Nokea
The following enzymes and inhibitors are matched correctly:
- A. Xanthine oxidase-allopurinol
- B. Enolase-fluoride
- C. Cholinesterase-physostigmine
- D. Ceruloplasmin-penicillamine
Correct Answer: A
Rationale: Xanthine oxidase-allopurinol: Allopurinol inhibits xanthine oxidase, which plays a role in purine metabolism, and is used to treat gout and prevent uric acid buildup.
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The nurse is obtaining a client's fingerstick glucose level. After gently milking the client's finger, the nurse observes that the distal tip of the finger appears reddened and engorged. What action should the nurse take?
- A. Collect the blood sample
- B. Assess radial pulse volume
- C. Apply pressure to the site
- D. Select another finger
Correct Answer: A
Rationale: The reddened and engorged appearance is due to increased blood flow, and the sample can still be collected.
Pulmonary stenosis
- A. Most common at pulmonary valve level
- B. Valve dilatation done for dysplastic valves
- C. Ejection click occurs in past stenotic dilatation
- D. Surgery done when Rt ventricular pressure exceeds 25 mmHg
Correct Answer: A
Rationale: Pulmonary stenosis is most commonly found at the pulmonary valve level.
Causes of hypertension in a child include:
- A. Long-standing vesico-ureteric reflux
- B. Cushing's syndrome
- C. Addison's disease
- D. Turner's syndrome
Correct Answer: B
Rationale: Cushing's syndrome, characterized by excessive cortisol levels, is a known cause of secondary hypertension in children.
What are THREE classes of medication used to treat giant coronary artery aneurysms in Kawasaki Disease?
- A. ACE inhibitor
- B. Beta blocker
- C. Statin
- D. All of the above
Correct Answer: D
Rationale: These medications are typically used in the management of giant coronary artery aneurysms to manage cardiovascular risks.
Dome and dart P wave in lead V1 in electrocardiogram is suggestive of which of the following?
- A. Dextrocardia
- B. Left atrial ectopic rhythm
- C. Biatrial enlargement
- D. Mitral stenosis
Correct Answer: C
Rationale: The dome and dart P wave morphology is characteristic of biatrial enlargement, often seen in conditions like mitral stenosis and atrial fibrillation.