Histochemical staining used for diagnosing Hirschsprung's disease is
- A. Acetyl choline esterase
- B. Dopamine
- C. Glutamate
- D. Chromogranin and synaptophysin
Correct Answer: A
Rationale: Acetylcholine esterase staining is used to diagnose Hirschsprung's disease by identifying the absence of ganglion cells.
You may also like to solve these questions
An adult male client is admitted for Pneumocystis carinii pneumonia (PCP) secondary to AIDS. While hospitalized, he receives IV pentamidine isethionate therapy. In preparing this client for discharge, what important aspect regarding his medication therapy should the nurse explain?
- A. IV pentamidine may offer protection to other AIDS-related conditions, such as Kaposi's sarcoma
- B. It will be necessary to continue prophylactic doses of IV or aerosol pentamidine every month
- C. IV pentamidine will be given until oral pentamidine can be tolerated
- D. AZT (Azidothymidine) therapy must be stopped when IV or aerosol pentamidine is being used.
Correct Answer: B
Rationale: Prophylactic doses of pentamidine are necessary to prevent PCP recurrence and other AIDS-related infections.
What information should the nurse include in the teaching plan of a client diagnosed with gastroesophageal reflux disease (GERD)?
- A. Sleep without pillows at night to maintain neck alignment.
- B. Adjust food intake to three full meals per day and no snacks.
- C. Minimize symptoms by wearing loose, comfortable clothing
- D. Avoid participation in any aerobic exercise programs
Correct Answer: C
Rationale: Loose clothing reduces pressure on the abdomen, which can help minimize GERD symptoms.
Recognised features in Marfan's syndrome include:
- A. Mutation in fibrillin gene
- B. Mitral valve prolapse
- C. Cognitive impairment
- D. Myopia
Correct Answer: B
Rationale: Mitral valve prolapse
A client returns to the unit following a suprapubic prostatectomy. He has a three-way catheter in place with a continuous bladder irrigation infusing. Which assessment finding warrants immediate intervention by the nurse?
- A. True urinary output of 50ml/hr
- B. Lower abdominal tenderness
- C. Blood urine output with clots
- D. Urine leaking around the meatus
Correct Answer: D
Rationale: Urine leaking around the meatus may indicate catheter displacement or obstruction, requiring immediate attention to prevent complications.
Long-chain triglyceride absorption requires:
- A. Intraluminal bile salts
- B. Mixed micelle formation
- C. Intraluminal trypsin
- D. Intact duodenum
Correct Answer: B
Rationale: Mixed micelle formation: The absorption of long-chain triglycerides requires bile salts to form mixed micelles, which facilitate the transport of lipids across the intestinal mucosa.