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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Recurrent headaches in childhood are seen with:
- A. Tension headaches
- B. Migraine
- C. Sinusitis
- D. Hypermetropia
Correct Answer: B
Rationale: The correct answer is B because migraine is a common cause of recurrent headaches in children. The other options (a, c, d, e) are less common or present differently.
Drug combinations recommended to be avoided include all, except
- A. Metronidazole and Warfarin
- B. Furosemide and Gentamicin
- C. Dihydropyridine calcium channel blockers and beta blockers
- D. Omega-3 and Antiplatelets
Correct Answer: D
Rationale: Omega-3 and antiplatelets are not typically a contraindicated combination.
Cantwell criteria is used to diagnose
- A. Congenital tuberculosis
- B. Congenital syphilis
- C. Congenital rubella
- D. None of the above
Correct Answer: B
Rationale: The Cantwell criteria are used to diagnose congenital syphilis, based on clinical and laboratory findings.
In urgent situations of supraventricular tachycardia (SVT) when symptoms of severe heart failure have already occurred, the initial management is
- A. adenosine by rapid intravenous push
- B. DC cardioversion
- C. verapamil
- D. digoxin
Correct Answer: B
Rationale: DC cardioversion is the preferred initial management in hemodynamically unstable SVT.
A nurse assesses clients on a medical-surgical unit. Which client should the nurse identify as having the greatest risk for cardiovascular disease?
- A. An 86-year-old man with a history of asthma
- B. A 32-year-old Asian-American man with colorectal cancer
- C. A 45-year-old American Indian woman with diabetes mellitus
- D. A 53-year-old postmenopausal woman who is on hormone therapy
Correct Answer: C
Rationale: Diabetes mellitus is a significant risk factor for cardiovascular disease, and the 45-year-old American Indian woman with diabetes mellitus has the highest risk among the options provided.