Question

I would like your help on solving these questions. Thank you!

1. As an adult who never developed chickenpox infection as a child, you elect to receive the protective vaccine against this pathogen at the age of 35. This vaccine will stimulate:

A. a primary immune response

B. passive immunity

C. a secondary immune response

D. nonspecific immunity

2. Class I MHC genes code for

A. self receptors recognized by T-helper lymphocytes

B. self receptors recognized by T - cytotoxic lymphocytes

C. receptors located primarily on macrophage

D. receptors located primarily on B cells

3. When one has the flu the physician may prescribe a medication that includes interferon that:

A. Kills the viruses by causing perforation of their membrane

B. prevent the spreading of the virus by inhibiting the infection of other cells by the virus

C. treats the fever and the shivering

D. includes vitamins complex that help with tissue repair caused by the viral infection

4. One of the reactions of the body to the Ebola virus is increased permeability of the endothelium in blood vessel. This increased permeability is part of normal immune response. Which of the following is this immune response:

A. specific defense by antibodies

B. nonspecific defense- fever

C. nonspecific defense- inflammation

D. specific defense T helper cells

Answer 1

1. D. non-specific immunity

2. B. self receptors recognized by T - cytotoxic lymphocytes

3. C. treats the fever and the shivering

4. C. nonspecific defense- inflammation