Nokea
The most commonly used reference range is generally given as the mean of the reference population ±2 standard deviations. The term 'normal distribution' refers to which of the following?
- A. gaussian distribution
- B. exponential distribution
- C. skewed distribution
- D. uniform distribution
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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When a patient is taking glucocorticoids and digoxin, which electrolyte should the nurse prioritize monitoring?
- A. Calcium
- B. Magnesium
- C. Sodium
- D. Potassium
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A child with sickle cell anemia is experiencing a vaso-occlusive crisis. Which of the following actions should the nurse take?
- A. Administer meperidine for pain.
- B. Apply cold compresses to the child's joints.
- C. Limit the child's fluid intake.
- D. Maintain bed rest for the child.
Correct Answer: D
Rationale: During a vaso-occlusive crisis in sickle cell anemia, maintaining bed rest is crucial to reduce oxygen consumption and alleviate pain. Movement can worsen the crisis by increasing sickling of red blood cells, leading to further tissue damage and pain. Bed rest helps to improve blood flow, reduce pain, and promote healing.
At what age range is it important to feed a baby in a more upright position and no longer in sidelying?
- A. 6-12 months
- B. 4-6 months
- C. 12-18 months
- D. Birth to 3 months
Correct Answer: B
Rationale: Feeding a baby in a more upright position and no longer in sidelying is important around 4-6 months of age. At this stage, babies start developing better head and trunk control, which allows them to sit in a more upright position for feeding, promoting safer and more efficient swallowing and digestion.
A healthcare professional is preparing to insert an intravenous catheter for a 7-year-old child. Which of the following actions should the professional take?
- A. Apply an anesthetic cream to the insertion site 1 hr before the procedure.
- B. Use a 16-gauge needle for the insertion.
- C. Insert the catheter into a vein of the child's dominant hand.
- D. Choose a site over the child's metacarpal veins.
Correct Answer: A
Rationale: Applying an anesthetic cream to the insertion site 1 hr before the procedure is crucial when inserting an intravenous catheter in a child to minimize pain and discomfort during the procedure. This practice is especially important in pediatric patients to ensure a more comfortable experience and improve cooperation during the insertion process.
Undescended testis is a risk factor for the development of which of the following tumors?
- A. rhabdomyosarcoma
- B. leukemia
- C. yolk sac tumor
- D. lymphoma
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.