Nokea
The following are true statements:
- A. Tissue plasminogen activator is derived from endothelium
- B. Heparin acts through antithrombin III
- C. Protein C deficiency is autosomal recessive transmitted
- D. Protein C is vitamin K dependent
Correct Answer: B
Rationale: Heparin acts through antithrombin III: Heparin enhances the activity of antithrombin III, which inhibits thrombin and other clotting factors, helping prevent clot formation.
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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.
In which congenital heart defect (CHD) would the nurse need to take upper and lower extremity BPs?
- A. Transposition of the great vessels
- B. Aortic stenosis (AS)
- C. Coarctation of the aorta (COA)
- D. Tetralogy of Fallot (TOF)
Correct Answer: C
Rationale: COA causes increased blood pressure and strong pulses in the upper extremities with lower-than-expected BP and weak pulses in the lower extremities.
All the following conditions are associated with high volume pulse except
- A. Aorta to LV tunnel
- B. Coronary cameral fistula
- C. Neonatal Blalock Taussig shunt
- D. Hemitruncus
Correct Answer: C
Rationale: Neonatal Blalock Taussig shunt is not associated with a high volume pulse.
Manifestations of endocarditis include all of the following EXCEPT
- A. Gottron nodules
- B. hematuria
- C. petechiae
- D. splenomegaly
Correct Answer: A
Rationale: Gottron nodules are associated with dermatomyositis, not endocarditis.
A young female client with seven children is having frequent morning headaches, dizziness, and blurred vision. Her blood pressure (BP) is 168/104 mmHg. The client reports that her husband recently lost his job and she is not sleeping well. After administering a STAT dose of an antihypertensive IV medication, which intervention is most important for the nurse to implement?
- A. Measure urine output hourly to assess for rental perfusion
- B. Request a prescription for pain medication
- C. Use an automated BP machine to monitor for hypotension
- D. Provide a quiet environment with low lighting
Correct Answer: C
Rationale: Monitoring blood pressure is crucial after administering an antihypertensive to ensure the client does not become hypotensive.