Which vessel carries blood away from the right ventricle?
A. Brachiocephalic artery
B. Superior vena cava
C. Pulmonary vein
D. Aorta
E. Pulmonary trunk
Answer: E
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An intervertebral disk generally will rupture in a posterolateral direction.
Answer the following statement true (T) or false (F)
Of the hormones necessary for menstruation, which one comes from the ovary?
A. Follicle-stimulating hormone B. Estrogen C. Luteinizing hormone D. Testosterone
Which T cells contain CD8 markers? CD4 markers?
A) CD8 markers are found on cytotoxic T cells, memory T cells, and regulatory T cells; CD4 markers are found on all helper T cells. B) CD8 markers are found on all helper T cells; CD4 markers are found on cytotoxic T cells, memory T cells, and regulatory T cells. C) CD8 markers are found on cytotoxic T cells and memory T cells; CD4 markers are found on regulatory T cells and helper T cells. D) CD8 markers are found on regulatory T cells and helper T cells; CD4 markers are found on cytotoxic T cells and memory cells. E) CD8 markers are found on regulatory T cells; CD4 markers are found on cytotoxic T cells, helper T cells, and memory T cells.
Lifting a 25-lb barbell by flexing your forearm requires ________
A) the biceps brachii to contract concentrically and the triceps brachii to contract eccentrically B) eccentric contraction of both the biceps brachii and triceps brachii C) the biceps brachii to contract eccentrically and the triceps brachii to contract concentrically D) Isometric contraction of the biceps brachii and concentric contraction of the triceps brachii