Nokea
If peripheral pulses can be palpated with each cardiac contraction, the pulses are said to be 'perfusing.'
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: True. Palpable peripheral pulses with each cardiac contraction indicate adequate perfusion to the extremities.
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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.
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.
Antipyretics are medications given for hypertension.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: False. Antipyretics are medications used to reduce fever, not hypertension.
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.
Which of the following assessments provide data regarding the quality of circulation to a patient's extremities?
- A. Oral temperature
- B. Strength of pedal dorsalis pulse
- C. Skin temperature of hands and feet
- D. Pulse rate
- E. Blood pressure
- F. Color of nailbeds
- G. Capillary refill time
Correct Answer: B,C,F,G
Rationale: Strength of pedal dorsalis pulse, skin temperature, nailbed color, and capillary refill time directly assess peripheral circulation by evaluating blood flow and tissue perfusion.