Which is a direct effect of the Frank-Starling mechanism?
A. Decreased venous return
B. Increased SNS input
C. Increased stroke volume
D. Increased total peripheral resistance
Answer: C. Increased stroke volume
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What unit of bone consists of a central canal (containing blood vessels, nerves, and lymph vessels) surrounded by concentric rings of calcified matrix?
A. Canaliculus B. Lamella C. Osteon D. Osteocyte E. Trabeculum
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
Gonadotropes secrete two hormones that act on the gonads: __________ and luteinizing hormone
Fill in the blank(s) with correct word
What type of cell is common in both white pulp and germinal centers of lymph nodes?
A) Lymphocytes B) Phagocytes C) Erythrocytes D) Adipocytes