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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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
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
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.
Endemic goiter results from a lack of ______ in the diet.
A. vitamin C B. vitamin D C. calcium D. iodine