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Which statement is true regarding bacteremia

106 Which statement is true regarding bacteremia 28 A It

  1. Bacteremia is often caused by gram-negative bacteria and usually occurs with a failure of the body's defense mechanisms. 107. Which statement regarding viruses is true? A Viruses are less common than bacterial infections. B Viruses actively produce exotoxins. C Viruses bypass many defense mechanisms by developing intracellularly
  2. Which statement is true regarding bacteremia? a. It occurs with a normal defense system of the body. b. Gram-positive organisms typically cause bacteremia. c. Endotoxins often cause symptoms such as vasodilation. d. Symptoms include increased blood pressure
  3. Which statement is true regarding bacteremia? - Endotoxins often cause symptoms such as vasodilation. Endotoxins are often produced by bacteria that grow in the blood. Common symptoms include vasodilation, hypotension (reduced blood pressure), and decreased oxygen delivery and can produce cardiovascular shock
  4. Which of the following statements is true regarding bacterial cell walls? A. Gram-positive cell walls have a thin layer of peptidoglycan surrounded by an outer membrane B. Gram-positive cell walls have a thin layer of peptidoglycan with lipoteichoic and teichoic acids imbedded
  5. o acid in the protein that does not affect the function of that protein

Ch 10 Infection Flashcards Quizle

You mix two bacterial stains in a tube of glucose-salts agar. One strain is His−, Val−, while the other strain is Trp−, Leu−. You previously showed that neither strain grows on glucose-salts agar. After incubating the tube, you plate a sample onto a new glucose-salts agar plate. Several colonies grow Which of the following statements is true regarding bacterial endospores? A) Endospores are vulnerable to heat. B) Endospores survive in nutrient limited conditions. C) Endospores are short-lived. D) Endospores form when nutrients are abundant

The most accurate answer is A. Bacterial cells are generally very small, almost 10 times smaller than most animal and plant cells. Most bacterial cells measure about 0.2 to 10 microns or micrometers which in inches is 0.0000079 to 0.00039 Which statement is true regarding blood typing? Blood type O- is the universal donor. An Rh+ mother pregnant with a child who is Rh+ poses a risk for blood incompatibility during this pregnancy. Type AB blood will have both Anti-A and Anti-B antibodies found within its plasma 1. Which statement is FALSE regarding bacterial and archaeal cells? Select one: A. Archaeal and bacterial plasma membranes consist of a thin bilayer of lipid molecules penetrated by proteins. B. Bacteria and archaea have group specific specializations in their cell envelope. C. Archaea can have a single- or double-layered membrane w hich of the following statements is not true regarding bacteriophage lambda? A. It is a temperate phage B. Integration within the host chromosome is random (not site-specific) C. Excision may be imprecise D. Repressor protein prevents entry to the lytic cycle and confers immunity to superinfection E

2 Which statement is true regarding the immune response in

  1. Which of the following statements is true regarding the Mycobacterium avium complex (MAC)? A) MAC is the most common cause of mycobacterial infections in the United States B) Well-established treatments are abundant and effective C) Pulmonary MAC is a common opportunistic infection of AIDS patients D) All of the abov
  2. None of the given statement is true regarding bacteria. 1. Statement: Bacteria can infect the virus. This is false because, bacteria cannot infect virus, but virus infecting bacteria called Bacteriophages. 2. Statement: Bacteria can grow at any temperature between 5- 60 degree Celsius
  3. All of the following statements about bacterial cell division are true EXCEPT: a. all bacteria double their numbers every 1 hour . b. bacterial generation times are influenced by environmental conditions. c. the two bacterial cells following division are genetically identical, they are clones. d. all are true
  4. Plasmids are clones of bacterial chromosomes. Plasmids are extrachromosomal genetic material that confer certain additional properties to the bacterial cell in which they are present, like drug resistance, fertility factor, production of toxins etc. These are not required for the regular metabolic processes of the bacterial cell
  5. Print. Bacterial Transformation: Definition, Process & Applications. Worksheet. 1. Biotech companies have exploited transformation in order to _____. insert and express genes in competent bacteria.
  6. Which statement is true regarding immunoglobulin A IgA antibodies The J chain from NURS 5301 at Texas State Universit
  7. g they are the only cause of green ocean water they are the primary photosynthetic plants in the ocea

