A type of Korotkoff sound that indicates the diastolic pressure in children and in some adults is
tapping.
knocking.
silence.
muffling
The Correct Answer is D
A. Tapping is the first Korotkoff sound and corresponds to the systolic pressure, not the diastolic pressure.
B. Knocking does not describe any Korotkoff sound associated with the blood pressure reading.
C. Silence is typically noted after the muffling sound and indicates the cessation of Korotkoff sounds, which can be used to assess diastolic pressure in adults, but it is not used in children.
D. The muffling sound occurs before the disappearance of Korotkoff sounds and is often used to mark the diastolic pressure in both children and some adults, making it the correct answer.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Temperature often decreases in cases of severe blood loss due to shock and hypothermia.
B. A decrease in pulse is unlikely in severe blood loss. The body compensates with an increased heart rate.
C. A decrease in blood pressure is expected in cases of significant blood loss, as the body struggles to maintain adequate circulation.
D. Respirations may increase in response to blood loss, not decrease, as the body attempts to increase oxygen intake.
Correct Answer is B
Explanation
A. Kussmaul's respirations are rapid, deep, and labored breaths often seen in metabolic acidosis, which does not match the pattern described.
B. Cheyne-Stokes respirations are characterized by a pattern of deep and fast breathing followed by periods of apnea. This pattern is seen in patients with severe conditions like heart failure or brain injury.
C. Biot's respirations are irregular, but the cycle does not have a distinct pattern of fast, slow, and apnea periods.
D. Hyperventilation refers to an increased rate of breathing but does not involve the cycles of deep, slow, and apneic phases characteristic of Cheyne-Stokes.
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