Nokea
Blunt or shallow Y descent in jugular venous waveform is seen in all, except
- A. Tricuspid stenosis
- B. Cardiac tamponade
- C. Effusive-constrictive pericarditis
- D. Ebstein's anomaly
Correct Answer: D
Rationale: Ebstein's anomaly is not typically associated with a blunt or shallow Y descent in the jugular venous waveform.
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Regarding hand innervation:
- A. Median nerve supplies all thenar muscles except adductor pollicis
- B. The sensory supply to the dorsal surface of the medial two digits is via the radial nerve
- C. In ulnar nerve damage at the elbow there is sensory loss over the medial aspect of forearm proximal to the wrist
- D. Radial nerve provides the sensory innervation to the terminal areas of the dorsal surfaces of the lateral three digits
Correct Answer: A
Rationale: The median nerve innervates most thenar muscles, except for the adductor pollicis, which is supplied by the ulnar nerve.
The healthcare provider prescribes an IV solution of regular insulin (Hummulin-R) 100 units in 250 ml of 0.45% saline to infuse at 12 units/hour. The nurse should program the infusion pump to deliver how many ml/hour?
- A. 30
- B. 3
- C. 40
- D. 15
Correct Answer: A
Rationale: To calculate the infusion rate in ml/hour, the nurse needs to divide the prescribed units per hour by the concentration of insulin. 12 units/hour ÷ (100 units/250 ml) = 30 ml/hour.
Klinefelter's syndrome:
- A. Has a karyotype XXV
- B. Is the result of meiotic non-dysjunction
- C. Shows delay in bone age/maturation
- D. Is a recognised cause of hypogonadotrophic hypogonadism
Correct Answer: B
Rationale: Klinefelter's syndrome is caused by meiotic non-dysjunction, resulting in an extra X chromosome (karyotype XXY). It is not inherited as an X-linked recessive trait, and it is not a cause of hypogonadotrophic hypogonadism.
List THREE major criteria for the diagnosis of infective endocarditis.
- A. Persistently positive blood cultures
- B. Echo evidence positive for IE
- C. New valvar regurgitation
- D. All of the above
Correct Answer: D
Rationale: The major criteria are critical for diagnosing infective endocarditis based on clinical, laboratory, and echocardiographic findings.
The wife of a client with Parkinson's disease expresses concern because her husband has lost so much weight. Which teaching is best for the nurse to provide?
- A. Invite friends over regularly to share in meal times
- B. Encourage the client to drink clear liquids between meals
- C. Coach the client to make an intentional effort to swallow
- D. Talk to the healthcare provider about prescribing an appetite stimulant
Correct Answer: A
Rationale: Social interaction during meals can improve appetite and intake in clients with Parkinson's disease.