Chapter 3 Flashcards Quizle

  1. Regarding turbidity, which of the following statements is true? Group of answer choices Decreased bacterial concentration results in a turbid specimen due to increased light transmission Increased bacterial concentration results in a turbid specimen due to decreased light transmission
  2. ation it is noted that the flexion of the patient's neck causes flexion of the hips and knees. This finding is known as a positive__________ sign: Rationale: Kernig's sign is positive if pain occurs on flexion of the.
  3. Which of the following statements is true regarding the flu? Influenza is caused by a bacterial infection. Treatment must start within 36 48 hours of the onset of symptoms to be effective. Antibiotics are useful in treating the flu. The common cold is a more severe version of the flu

Microbiology Chapter 8 HW Flashcards Quizle

Which of the following statement (s) regarding the termination of DNA replication of a bacterial chromosome is (are) true? Definition Termination is mediated by the binding of Tus protein to ter sites in termination region and replication begins at oriC and its bidirectional termination occurs when both replication forks meet at termination. annuv7735 110 5 mins ago 0 Comments. Which of the following statements is true regarding endocarditis? A. It never occurs on normal valves. B. Prosthetic heart valves do not develop endocarditis because organisms will not grow on plastics or metal. C. Septic emboli from them may result in infarcts and abscesses in the kidney, spleen, and brain 0 votes. 201 views. asked Sep 25, 2017 in Released Q17 by Dr.kaur (83,010 points) Which statement is true regarding amalgam? A.A thin layer can be left to seal the. cavosurface margins. B.It bonds on its own to tooth structure. C.It wears at a rate similar to that of tooth. structure

A Bacteria can obtain new genetic information through horizontal gene transfer. 1 Which of the following statements regarding fungi is FALSE. These antibodies bind to B-cell receptors and block the sites that would allow them to recognize Rh-positive blood. C Methanogens and halophiles are archaea Question 1. Which of the following statements is untrue? a) A bacterial cell is prokaryotic whereas an animal cell is eukaryotic. b) A bacterial cell has a cell wall whereas an animal cell does not. c) Bacterial and animal cells both have a well-defined nucleus. d) Bacteria may contain enzymes that are not present in animal cells Which of the following statements regarding peptidoglycan and bacterial cells is NOT true? The outermost layer of the gram-negative bacterial cell wall contains the endotoxin lipopolysaccharide (LPS). kne The peptidoglycan cell wall is the outermost layer of gram-negative bacteria. . The peptidoglygan cell wall is thicker in gram-positive bacteria

D. Neutrophils enter after lymphocytes and macrophages. 14. Which of the following is TRUE regarding the difference between neutrophils and macrophages? A. Neutrophils arrive at the site of inflammation after macrophages. B. Macrophages survive and divide at the site of inflammation and neutrophils do not. C 2) Each of the following statements concerning the gram-positive cell wall is true EXCEPT. A) it maintains the shape of the cell. B) it is sensitive to lysozyme. C) it protects the cell in a hypertonic environment. D) it contains teichoic acids. E) it is sensitive to penicillin

Quizlet first 50 questions chapters 6-9 Flashcards Quizle

Which of the following is true regarding the mechanism of action of the medications listed? A . Dapsone is bacteriostatic because of its inhibitory effects on dihydrofolate reductase B . Dapsone is bacteriostatic because of its inhibitory effects on myeloperoxidase C . Clofazimine is bactericidal by directly inhibiting bacterial DNA polymerase D Which statement is true about the effect this can have on viral DNA variation? a. During bacterial replication, the virus can be replicated along with the bacterial DNA, increasing variation Which statement is true about preventions or treatments? A. Influenza, or flu, is a viral infection that can be prevented with good hand hygiene and vaccination. B. Radioactive iodine is commonly used to treat pneumonia. C. The common cold is a nontreatable bacterial infection. D. Radioactive iodine is commonly used to treat influenza Taq polymerase is a thermostable DNA polymerase named after the thermophilic bacterium Thermus aquaticus from which it was originally isolated by Chien et al. in 1976. Its name is often abbreviated to Taq Pol or simply Taq. It is frequently used in the polymerase chain reaction (PCR), a method for greatly amplifying the quantity of short. Which of the following statements about bacterial flagella is true? a. Bacteria can only rotate flagella clockwise. b. Bacteria can only rotate flagella counterclockwise. c. Bacteria can rotate 360 degrees. d. Bacteria work by undulating

