Nokea
What should the nurse assess prior to administering digoxin? (Select all that apply.)
- A. Sclera
- B. Apical pulse rate
- C. Cough
- D. Liver function test
Correct Answer: B
Rationale: Because digoxin decreases the heart rate, the apical pulse should be assessed. If the HR is below 60 beats per minute, digoxin should not be administered.
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Prior to the patient being given medication, he becomes hypotensive, mottled, and cold. His heart rate is 240. The next therapeutic step should be
- A. digoxin
- B. synchronized DC cardioversion
- C. lidocaine
- D. defibrillation
Correct Answer: B
Rationale: Synchronized DC cardioversion is indicated for unstable tachycardia unresponsive to pharmacological agents.
Long-chain triglyceride absorption requires:
- A. Intraluminal bile salts
- B. Mixed micelle formation
- C. Intraluminal trypsin
- D. Intact duodenum
Correct Answer: B
Rationale: Mixed micelle formation: The absorption of long-chain triglycerides requires bile salts to form mixed micelles, which facilitate the transport of lipids across the intestinal mucosa.
A child born with Trisomy 21 should be evaluated for which associated cardiac manifestation?
- A. Systemic hypertension
- B. Congenital heart defect
- C. Hyperlipidemia
- D. Cardiomyopathy
Correct Answer: B
Rationale: Children with Trisomy 21 (Down syndrome) have a high incidence of congenital heart defects, such as atrioventricular septal defects, and should be evaluated for these conditions.
Nurse Betina should begin screening for lead poisoning when a child reaches which age?
- A. 6 months
- B. 12 months
- C. 18 months
- D. 24 months
Correct Answer: B
Rationale: Screening for lead poisoning typically begins at 12 months, as children at this age are more likely to be exposed to lead through crawling and hand-to-mouth activities.
The most common cardiac dysrhythmia in pediatrics is:
- A. Ventricular tachycardia
- B. Sinus bradycardia
- C. Supraventricular tachycardia
- D. First-degree heart block
Correct Answer: C
Rationale: SVT is the most common dysrhythmia in children.