Which diagnostic exam determines whether a person has developed an immune response to the bacterium that causes tuberculosis?
A. Arterial blood gas
B. Mantoux test
C. Pulse oximetry
D. Peak flow meter
Answer: B
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The most commonly prescribed oral contraceptives use small amounts of estrogen, or only
A) synthetic androgens. B) gonadotropins. C) progesterone. D) FSH and LH. E) LH.
The plateau of the cardiac action potential results from the opening of voltage-gated slow ____ channels in the plasma membrane of the cardiac cell
a. sodium b. potassium c. calcium d. chloride e. glucose
All of the following are normal constituents of urine EXCEPT ________
A) uric acid B) urea C) creatinine D) blood
The inferior mesenteric artery supplies blood to the
A. sigmoid colon. B. transverse colon, descending colon, sigmoid colon, and rectum. C. sigmoid colon and ascending colon. D. transverse colon and descending colon. E. transverse colon.