Micro Chapter 3 Flashcards by Joshua Margolis Brainscap

The most accurate answer is A. Bacterial cells are generally very small, almost 10 times smaller than most animal and plant cells. Most bacterial cells measure about 0.2 to 10 microns or micrometers which in inches is 0.0000079 to 0.00039. One of the reasons that bacterial cells are so small is that they require a large surface area to volume. Which statement is TRUE regarding contagious infections? A. Bacterial infections are common and are best treated with antiviral medications. B. Viral infections are highly variable and need to be treated with antibiotics that are specific for the particular virus. C. Treatment for fungal infections varies depending on their location and severity Which statement is true about preventions or treatments? A. The common cold is a nontreatable bacterial infection. B. Radioactive iodine is commonly used to treat pneumonia. C. Radioactive iodine is commonly used to treat influenza. D. Influenza, or flu, is a viral infection that can be prevented with good hand hygiene and vaccination Which of the following statements about bacterial genome is NOT true? a. All bacteria contain a single circular double stranded DNA as their genome. b. Some bacteria may have linear chromosomes instead of circular one. c. In addition to chromosome, many bacteria possess small extrachromosomal DNA called plasmid. d A protease cleaves an antibody into three fragments. Two of these fragments are identical and are composed of a light polypeptide chain and a heavy polypeptide chain. The third fragment is composed solely of heavy chains. Which of the following statements regarding the identical fragments is true

Which of the following statements is true regarding

A plasmid is small, circular, dsDNA molecule which is distinct from a cell's chromosomal DNA and are not the part of chromosome. Plasmids are naturally found in bacterial cells and also in some eukaryotes but not in virus. Plasmids carry the genes that confers genetic advantages to the bacterium, such as antibiotic resistance, the genes for. Answer. The bacterial genome is composed of a single chromosome in which DNA is folded. This chromosome is located in a region of the bacterial cytoplasm called the nucleoid. Numerous chromosomes are found in eukaryotes where replication in these chromosomes takes place simultaneously. So, the correct option is 'There are numerous different. Which statement is TRUE regarding conjugation? It can occur between different species of bacteria. Information recall: access the knowledge you've gained regarding bacterial conjugatio Which of the following statements is true regarding women with bulimia nervosa? a. They have flexible attitudes. b. They never dieted prior to the onset of bulimia. c. They have black and white thinking. d. They were of normal weight prior to developing bulimia. Question 2 Compared to non-Hispanic White women, Hispanic women are _____ likely to. Reason Explained. a. It substitutes MAC addresses for IP addresses.b. It can be stateful or stateless.c. It can be found only on core routers.d. It removes private addresses when the packet leaves the network. is correct for Which statement about network address translation (NAT) is true? Answerout

AP2 Quiz 1.docx - QUESTION 1 1 Which type of white blood ..

Solved: 1. Which Statement Is FALSE Regarding Bacterial An ..

Bacterial Biology: Help and Review Chapter Exam Instructions. Choose your answers to the questions and click 'Next' to see the next set of questions Bacteria Questions and Answers. Get help with your Bacteria homework. Access the answers to hundreds of Bacteria questions that are explained in a way that's easy for you to understand Which statement is true about protein synthesis? Translation produces RNA; transcription produces the protein. DNA is translated to produce tRNA, which assembles proteins

W Hich of The Following Statements Is Not True Regarding

Which is a possible cause of varicose veins? Definition. a. gravitational forces of blood. b. long periods of standing. c. trauma to the saphenous veins. e. a,b,and c are correct. Term. A 76-year-old male came to the emergency room after experiencing chest pain while shoveling snow Which of the following statements regarding meningitis is TRUE? A) Bacterial meningitis is more serious and can be fatal. B) Viral meningitis occurs more often during the winter months. C) The incidence of childhood meningitis has increased recently. D) Viral meningitis is spread through contact with nasal and oral secretions All statements are true except it.<br> Conjugation is a process of transfer of genetic material that involve cell to cell connection, It was first reported in E. coli by Tatum and Lederberg in 1946. Transduction is a process of transfer of DNA by bacteriophage virus in bacteria

