Nokea
A child diagnosed with congestive heart failure (CHF) is receiving maintenance doses of digoxin and furosemide. She is rubbing her eyes when looking at the lights in the room, and her HR is 70 beats per minute. The nurse expects which laboratory finding?
- A. Hypokalemia
- B. Hypomagnesemia
- C. Hypocalcemia
- D. Hypophosphatemia
Correct Answer: A
Rationale: The child's eye rubbing may indicate seeing halos (a sign of digoxin toxicity), and the slow HR supports this. Furosemide can cause hypokalemia, increasing the risk for digoxin toxicity.
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Right to left shunts include:
- A. Fallot's tetralogy
- B. Tricuspid atresia
- C. Eisenmenger complex
- D. Ductus arteriosus in the fetus
Correct Answer: A
Rationale: Fallot's tetralogy is a congenital heart defect that includes a right-to-left shunt, allowing deoxygenated blood to bypass the lungs.
A male client with pernicious anemia takes supplemental folate and self-administers monthly Vitamin B12 injections. He reports feeling increasingly fatigued. Which laboratory value should the nurse review?
- A. Complete blood count
- B. Serum ferritin level
- C. Serum potassium level
- D. Liver function tests
Correct Answer: A
Rationale: Fatigue in pernicious anemia may indicate inadequate treatment. A complete blood count helps assess hemoglobin and red blood cell levels.
What are FOUR absolute contraindications for cardiac transplantation?
- A. Active infection
- B. Ongoing malignancy
- C. Medical non-compliance
- D. Drug abuse
Correct Answer: D
Rationale: These are absolute contraindications for cardiac transplantation due to the risks of infection, poor outcomes, and non-compliance.
Bed-wetting can be considered normal up to
- A. 4 years in boys and 5 years in girls
- B. 5 years in boys and 4 years in girls
- C. 4 years in both boys and girls
- D. 5 years in both boys and girls
Correct Answer: D
Rationale: Bed-wetting is considered normal up to 5 years of age in both boys and girls, as bladder control develops gradually.
Congenital toxoplasmosis is associated with:
- A. Microcephaly
- B. Chorioretinitis
- C. Sore throat
- D. Sacroileitis
Correct Answer: B
Rationale: Chorioretinitis is a common manifestation of congenital toxoplasmosis, often leading to vision problems and ocular abnormalities.