Which of the following is a vasodilator?
- A. Thromboxane A2
- B. Endothelin
- C. Prostaglandin E2
- D. Urotensin II
Correct Answer: C
Rationale: Prostaglandin E2 is a vasodilator.
You may also like to solve these questions
Exposure to which illness should be a cause to discontinue therapy and substitute dipyridamole (Persantine) in a child receiving aspirin therapy for Kawasaki disease (KD)?
- A. Chickenpox or influenza
- B. E. coli or staphylococcus
- C. Mumps or streptococcus A
- D. Streptococcus A or staphylococcus
Correct Answer: A
Rationale: Both chickenpox and influenza are viral; during these illnesses, aspirin (a salicylate) is typically discontinued due to the risk of Reye syndrome.
Of the following, the cyanotic cardiac lesion with decreased pulmonary blood flow is
- A. transposition of the great vessels
- B. single ventricle
- C. truncus arteriosus
- D. tricuspid atresia
Correct Answer: D
Rationale: Tricuspid atresia results in decreased pulmonary blood flow due to lack of right ventricular input.
Which vaccines must be delayed for 11 months after the administration of gamma globulin? (Select all that apply.)
- A. Diphtheria, tetanus, and pertussis
- B. Hepatitis B
- C. Inactivated polio virus
- D. Measles, mumps, and rubella
Correct Answer: D
Rationale: Live virus vaccines (MMR and Varicella) should be delayed for 11 months after gamma globulin infusion because the passive antibodies can interfere with vaccine efficacy.
A 10-year-old has undergone a cardiac catheterization. At the end of the procedure, the nurse should first assess:
- A. Pain
- B. Pulses
- C. Hemoglobin and hematocrit levels
- D. Catheterization report
Correct Answer: B
Rationale: Checking pulsesâ€â€especially in the canulated extremityâ€â€assures perfusion to that extremity and is the priority postprocedure.
A client with urolithiasis is preparing for discharge after lithotripsy. Which intervention should the nurse include in the client's postoperative discharge instructions?
- A. Prepare for transcutaneous pacing
- B. Deliver another defibrillator shock
- C. Administer IV Epinephrine per ACLS protocol
- D. Give IV dose of adenosine rapidly over 1-2 seconds
Correct Answer: D
Rationale: The client may experience arrhythmia, and the correct intervention is giving IV adenosine to slow the heart rate.
Nokea