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Bio 320 exam 2 Questions and Answers 100% Verified
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Which of the following types of hypersensitivity would be associated with a tissue transplant rejection from one patient (donor) to another (recipient)? a. Type I b. Type III c. Type IV d. Type II - c. Type IV Which of the following can be clinical manifestations of a type III hypersensitivit...

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  • August 16, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 320

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  • Bio 320

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Bio 320 exam 2
Which of the following types of hypersensitivity would be associated with a tissue transplant rejection
from one patient (donor) to another (recipient)?



a. Type I

b. Type III

c. Type IV

d. Type II - c. Type IV



Which of the following can be clinical manifestations of a type III hypersensitivity?

a. reactive arthritis

b. all of these are examples of clinical manifestations

c. deposition of medium complexes (antigen/antibody complexes)

d. vasculitis - b. all of these are examples of clinical manifestations



what are three causes of hypersensitivity diseases? - 1. autoimmunity

2.reactions against microbes

3. reactions against environmental antigens



What is hypersensitivity? - immune response, sensitization, inappropriate response



what is type 1 hypersensitivity - igE mediated



what is type 2 hypersensitivity - tissue mediated or specific

(antibody mediated)



what is type 3 hypersensitivity - immune complex mediated

,What is type 4 hypersensitivity? - T cell mediated



what types of hypersensitivity are b cell mediated? - type 1, 2, and 3



Which of the following is/are a common cause(s) of secondary autoimmune diseases? (check all that
apply)



a. inherited from parents

b. malnutrition

c. single gene defect

d. stress - b. malnutrition

d. stress



Which of the following are morphological alterations or clinical manifestations found in patients who
suffer from systemic lupus erythematosus (SLE)?

a. myasthenia gravis

b. Skin erythema ("butterfly" rash)

c. graves disease

d. type I hypersensitivity - b. Skin erythema ("butterfly" rash)



Which of the following types of hypersensitivity would be associated with a food allergy to peanuts?

a. Type II

b. Type IV

c. Type III

d. Type I - d. Type I



A 32-year-old man reports that he was eating peanut butter cookies and began to feel "itchy". He then
developed a rash over most of his body. The lesions disappeared within 3-4 hours. The patient is

, diagnosed with urticaria. The chemical mediator responsible for these lesions is derived from which of
the following cells?

a. Macrophages

b. Neutrophils

c. Mast cells

d. Killer Cells

e. Eosinophils - c. Mast cells



Helper T-Cells (T-lymphocytes of the "helper" variety) are important for a functional:

a. cell-mediated immunity

b. antibody-mediated immunity

c. wound-healing activity

d. both (a) and (b) above - d. both (a) and (b) above



Which of the following is characteristic of only antibody-mediated immunity?

a. an anamnestic response

b. release of lymphokines by cells

c. release of antibodies by cells

d. antigen activation, requiring macrophage and T-helper cells - c. release of antibodies by cells



Which of the following is an example of a primary immune deficiency disease?

a. HIV

b. Hepatitis

c. Malnutrition

d. Bruton disease - d. Bruton disease



Which of the following may result/cause T-cell loss?

1. A growing thymus in children up until puberty

2. HIV

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