Micro Chapter 39 Flashcards by Joshua Margolis Brainscap

Introduction Bacteremia due to chemotherapy-associated febrile neutropenia (FN) is one of the most deadly oncologic emergencies, with mortality rates of up to 50%.[1, 2] Therefore, presumptive broad- spectrum antibiotic treatment is recommended for all FN patients within 1 hour of onset of symp- toms, and the vast majority are admitted to the. Identify the incorrect statement regarding true bacteria? (1) As a group, they exhibit maximum metabolic diversity (2) Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur. (3) Heterotrophic bacteria are the most abundant in nature Although we cannot rule out that some infections may have been overestimated, the severity of clinical presentations in our cohort suggests that these cases resulted from true bloodstream infections. Of note, Clostridioides bacteremia can present either as a single microbial bacteremia or as a polymicrobial bacteremia (2,28,30,31)

which of the following statements given below is true

12. Which of the following statements regarding immunisation in South Africa is TRUE? (a) DTP should be given at birth, 10 weeks, 14 weeks and 18 months (b) Rotavirus should be given to infants after 24 weeks of age (c) Measles should be given at 9 months and 18 months (d) HPV vaccine should be administered after becoming sexually active 13 e) NONE of the above statements is TRUE. 10. Which statement concerning telomeres and telomerases is TRUE? a) Telomeres are repetitive sequences that occur throughout the chromosome. b) Telomere sequences tend to be GC-rich. c) Telomerases use a DNA template to add repetitive sequences to 3' ends of DNA

BIO 208 Microbiolog

Regarding Pasteur's experiments with the S-neck flask, which of the following statements is true? A) There was air involved. B) There was a food source involved. C) Any possibility of contamination was removed. D) All microorganisms were killed before beginning. E) All of the above Which statement is true about the common cold? A. It occurs more commonly in adults than children. B. It's not contagious. C. It typically starts with the symptom of a scratchy throat. D. It's a bacterial disease 21. Of the following, the true statement (A) eutrophication results from the direct discharge of toxic pollutants into water, (B) treatment of a lake with phosphates is a process used to deter eutrophication, (C) alkalinity is the most frequent limiting nutrient in eutrophication, (D

Which of the following statements regarding mitosis is true? A. Only diploid cells can divide mitotically. B. Crossing over can occur during prophase of mitosis. C. Cells produced by mitosis are almost always genetically identical. D. Each mitotically produced cell has one-fourth the mass of DNA present in the parent cell. E 7. All of the following statements regarding prostatic calculi are true EXCEPT: a. they usually cause no symptoms or harm b. infected calculi cannot be sterilized by medical therapy c. intra-prostatic reflux of urine probably plays a role in their formation d. they are seen in 50% of elderly men on transrectal ultrasound (TRUS Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas, (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen, (iii) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose 27) Which of the following statements are TRUE? 1-Electron carriers are located at ribosomes. 2-ATP is a common intermediate between catabolic and anabolic pathways. 3-ATP is used for the long-term storage of energy and so is often found in storage granules. 4-Anaerobic organisms are capable of generating ATP via respiration

Which of the following statements is not true regarding

Which of the following statements regarding humoral immunity is false? It is provided by B lymphocytes. It involves the secretion of antibodies. It's produced by cells processed in the bone marrow. It's provided by 65% to 85% of the lymphocytes in the blood Question. Frederick Griffith documented bacterial transformation. Which statement is true concerning his experiments? DNA that was not contained within a live cell caused the death of the host organism. Heat treatment of the Streptococcus strains destroyed the DNA molecules. DNA from dead Streptococcus cells entered live cells and altered the. A. A bacterial cell picks up two fragments of DNA from the environment, each with a different gene. B. double crossover occurs between prophage DNA and the bacterial chromosome. C. Two genes are closely linked enough so that they can be packaged into a phage head and injected into a cell by a single phage. D a. F- cells do not contain the F factor. b. Bacterial conjugation results in an exchange of genes between two bacterial cells. c. Genes on the F factor code for sex pili. d. Genes can be transferred from the donor to the recipient. e. Hfr cells can produce sex pili. In generalized transduction, a bacterium obtains DNA from a virus as a result. Correct answers: 3 question: 2. Which statement is true regarding the Yellowstone National Park? A There are diverse habitats, from open meadows of wildflowers to thick pine forests. B The types of undergrowth in the forests are uniform and do not change. C Each spring, fires will destroy the forests and reduce them to white ash. D Forestry officials clear the forests regularly to provide new.

