Nokea
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.
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The nurse reviews the laboratory results for a child with a suspected diagnosis of rheumatic fever. The nurse knows that which laboratory study would assist in confirming the diagnosis?
- A. Immunoglobulin
- B. Red blood cell count
- C. White blood cell count
- D. Anti-streptolysin O titer
Correct Answer: D
Rationale: The Anti-streptolysin O titer is used to confirm a diagnosis of rheumatic fever as it indicates a recent streptococcal infection, which is a precursor to rheumatic fever.
Which of the following conditions results primarily from mutation in the gene encoding Vitamin D receptor?
- A. Vitamin D dependent rickets type 1
- B. Vitamin D dependent rickets type 2
- C. X-linked hypophosphatemic rickets
- D. Autosomal dominant hypophosphatemic rickets
Correct Answer: B
Rationale: Vitamin D dependent rickets type 2 is caused by mutations in the vitamin D receptor gene, leading to resistance to vitamin D.
A client with pheochromocytoma reports the onset of a severe headache. The nurse observes that the client is very diaphoretic. Which assessment data should the nurse obtain next?
- A. Blood pressure
- B. Blood glucose level
- C. Respiratory rate
- D. Oxygen saturation
Correct Answer: A
Rationale: Pheochromocytoma can lead to hypertension, which may be responsible for the client’s symptoms. Monitoring blood pressure is crucial to assess for potential hypertensive crisis.
Mycoplasma pneumonia:
- A. Is associated with bullous myringitis
- B. Cold haemaglutinin antibodies are a recognised finding
- C. Guillain-Barre syndrome is a recognised sequel
- D. Is associated with erythema marginatum
Correct Answer: B
Rationale: Cold haemagglutinin antibodies are a recognized finding in Mycoplasma pneumonia. Bullous myringitis and Guillain-Barre syndrome are also associated.
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.