The following criteria are indications for further investigation of premature ventricular contractions (PVCs) that could require suppressive therapy EXCEPT
- A. multiform PVCs
- B. disappear during exercise
- C. R-on-T phenomenon
- D. extreme frequency of beats
Correct Answer: B
Rationale: PVCs that disappear during exercise are less concerning and do not necessarily require suppressive therapy.
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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.
When planning care for a client newly diagnosed with open angle glaucoma, the nurse identifies a priority nursing diagnosis of, 'visual sensory/perceptual alterations.' This diagnosis is based on which etiology?
- A. Limited eye movement
- B. Decreased peripheral vision
- C. Blurred distance vision
- D. Photosensitivity
Correct Answer: B
Rationale: Open angle glaucoma primarily affects peripheral vision, leading to visual sensory/perceptual alterations.
Recognised features of myotonic dystrophy include:
- A. Phenomenon of anticipation
- B. Muscle pain
- C. Diplopia
- D. Cardiomyopathy
Correct Answer: A
Rationale: The phenomenon of anticipation, where symptoms become more severe or appear at an earlier age as the disorder is passed through generations, is a recognized feature of myotonic dystrophy.
The most common cardiac dysrhythmia in pediatrics is:
- A. Ventricular tachycardia
- B. Sinus bradycardia
- C. Supraventricular tachycardia
- D. First-degree heart block
Correct Answer: C
Rationale: SVT is the most common dysrhythmia in children.
Rocker bottom feet and polyvalvular dysplasia are characteristic of which of the following?
- A. Trisomy 19
- B. Trisomy 18
- C. Trisomy 13
- D. Trisomy 21
Correct Answer: B
Rationale: Rocker bottom feet and polyvalvular dysplasia are classic signs of trisomy 18 (Edwards syndrome), a condition that involves multiple congenital anomalies.