Various sounds are heard when assessing a blood pressure. What does the second sound heard through the stethoscope represent?
Systolic pressure
Pulse pressure
Auscultatory gap
Diastolic pressure
The Correct Answer is D
A. Systolic pressure:
The first sound heard during blood pressure measurement corresponds to the systolic pressure, the pressure in the arteries when the heart is contracting.
B. Pulse pressure:
Pulse pressure is the numerical difference between the systolic and diastolic pressures but is not specifically represented by a sound in blood pressure measurement.
C. Auscultatory gap:
An auscultatory gap is a temporary disappearance of sounds during blood pressure measurement, typically occurring between the systolic and diastolic pressures. It is not directly associated with the second sound.
D. Diastolic pressure:
The second sound heard corresponds to the closure of the aortic valve, marking the beginning of diastole. This sound represents the diastolic pressure, which is the pressure in the arteries when the heart is at rest.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Protect the muscles of the lower extremities from atrophy:
This statement is not the primary purpose of sequential compression devices (SCDs) and compression stockings. While these devices can help maintain muscle tone by promoting blood circulation, their primary function is to prevent blood pooling and reduce the risk of deep vein thrombosis (DVT).
B. Keep the blood from pooling in lower extremities to avoid clots:
This is the correct purpose of sequential compression devices and compression stockings. They are designed to promote venous return and prevent blood from pooling in the lower extremities, thereby reducing the risk of blood clots, especially in individuals at risk for deep vein thrombosis (DVT).
C. Keep the patient from getting sores on the skin:
Preventing sores on the skin is not the primary purpose of these devices. While improved circulation may contribute to skin health, preventing skin sores is not the primary therapeutic goal of SCDs and compression stockings.
D. Keep the patient’s joints in working order:
Maintaining joint function is not the primary purpose of sequential compression devices and compression stockings. These devices primarily focus on promoting venous circulation and preventing complications related to blood pooling and clot formation.
Correct Answer is C
Explanation
A. Comatose:
A comatose state is characterized by an unarousable and unresponsive condition. Individuals in a coma do not respond to external stimuli, including shaking or calling their name.
B. Stuporous:
Stupor is a state of near-unconsciousness or insensibility. A stuporous patient may require more intense stimulation to achieve a response than someone who is lethargic.
C. Lethargic:
Lethargy is a state of drowsiness or fatigue. Lethargic patients may appear drowsy but can be awakened by gentle stimulation, such as shaking and calling their name.
D. Awake and Alert:
An awake and alert state implies full responsiveness, awareness, and orientation to the environment. The patient in the scenario does not fit this description.
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