Which compounds (1) form the inherited genetic material inside each cell and (2) relay instructions from the genes to guide protein synthesis?
a. DNA and RNA
b. DNA and ATP
c. RNA and ATP
d. ADP and ATP
Ans: a
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Which is the correct needle for an IM injection?
1. 18 G, 1-inch 2. 20 G, 1/2-inch 3. 25 G, 2-inch 4. 21 G, 1 1/2-inch
A 30-year-old man is seen with a chief complaint of loss of libido. Which of the following laboratory tests would help establish a diagnosis?
a. Testosterone level b. Prostate-specific antigen (PSA) c. Nocturnal penile tumescence and rigidity d. Prolactin level
Shock is:
a. When the heart and breathing stop without warning b. The sudden loss of consciousness from an inadequate blood supply to the brain c. The excessive loss of blood in a short time d. A condition that results when organs and tissues do not get enough blood.
Metabolic acidosis can occur as a side effect of taking acetazolamide because:
A. bicarbonate ions are wasted when sodium is excreted into the urine, leaving behind acidic metabolic waste products that need to be neutralized. B. bicarbonate ions are wasted when sodium is reabsorbed into the tubule as it attracts hydrogen ions. C. chloride ions are wasted when sodium is reabsorbed into the tubule as it attracts hydrogen ions. D. chloride ions are wasted when sodium is excreted into the urine, leaving behind acidic metabolic waste products that need to be neutralized.