Nokea
Which of the following is correct in breast milk jaundice?
- A. Peaks at first week of life
- B. Recurs with resumption of breast milk after trial stoppage
- C. Kernicterus can occur
- D. Seen in up to 10% of infants
Correct Answer: B
Rationale: Breast milk jaundice recurs when breastfeeding is resumed after a temporary stoppage.
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The MOST common cause of syncope in children is
- A. Wolff-Parkinson-White syndrome
- B. prolonged QT syndrome
- C. atrioventricular block
- D. neurocardiogenic syncope
Correct Answer: D
Rationale: Neurocardiogenic syncope is the most common cause of syncope in children due to autonomic dysfunction.
The following factors trigger renin secretion:
- A. Hyponatremia
- B. ACTH
- C. Hypovolemia
- D. ADH
Correct Answer: C
Rationale: Hypovolemia: Renin is secreted by the kidneys in response to low blood volume (hypovolemia), initiating the renin-angiotensin-aldosterone system to conserve sodium and increase blood pressure.
The nurse is teaching the importance of an exercise regime that includes walking daily for a group of clients with asthma, chronic bronchitis, and emphysema at a pulmonary rehabilitation clinic. Which rationale should the nurse include when motivating the clients?
- A. Daily exercise and walking enhances cardiovascular fitness
- B. Exercise eliminates the need for bronchodilator medications.
- C. Walking daily reverses lung damage caused by chronic conditions.
- D. Physical activity increases mucus production to clear airways.
Correct Answer: A
Rationale: Regular exercise improves cardiovascular fitness, which can enhance overall respiratory function and quality of life in clients with chronic pulmonary conditions.
An adolescent who sustained a tibia fracture in a motor vehicle accident has a cast. What should the nurse do to help relieve the itching?
- A. Apply cool air under the cast with a blow-dryer
- B. Use sterile applicators to scratch the itch
- C. Apply cool water under the cast
- D. Apply hydrocortisone cream under the cast using sterile applicator
Correct Answer: A
Rationale: Cool air helps relieve itching without damaging the cast or introducing moisture, which can lead to skin breakdown.
The main risk factor for developing deep vein thrombosis is:
- A. Prolonged immobility
- B. Age
- C. Obesity
- D. Family history
Correct Answer: A
Rationale: Prolonged immobility, such as during long flights or post-surgery, is a significant risk factor for developing deep vein thrombosis (DVT).