Prostate cancer:
A) is characterized by a softening of the prostate that can be felt during a digital rectal exam.
B) is best identified rectally when the patient has a full bladder.
C) often metastasizes to the testes.
D) is conclusively identified by a positive test of the external iliac lymph nodes.
E) is associated with bladder cancer.
Ans: B
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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
When a small amount of HCl or NaOH is added to a solution of Na2HPO4, the pH of the solution barely changes. Based on these observations, all of the following are true concerning the compound Na2HPO4 except
A) Na2HPO4 is able to accept extra hydrogen ions from the HCl. B) Na2HPO4 is able to donate hydrogen ions to the OH- from NaOH. C) Na2HPO4 adsorbs excess H+ and OH- directly onto the surface of its crystalline structure. D) Na2HPO4 is a salt formed from reacting a strong base with a weak acid. E) Na2HPO4 acts as a buffer.
During the absorptive state,
A) the liver forms glycogen. B) adipocytes release fatty acids to the circulation. C) skeletal muscle breaks down glycogen. D) insulin levels are low. E) skeletal muscle fibers release glucose.
Endogenous ________ raises the set point of the hypothalamic thermostat during fever
Fill in the blank(s) with correct word