Antiviral drugs currently on the market, including acyclovir and pencyclovir are active against enteroviruses. A. True B. False Correct Answer: B 137. All of the following are true statements regarding viruses EXCEPT: A. They contain both RNA and DNA B. The nucleic acid may be single or double stranded C. They are obligate intracellular. Select the statement that is true. (1 point) Sexual reproduction produces more offspring than asexual reproduction. Asexual reproduction is a simpler process than sexual reproduction. Sexual reproduction requires a single parent. Asexual reproduction occurs when two gametes fuse. Plants can reproduce sexually and asexually

Quiz & Worksheet - Characteristics of Bacterial

Which statement is true regarding electric pulp testing? A.It does not confirm health of the pulp. B.Vascularity can be determined. C.True vitality can be determined. D.Thicker enamel will lead to a quicker response 4. Which of the following statements regarding viral (aseptic) meningitis is TRUE? Viral meningitis is often caused by the pathogens meningococcus (Neisseria meningitidis) and pneumococcus (Streptococcus pneumoniae). Viral meningitis is limited to the meninges and the CSF will not have an identifiable pathogen Which statement regarding plasmids is false? a. They can be easily extracted from bacteria. b. They can be reinserted into bacterial and plant cells. c. They can replicate inside the recipient cell. d. They can be easily introduced into animal cells 31) Which of the following statements regarding the Entner-Doudoroff pathway is TRUE? A) It involves glycolysis. B) It involves the pentose phosphate pathway. C) NADH is generated. D) ATP is generated. E) NADH and ATP are generated. D. 32) Assume you are working for a chemical company and are responsible for growing a yeast culture that. Which of the following statements regarding. Informed Consent is FALSE? It is. A.always necessary. B.given only by the person receiving the. treatment. C.able to be withdrawn. D.procedure specific. ndeb

4. The emerging disease known as anaplasmosis is transmitted by. ticks. 5. Which of the following is the correct pairing of rickettsial pathogen and vector? R prowazeki; louse. 6. Transovarian transmission is a process in which. an infected female vector transmits the pathogen to the eggs forming in its ovaries Which is TRUE regarding gene sequencing? asked Jan 31, 2020 in Health Professions by aarongewecke. A) It helps scientists screen for good ideas or prescription drug leads. B) It is the treatment of disease using normal or altered genes to replace or enhance nonfunctional or missing genes 25) Regarding a febrile oncology patient, which is true. a. Increased risk of bacterial infection if neutrophils >500mm3. b. Increased risk of fungal infection with broad spectrum antibiotic administration. c. Line sepsis is most common source. d. e. 26) Regarding GI bleed, which is true. a. 60% associated with PUD. b Which statement regarding linezolis (Zyvox) is incorrect? It should be stored in clear glass containers. What was the first true class of antibiotics? sulfonamides: What term is used to describe antibiotic treatment that is begun before the results of the organism culture have been returned? empirica Staff Nurse Exam MCQ on AntiBiotics Objective Questions 1. Isoniazid is a primary antitubercular agent that (a) Requires pyridoxine supplementation (b) May discolor the tears, saliva, urine or feces orange­red (c) Causes ocular complications that are reversible if the drug is discontinued (d) May be ototoxic and nephrotoxic (e) Should never be used due to hepatotoxic potential 2

Which of the following statements regarding summation in skeletal muscle fibers is true? Incomplete tetanus allows complete relaxation between stimulation of successive twitches Complete tetanus does not have any relaxation between stimulation of successive twitches All of these are correct The development of force in a muscle twitch is all or non 1. Which of the following statements regarding clostridial wound infections are true? A Clostridia are Gram-positive aerobic spore-bearing cocci. B Thin, brown and sweet-smelling exudate is seen in gas gangrene. C Necrotic and foreign material in wounds increase risk. D The spores are widely spread in soil and manure A hematocrit is. the percentage of red blood cells in whole blood. Match the following: involved in certain immune responses. globulins. Match the following: develop into mature red blood cells. reticulocytes. Match the following: most abundant plasma protein. albumin. Match the following: blood after formed elements are removed

105) Which of the following statements is true regarding the properties of benzylpenicillin? Feedback: Penicillins are bactericidal agents and not bacteriostatic agents since they actively kill bacterial cells. Benzylpenicillin has good activity against certain types of bacterial species, but not all 41. DNA is composed of repeating units of sugars, phosphates, and nucleic acids. This is an example of a. polymer. 42. A polymer composed of a simple sugar is an ____. Starch. 43. Anna is conducting an experiment using pH indicator that is red at low pH, green at neutral pH and purple at high pH