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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A child receives a vaccine for MMR. Six hours after the injection, the child’s parent reports local soreness, erythema, lethargy, and a fever of 101°F to a nurse. Which action should the nurse take?
- A. Give instructions on relieving symptoms with acetaminophen
- B. Seek emergency help, because these symptoms are signs of anaphylactic reaction
- C. Tell the parent that a live vaccine will cause a mild case of measles
- D. Obtain and fill out a Vaccine Adverse Event Report form
Correct Answer: A
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.
The age at which the infant can achieve early head control with bobbing motion when pulled to sit is
- A. 2 months
- B. 3 months
- C. 4 months
- D. 6 months
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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.
You are evaluating a 9-year-old boy child with ALL who recently develops relapse; an important statement that should be mentioned to his parents is
- A. testicular relapse occurs in the majority of boys with ALL
- B. such relapse occurs as painful swelling of one or both testes
- C. the diagnosis is confirmed by ultrasonography
- D. the majority of affected boys can be successfully retreated, and the survival rate is good
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.