Nokea
Clinical manifestations of hypoplastic left-heart syndrome in the 1st 48 hr of life include
- A. always obvious color
- B. deep-blue skin
- C. bounding peripheral pulses
- D. occasional association with Turner syndrome
Correct Answer: C
Rationale: Bounding peripheral pulses are not typical in hypoplastic left-heart syndrome.
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A 6-month-old infant is receiving digoxin (Lanoxin). The nurse should notify the practitioner and withhold the medication if the apical pulse is less than _______ beats/min.
- A. 60
- B. 70
- C. 90 to 110
- D. 110 to 120
Correct Answer: C
Rationale: If the 1-minute apical pulse is below 90 to 110 beats/min, the digoxin should not be given to a 6-month-old. Sixty beats/min is the cut-off for holding the digoxin dose in an adult; 70 beats/min is the determining heart rate to hold a dose of digoxin for an older child; 110 to 120 beats/min is an acceptable heart rate to administer digoxin to a 6-month-old.
The nurse reviews the laboratory results of a client during an annual physical examination and identifies a positive guaiac test of stool. Which additional serum laboratory test result should the nurse review?
- A. Glucose
- B. Platelet count
- C. White blood cell count
- D. Amylase
Correct Answer: B
Rationale: A positive guaiac test indicates gastrointestinal bleeding. A platelet count is essential to assess for thrombocytopenia, which could contribute to bleeding.
Regarding coarctation of aorta
- A. Associated with Turner's syndrome
- B. Commonest is preductal type
- C. Radio femoral delay is a feature
- D. Systolic BP in lower limb is higher than in upper limb
Correct Answer: C
Rationale: Radio-femoral delay is a characteristic feature of coarctation of the aorta due to the obstruction in blood flow.
Nurse Roy is administering total parental nutrition (TPN) through a peripheral I.V. line to a school-age child. What’s the smallest amount of glucose that’s considered safe and not caustic to small veins, while also providing adequate TPN?
- A. 5% glucose
- B. 10% glucose
- C. 15% glucose
- D. 17% glucose
Correct Answer: B
Rationale: A 10% glucose solution is safe for peripheral veins and provides adequate nutrition without causing irritation or damage.
All of the following are part of acute aortic syndrome, except
- A. Aortic dissection
- B. Acute aortic regurgitation
- C. Intramural hematoma
- D. Penetrating atherosclerotic ulcer
Correct Answer: B
Rationale: Acute aortic regurgitation is not typically considered part of acute aortic syndrome.