Nokea
Of the following, the cardiac lesion resulting in increased volume load is
- A. valvular pulmonic stenosis
- B. patent ductus arteriosus
- C. valvular aortic stenosis
- D. mitral stenosis
Correct Answer: B
Rationale: Patent ductus arteriosus leads to increased volume load on the left side of the heart.
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The following are true of umbilical hernia:
- A. It is more common in Caucasian than Blacks
- B. It is commonly associated with hypothyroidism
- C. It must be operated on by two years of age
- D. It becomes obstructed in 2% of cases
Correct Answer: D
Rationale: Umbilical hernias can become obstructed in about 2% of cases. They are more common in Blacks and are not typically associated with hypothyroidism.
An older client arrives at the outpatient eye surgery clinic for a right cataract extraction and lens implant. During the immediate postoperative period, which intervention should the nurse implement?
- A. Teach a family member to administer eye drops
- B. Encourage deep breathing and coughing exercises
- C. Provide an eye shield to be worn while sleeping
- D. Obtain vital signs every 2 hours during hospitalization
Correct Answer: C
Rationale: An eye shield protects the surgical site from accidental trauma during sleep, which is critical for postoperative healing.
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.
Generalised absence seizures:
- A. Are usually atypical in type
- B. CT scan shows abnormalities in around 25-30% of cases
- C. Can be diagnosed in the absence of a typical EEG pattern with great certainty
- D. Are associated with other generalised seizures in most cases
Correct Answer: D
Rationale: Generalised absence seizures are often associated with other types of generalised seizures, such as tonic-clonic seizures.
Causes for hypertension in childhood
- A. PDA
- B. Hemolytic uremic syndrome
- C. Guillain-Barre syndrome
- D. Lead poisoning
Correct Answer: A
Rationale: Patent ductus arteriosus (PDA) is a common cause of hypertension in childhood.