Nokea
All of the following reduces intensity of first heart sound (S1) except
- A. Mechanical ventilation
- B. Calcific mitral stenosis
- C. Short PR interval
- D. LV dysfunction
Correct Answer: B
Rationale: Calcific mitral stenosis typically increases the intensity of the first heart sound (S1).
You may also like to solve these questions
A male client in skeletal traction tells the nurse that he is frustrated because he needs help repositioning himself in bed. Which intervention should the nurse implement?
- A. Provide an overhead trapeze to the bed for the client to use
- B. Assist the client with repositioning every hour to prevent discomfort.
- C. Encourage the client to use a bedpan instead of getting up to the bathroom.
- D. Offer additional pain medication to help the client relax.
Correct Answer: A
Rationale: An overhead trapeze allows the client to reposition independently, promoting autonomy and reducing frustration.
Isovolumic contraction phase of ventricular systole occurs during which of the following phases of central venous pressure, approximately
- A. From nadir of y descent to peak of a wave
- B. From peak of a wave to trough of x wave
- C. From trough of x wave to peak of c wave
- D. From peak of c wave to trough of x' descent
Correct Answer: C
Rationale: Isovolumic contraction occurs from the trough of the x wave to the peak of the c wave.
Injury to radial nerve involves:
- A. Abductor pollicis brevis is affected
- B. Abduction at the shoulder joint is impaired
- C. Sensory loss on the medial aspect of forearm is seen
- D. First dorsal interosseus is affected
Correct Answer: B
Rationale: Abduction at the shoulder joint is impaired
A grade II vibratory, mid-systolic murmur at the mid sternal border in a 4-year-old child that is louder when the child is supine is most likely which type of murmur?
- A. Pathologic murmur
- B. Pulmonary flow murmur
- C. Still's murmur
- D. Venous hum
Correct Answer: C
Rationale: A Still's murmur is characterized by a vibratory or musical low-grade sound, along the sternal border, which is louder when the child is supine or during inspiration.
One of the following is a sign of right-sided heart failure of the patient
- A. tachypnea
- B. orthopnea
- C. wheezing
- D. pulmonary edema
Correct Answer: B
Rationale: Right-sided heart failure typically presents with systemic signs like orthopnea and peripheral edema rather than pulmonary edema.