Nokea
A toddler who has been hospitalized for vomiting due to gastroenteritis is sleeping and difficult to wake up. Assessment reveals: HR: 220 beats per minute (regular) Respiratory rate: 30 per minute BP: 84/52 Capillary refill: 3 seconds Which dysrhythmia does the nurse suspect in this child?
- A. Rapid pulmonary flutter
- B. Sinus bradycardia
- C. Rapid atrial fibrillation
- D. Supraventricular tachycardia (SVT)
Correct Answer: D
Rationale: SVT is typically above 200 beats per minute and can result from dehydration; the rapid rate causes low cardiac output (CO), resulting in low BP and prolonged capillary refill.
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Defects of complement system should be suspected in:
- A. Recurrent folliculitis
- B. Facial swelling following trauma
- C. Recurrent meningococcal infection
- D. Pneumocystis carinii pneumonia
Correct Answer: C
Rationale: Recurrent meningococcal infection: Defects in the complement system, especially the terminal complement components, increase the risk of recurrent meningococcal infections.
A fair-skinned female client who is an avid runner is diagnosed with malignant melanoma, located on the lateral surface of the lower leg. After wide margin resection, the nurse provides discharge teaching. It is most important for the nurse to emphasize the need to observe for changes in which characteristic?
- A. Elasticity of the skin
- B. Appearance of any moles
- C. Muscle aches and pains
- D. Pigmentation of the skin
Correct Answer: B
Rationale: Monitoring for changes in moles is critical for early detection of new or recurrent melanoma, which is essential for timely intervention.
Consequences of a median nerve section in the ante-cubital fossa include:
- A. Complete paralysis of pronation
- B. Loss of sensation over palmar aspect of middle finger
- C. Wasting of hypothenar eminence
- D. Paralysis of abductor pollicis brevis
Correct Answer: D
Rationale: The median nerve controls the abductor pollicis brevis, and its injury at the ante-cubital fossa results in an inability to perform thumb abduction.
Vitamin used in the treatment of transient tyrosinemia of newborn?
- A. Vitamin A
- B. Vitamin K
- C. Vitamin E
- D. Vitamin C
Correct Answer: D
Rationale: Vitamin C is used to treat transient tyrosinemia due to its role in tyrosine metabolism.
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.