The most likely diagnosis in the patient described is
- A. persistent pulmonary hypertension
- B. transposition of the great arteries
- C. truncus arteriosus
- D. pulmonary atresia
Correct Answer: B
Rationale: Transposition of the great arteries often presents with cyanosis due to mixing of oxygenated and deoxygenated blood.
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The healthcare provider prescribes epoetin alfa (Procrit) 8,200 units subcutaneously for a client with chronic kidney disease (CKD). The 2 ml multidose vial is labeled, 'Each 1 ml of solution contains 10,000 units of epoetin alfa.' How many ml should the nurse administer?
- A. 0.8
- B. 8
- D. 1
Correct Answer: A
Rationale: To calculate the dose, the nurse must divide the prescribed dose (8,200 units) by the concentration (10,000 units per ml). 8,200 ÷ 10,000 = 0.82 ml, rounded to 0.8 ml.
Anthracycline (doxorubicin) on rare occasion causes acute inflammatory myocardial injury, but more classically results in dilated cardiomyopathy (DCM) in up to 30% of patients with a cumulative dose of doxorubicin exceeding
- A. 250 mg/m²
- B. 350 mg/m²
- C. 450 mg/m²
- D. 550 mg/m²
Correct Answer: D
Rationale: A cumulative dose of doxorubicin exceeding 550 mg/m² is associated with increased risk of dilated cardiomyopathy.
Closure of the ductus will worsen following conditions
- A. Transposition of great vessels
- B. Tricuspid Atresia
- C. Hypoplastic Left heart syndrome
- D. Tetrology of Fallots
Correct Answer: C
Rationale: Closure of the ductus arteriosus worsens hypoplastic left heart syndrome by removing the only source of systemic circulation.
All of the following are true regarding attention deficit hyperactivity disorder (ADHD), except
- A. Dopamine transporter gene (DAT1) and dopamine 4 receptor gene (DRD4) are implicated in the diagnosis
- B. Impaired fine motor movement and poor coordination are 'soft' but specific signs of ADHD
- C. Developmentally inappropriate behavior must commence before 7 years of age and present for at least 6 months
- D. Maternal lead exposure is associated with ADHD
Correct Answer: B
Rationale: Impaired fine motor movement and poor coordination are not specific signs of ADHD; they are nonspecific and can occur in other conditions.
Sheena, tells the nurse that she wants to begin toilet training her 22-month-old child. The most important factor for the nurse to stress to the mother is:
- A. Developmental readiness of the child
- B. Consistency in approach
- C. The mother’s positive attitude
- D. Developmental level of the child’s peers
Correct Answer: A
Rationale: Developmental readiness is crucial for successful toilet training, as forcing it before the child is ready can lead to resistance and setbacks.
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