Which of the following statements is true regarding signs and symptoms of disease?
A. Symptoms cannot be measured.
B. Nausea is considered a sign.
C. Symptoms are objective signals of disease.
D. Signs cannot be measured.
Answer: A
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Which statement is incorrect?
a. Acids can dissociate in solution to yield free hydrogen ions and anions. b. All substances that contain hydrogen are considered to be acids. c. A strong acid has a greater tendency to dissociate than a weak acid. d. The extent of dissociation for a given acid is a constant, K. e. Only free hydrogen ions contribute to the acidity of a solution.
The right and left renal arteries transport one-half of the total cardiac output directly to the kidneys
a. True b. False Indicate whether the statement is true or false
Endemic goiter results from a lack of ______ in the diet.
A. vitamin C B. vitamin D C. calcium D. iodine
Granular cells of the juxtaglomerular apparatus respond to decreased blood volume and increased sympathetic nerve activity by secreting ________.
A. angiotensinogen B. natriuretic hormone C. renin D. inulin