Which of the following is NOT true of a category B stage of an HIV infection?
A) Helper T count is less than 200 per mm3
B) Severe fatigue
C) Persistent cough,fever,diarrhea
D) Swollen lymph glands for over 3 months
Correct Answer:
Verified
Q72: HIV-1 is transmitted by
A)sexual contact.
B)sharing needles.
C)blood.
D)All apply.
Q73: Antibodies bind to
A)foreign substances.
B)antigens.
C)bacteria.
D)All apply.
Q74: Which type of antibody is found in
Q75: Which of the following is NOT true
Q76: An antigen-presenting cell (APC)is a
A)red blood cell.
B)macrophage.
C)helper
Q78: Which of the following is NOT true
Q79: T cells
A)are activated by an antigen-presenting cell.
B)may
Q80: Which of the following is NOT true
Q81: A vaccine contains
A)antigens.
B)antibodies.
C)antihistamines.
D)lymphocytes.
Q82: Which of the following is NOT true
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