Nokea
At birth, tunica intima of arterial wall contains all of the following, except
- A. Type IV collagen
- B. Laminin
- C. Endothelial cells
- D. Smooth muscle cells
Correct Answer: D
Rationale: Smooth muscle cells are not typically found in the tunica intima at birth.
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The following drugs induce hepatic enzymes:
- A. Rifampicin
- B. Phenobarbitone
- C. Cimetidine
- D. Erythromycin
Correct Answer: A
Rationale: Rifampicin is known to induce hepatic enzymes, which can increase the metabolism of other drugs and reduce their efficacy.
What does the nurse explain that a ventricular septal defect will allow?
- A. Blood to shunt left to right, causing increased pulmonary flow and no cyanosis
- B. Blood to shunt right to left, causing decreased pulmonary flow and cyanosis
- C. No shunting because of high pressure in the left ventricle
- D. Increased pressure in the left atrium, impeding circulation of oxygenated blood in the circulating volume
Correct Answer: A
Rationale: Pulmonary blood flow is increased when a ventricular septal defect exists. The blood shifts from left to right because of the higher pressure in the left ventricle. This particular shift does not cause cyanosis.
The nurse assesses a client being treated for Herpes Zoster (shingles). Which assessments should the nurse include when evaluating the effectiveness of treatment? (Select all that apply)
- A. Skin integrity
- B. Functional ability
- C. Heart sounds
- D. Pain scale
Correct Answer: A
Rationale: These assessments help determine the effectiveness of treatment in managing pain, skin lesions, and the client's ability to perform daily activities.
Phenytoin is used for treatment of
- A. supraventricular tachycardia
- B. digitalis intoxication
- C. atrial fibrillation
- D. ventricular tachycardia
Correct Answer: B
Rationale: Phenytoin is used specifically for digitalis-induced arrhythmias.
All the following are true regarding coarctation of the aorta EXCEPT
- A. notching of ribs is noted
- B. doppler is useful for demonstrating severe obstruction
- C. diagnostic catheterization is mandatory before surgery
- D. CT and MRI are valuable noninvasive tools for evaluation when the echocardiogram is equivocal
Correct Answer: C
Rationale: Diagnostic catheterization is not always mandatory before surgery for coarctation of the aorta.