Nokea
As an initial step in treating a client with angina, the physician prescribes nitroglycerin tablets, 0.3 mg given sublingually. This drug's principal effects are produced by:
- A. Antispasmodic effects on the pericardium.
- B. Causing an increased myocardial oxygen demand.
- C. Vasodilation of peripheral vasculature.
- D. Improved conductivity in the myocardium.
Correct Answer: C
Rationale: Nitroglycerin causes vasodilation of peripheral and coronary vasculature, reducing preload and myocardial oxygen demand, relieving angina.
You may also like to solve these questions
A nurse is providing teaching to a client about skin cancer. Which of the following should the nurse explain are risk factors for skin cancer? Select all that apply.
- A. Increasing age.
- B. Exposure to chemical pollutants.
- C. Long-term exposure to the sun.
- D. Increased pigmentation.
- E. Genetics.
- F. Immunosuppression.
Correct Answer: A,C,E,F
Rationale: Increasing age, sun exposure, genetics, and immunosuppression increase skin cancer risk. Chemical pollutants are less significant, and increased pigmentation reduces risk.
The teaching plan for the client with rheumatoid arthritis includes rest promotion. Which of the following would the nurse expect to instruct the client to avoid during rest periods?
- A. Proper body alignment.
- B. Elevating the part.
- C. Prone lying positions.
- D. Positions of flexion.
Correct Answer: D
Rationale: Positions of flexion can exacerbate joint stiffness and deformity in rheumatoid arthritis. Proper alignment, elevation, and prone positions (if comfortable) support joint health.
The nurse is applying a hand mitt restraint for a client with pruritis (see fi gure). The nurse should first:
- A. Verify the physician order to use the restraint.
- B. Secure the mitt with ties around the wrist tied to the bed frame.
- C. Place a folded pillow under the wrist.
- D. Place the mitt on top of the hand.
Correct Answer: A
Rationale: Before using any restraints, the nurse must verify that a physician has written an order for the restraint. The mitt does not need to be secured with ties. The client can move the hand as needed. It is not necessary to place a pillow under the wrist. The nurse should place the mitt on the palmer surface of the hand.
Which of the following interventions would be least appropriate for a client who is in a double hip spica cast?
- A. Encouraging the intake of cranberry juice.
- B. Advising the client to eat large amounts of cheese.
- C. Establishing regular times for elimination.
- D. Having the client dangle at the bedside.
Correct Answer: D
Rationale: Dangling at the bedside is inappropriate, as it risks cast damage and improper positioning.
The nurse is planning a staff development conference about medication reconciliation. Which of the following information should the nurse include?
- A. Obtain a list of the medications instead of reviewing the list with the client
- B. Medication reconciliation should occur just at discharge to prevent omissions.
- C. Prescribed medications should be obtained and omit herbs and supplements.
- D. This process should occur at admission, client transfer, and discharge.
Correct Answer: C
Rationale: Medication reconciliation at admission, transfer, and discharge ensures accuracy and continuity of care.