Which of the following cells are destroyed by the HIV virus?
A. Plasma cells
B. B cells
C. Cytotoxic T cells
D. Helper T cells
E. Natural killer cells
D. Helper T cells
Anatomy & Physiology
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Osteoporosis is an example of which of the following?
A. Congenital disorder B. Infection C. Degenerative disorder D. Nerve disorder
Anatomy & Physiology
At normal room temperature, how much more blood flows through the skin than is needed for nutritive purposes?
a. 3 times more b. 5 times more c. 10-15 times more d. 20-30 times more e. 40-50 times more
Anatomy & Physiology
Muscles that act on the __________ cause movement at the hip, knee, and foot joints.
A. upper limb B. trunk C. lower limb
Anatomy & Physiology
Voluntary relaxation of the external anal sphincter that triggers defecation is controlled by the __________.
a) vagus nerve b) sympathetic NS c) ENS d) cerebral cortex
Anatomy & Physiology