Nokea
Antipyretics are medications given for hypertension.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: False. Antipyretics are medications used to reduce fever, not hypertension.
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Which heart valve(s) close(s) to produce the S? sound?
- A. Bicuspid valve
- B. Pulmonary valve
- C. Aortic valve
- D. Tricuspid valve
Correct Answer: A,D
Rationale: The S1 sound, or 'lub,' is produced when the atrioventricular valves (bicuspid/mitral and tricuspid) close at the start of systole.
What is thermogenesis?
- A. Heat production in the body
- B. Heat loss through sweating
- C. Regulation of body temperature
- D. Cooling of the body
Correct Answer: A
Rationale: Thermogenesis is the process of heat production in the body, often through metabolic processes like shivering or brown fat activation, to maintain body temperature.
Based on the circadian rhythm, the body's temperature normally drops 1°F to 2°F in the late afternoon.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: False. Body temperature typically peaks in the late afternoon and drops at night, not specifically in the late afternoon.
When auscultated, the heart sounds should sound muffled and distant.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: False. Normal heart sounds (S1 and S2) should be clear and distinct, not muffled or distant, which may indicate pathology.
Describe the difference between cardiac output and stroke volume.
- A. Cardiac output: total blood pumped by heart per minute; Stroke volume: blood pumped per beat
- B. Cardiac output: blood pumped per beat; Stroke volume: total blood pumped per minute
- C. Cardiac output: heart rate; Stroke volume: blood pressure
- D. Cardiac output: blood pressure; Stroke volume: heart rate
Correct Answer: A
Rationale: Cardiac output is the total volume of blood the heart pumps per minute (heart rate ? stroke volume), while stroke volume is the amount of blood pumped per heartbeat.