Nokea
What finding would the nurse expect when measuring blood pressure on all four extremities of a child with coarctation of the aorta?
- A. Blood pressure higher on the right side
- B. Blood pressure higher on the left side
- C. Blood pressure lower in the arms than in the legs
- D. Blood pressure lower in the legs than in the arms
Correct Answer: D
Rationale: The characteristic symptoms of coarctation of the aorta are a marked difference in blood pressure and pulses between the upper and lower extremities. Pressure is increased proximal to the defect and decreased distal to the coarctation.
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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.
Common pathogens in the sputum of CF patients are:
- A. Pseudomonas
- B. Staphylococcus epidermidis
- C. Staphylococcus aureus
- D. Burkholderia
Correct Answer: A
Rationale: The correct answer is A because Pseudomonas is the most common pathogen in CF patients. The other options (b-e) are less common.
The nurse is caring for an 8-year-old girl whose parents indicate she has developed spastic movements of her extremities and trunk, facial grimace, and speech disturbances. They state it seems worse when she is anxious and does not occur while sleeping. The nurse questions the parents about which recent illness?
- A. Kawasaki disease (KD)
- B. Strep throat
- C. Malignant hypertension
- D. Atrial fibrillation
Correct Answer: B
Rationale: Chorea (spastic movements, facial grimacing, and speech disturbances) can be a manifestation of rheumatic fever following streptococcal pharyngitis, with a higher incidence in females.
A client with acute renal injury (AKI) who weighs 50 kg and has a potassium level of 6.7 mEq/L (6.7 mmol/l) is admitted to the hospital. Which prescribed medication should the nurse administer first?
- A. Sevelamer (RenaGel) one tablet PO.
- B. Epoetin alfa, recombinant (Epogen) 2,500 units SUBQ
- C. Sodium polystyrene (Kayexalate) 15 grams PO
- D. Calcium acetate (Phos-Lo) one tablet PO
Correct Answer: C
Rationale: Sodium polystyrene (Kayexalate) helps remove excess potassium, which is the priority concern in AKI with elevated potassium.
Which comment made by a parent of a 1-month-old would alert the nurse about the presence of a congenital heart defect?
- A. He is always hungry.
- B. He tires out during feedings.
- C. He is fussy for several hours every day.
- D. He sleeps all the time.
Correct Answer: B
Rationale: Fatigue during feeding or activity is common to most infants with congenital cardiac problems.