22. Which of the following is NOT a characteristic of cell-mediated immunity?a. The cells originate in bone marrowb. Cells are processed in the thymus glandc. The activation of cell-mediated immunity can besuppressedd. They are antigen presenting cellse. All of the above are characteristics of cell-mediatedimmunity23. All of the following could be possibly target sites forantimicrobials to limit the possibility of side effects excepta. peptidoglycanb. parasitic glycolytic enzymesc. ergosterolC.d. RNA polymeraseDNAgyrasee.24. Lysogeny can result in all of the following EXCEPTa. persistent infectionsb. a bacteria expressing new genesc. transduction of genesC.d. the turning off of the host cell's transcriptional andtranslational machinerye. the definite destruction of an infected cell25. Due to your patient's opsonization of a bacterial cellwith C₂B, which of following did NOT occura. interference of the patient's secondary viral infectionb. bacterial cell lysisc. opsonizationd. increased phagocytic activitye. inflammation

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Answered: 22. Which of the following is NOT a…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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1. Describe how antibodies can be used to determine if a person has immunity against a disease. 2. What are monoclonal antibodies and how are they created?
2. Pathogens have evolved a number of ways to "thwart" adaptive immunity. Describe two mechanisms used by pathogens.
4. Mr. Pike is bitten by a black widow and receives anti-venom. The type of immunity he develops is called? a. Herd acquired passive immunity b. Artificially acquired passive immunity c. Naturally acquired active immunity d. Naturally acquired passive immunity e. Artificially acquired active immunity 5. After touching her cat's bed, Jane Doe contracts toxoplasmosis. This is an example of: a. airborne transmission b. vehicle transmission c. direct contact transmission d. indirect contact transmission e. herd acquired active immunity 6. By destroying antibodies with enzymes, a microbe could a. prevent chemotaxis b. prevent phagocytosis c. prevent complement (alternative) d. prevent opsonization e. both b & d J AA outlook.office.com || 3/12 ¿
3. Discuss the effect of the following physiological changes on the effectiveness of the body’s immune response: a. Taking antacids on a regular basis. b. Changes caused by smoking in the cilia in the respiratory epithelium c. Cut or abrasion in the skin. 2. Explain how the body tries to prevent pathogenic entry into the body 2.3. Evaluate factors that affect the efficiency of the body’s first line of defence
1. Explain the difference between Innate and Adaptive Immunity?
7. _ (blank) _ produce antibodies that are released into the bloodstream. Select one: a. B cells b. T cells c. Plasma cells d. Memory cells e. Mast cells 8. What is produced by white blood cells and act to stimulate other white blood cells? Select one: a. Immunoglobulins b. Histamines c. Interferons d. Interleukins e. Complements 9. An important step in the body's second line of defense is to identify the pathogen's _ (blank) _. Select one: a. Antibodies b. Histamines c. Antigens d. Cytokines e. Interferons
21. Which of the following can lead to cancer development? a. viruses b. mutation in cyclin production c. differentiated stem cells d. AIDS e. all of the above except c 22. Your patient is born without B cells. He cannot a. fight off intracellular infections b. have a Type IV hypersensitivity reaction c. fight off extracellular infections d. destroy microorganisms through alternate complement e. c & d 23. Extensive vomiting can lead to alkalosis due to -a. continued excretion of HCO3 b. accumulation of potassium c. emphysema d. a high protein diet e. increased renin production 24. Which of the following could lead to renal osteodystrophy? a. low levels of parathyroid hormone b. high levels of blood calcium c. injections of calcitrol d. increased physical activity e. a high protein diet 25. Which of the following can cause diarrhon?
19. The following event does not occur in the germinal centers of activated B cells? A. somatic hypermutation. B. formation of memory B cells C. RNA recombination D. plasma cell formation 20. Features of T-independent immune response include? A. occurs in people that lack a functional thymus C. give rise to memory cells. 21 Thafall E. class switching B. production of IgG and IgA D. involve immunological synapse

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