If someone's blood pressure were listed as 110/65 mmHg, then their mean arterial pressure (MAP) would be
A. 70 mmHg.
B. 80 mmHg.
C. 90 mmHg.
D. 100 mmHg.
E. 110 mmHg.
B
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The most common leukocytes in the blood are
a. neutrophils. b. eosinophils. c. basophils. d. lymphocytes. e. monocytes.
The MHC (major histocompatibility complex) class molecules
A. are found in the nucleus of cells. B. allow the immune system to respond to antigens inside cells. C. are only found on B cells. D. are lipoproteins on cell surfaces. E. do not attach to plasma membranes.
Why are premenopausal women at lesser risk of atherosclerosis than men?
A) Premenopausal women are typically smaller than men reducing the strain on their hearts. B) Premenopausal women are typically less active than men reducing their blood pressures. C) Premenopausal women have higher estrogen levels that decrease plasma cholesterol. D) Premenopausal women eat a better diet than men decreases their plasma cholesterol. E) Premenopausal women are typically more active and have better diets than men reducing their plasma cholesterol.
In the presence of aldosterone, which nephron region reabsorbs the greatest fraction of the filtered Na+?
A. Distal convoluted tubule B. Cortical collecting duct C. Proximal tubule D. Descending limb of the loop of Henle E. Macula densa