Multiple Choice
Use the information below as background for the following questions.
Immunodeficiencies may be genetic in origin. Two examples of these are Bruton's agammaglobulinemia, an X-linked disorder, and DiGeorge syndrome, caused by a deletion from chromosome 22. Bruton's results in underdeveloped B cells, while DiGeorge syndrome results in a missing or seriously underdeveloped thymus.
-Some viruses can undergo latency, the ability to remain inactive for some period of time. Which of the following is an example?
A) influenza, a particular strain of which returns every 10-20 years
B) herpes simplex viruses (oral or genital) whose reproduction is triggered by physiological or emotional stress in the host
C) Kaposi's sarcoma, which causes a skin cancer in people with AIDS, but rarely in those not infected by HIV
D) the virus that causes a form of the common cold, which recurs in patients many times in their lives
E) myasthenia gravis, an autoimmune disease that blocks muscle contraction from time to time
Correct Answer:
Verified
Correct Answer:
Verified
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