Nokea
An 18-month-old with a myelomeningocele is undergoing a cardiac catheterization. The mother expresses concern about the use of dye in the procedure. The child does not have any allergies. In addition to an iodine allergy, which other allergy should the nurse bring to the attention of the catheterization staff?
- A. Soy
- B. Latex
- C. Penicillin
- D. Dairy
Correct Answer: B
Rationale: Children with spina bifida (myelomeningocele) are often allergic to latex; catheter balloons and other materials may contain latex.
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Which therapeutic management should the nurse expect to implement for a child with rheumatic fever?
- A. Administering penicillin
- B. Avoiding salicylates (aspirin)
- C. Imposing strict bed rest for 4 to 6 weeks
- D. Administering corticosteroids if chorea develops
Correct Answer: A
Rationale: The goal of medical management is the eradication of the hemolytic streptococci. Penicillin is the drug of choice. Salicylates can be used to control the inflammatory process, especially in the joints, and reduce the fever and discomfort. Bed rest is recommended for the acute febrile stage, but it does not need to be strict. The chorea is transient and will resolve without treatment.
In statistical methodology:
- A. The median and mean are different when the population distribution is skewed
- B. Mode refers to the value that occurs with the highest frequency
- C. The value of 'r' (coefficient of variation) ranges from -1 to +1
- D. Incidence is defined as the number of cases seen in the population at any given period of time
Correct Answer: A
Rationale: The median and mean differ in skewed distributions because the mean is influenced by extreme values, while the median is not.
In congenital hypertophic pulmonary stenosis
- A. Metabolic alkalosis occurs
- B. In some cases can be treated with non surgical methods
- C. During surgery tumor is removed
- D. Is a caus of conjugated hyperbilirubinaemia in neonate
Correct Answer: B
Rationale: Some cases of congenital hypertrophic pulmonary stenosis can be managed with non-surgical techniques like balloon valvuloplasty.
When caring for an 11-month-old infant with dehydration and metabolic acidosis, the nurse expects to see which of the following?
- A. A reduced white blood cell count
- B. A decreased platelet count
- C. Shallow respirations
- D. Tachypnea
Correct Answer: D
Rationale: Tachypnea is a compensatory mechanism in metabolic acidosis to help expel excess carbon dioxide and correct the acid-base imbalance.
Isovolumic contraction phase of ventricular systole occurs during which of the following phases of central venous pressure, approximately
- A. From nadir of y descent to peak of a wave
- B. From peak of a wave to trough of x wave
- C. From trough of x wave to peak of c wave
- D. From peak of c wave to trough of x' descent
Correct Answer: C
Rationale: Isovolumic contraction occurs from the trough of the x wave to the peak of the c wave.