Nokea
Cystic fibrosis is an exocrine disorder that affects several systems of the body. The earliest sign associated with a diagnosis of cystic fibrosis is:
- A. Steatorrhea
- B. Frequent respiratory infections
- C. Increased sweating
- D. Meconium ileus
Correct Answer: D
Rationale: Meconium ileus, a bowel obstruction at birth, is often the earliest sign of cystic fibrosis in newborns.
You may also like to solve these questions
Ideally, the first dose of what vaccine is given at birth?
- A. IPV
- B. Hib
- C. DTaP
- D. hepatitis B
Correct Answer: D
Rationale: The hepatitis B vaccine is recommended at birth to prevent perinatal transmission and establish early immunity.
A client has been receiving cyanocobalamine (B12) injections for the past six weeks. Which laboratory finding indicates that the medication is having the desired effect?
- A. Neutrophil count of 60%
- B. Basophil count of 0.5%
- C. Monocyte count of 2%
- D. Reticulocyte count of 1%
Correct Answer: D
Rationale: Increased reticulocyte count indicates effective B12 therapy for anemia.
The nurse is working on the cardiac unit with a client scheduled to receive digitalis. The nurse understands that which finding is a contraindication for this medication? Select all that apply.
- A. AV block
- B. atrial flutter
- C. atrial fibrillation
- D. sick sinus syndrome
- E. Wolff-Parkinson-White syndrome
Correct Answer: A,D,E
Rationale: AV block, sick sinus syndrome, and Wolff-Parkinson-White syndrome are contraindications for digitalis due to the risk of worsening conduction abnormalities. Atrial flutter and fibrillation are indications.
The body part that would most likely display jaundice in the dark-skinned individual is the:
- A. Conjunctiva of the eye
- B. Soles of the feet
- C. Roof of the mouth
- D. Shins
Correct Answer: A
Rationale: The conjunctiva of the eye is the most reliable site to assess jaundice in dark-skinned individuals, as it is less affected by skin pigmentation.
The physician prescribes regular insulin, 5 units subcutaneous. Regular insulin begins to exert an effect:
- A. In 5-10 minutes
- B. In 10-20 minutes
- C. In 30-60 minutes
- D. In 60-120 minutes
Correct Answer: C
Rationale: Regular insulin has an onset of 30-60 minutes when given subcutaneously.