Nokea
What is the best explanation for the drug therapy in this situation?
- A. Aspirin tends to relieve chest pain.
- B. Aspirin tends to prevent blood clots.
- C. Aspirin tends to lower the blood pressure.
- D. Aspirin tendsmedi tends to dilate the coronary arteries.
Correct Answer: B
Rationale: Aspirin's antiplatelet effect prevents thrombus formation at the PTCA site, reducing the risk of re-occlusion.
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During cardiopulmonary resuscitation (CPR), the nurse compresses the chest of an adult victim at which rate?
- A. No less than 15 compressions per minute
- B. No less than 40 compressions per minute
- C. No less than 80 compressions per minute
- D. No less than 100 compressions per minute
Correct Answer: D
Rationale: Adult CPR requires 100-120 compressions per minute to restore circulation effectively.
Which side effects are most closely associated with the use of nitroglycerin tablets? Select all that apply.
- A. Headache
- B. Backache
- C. Headache
- D. Jaundice
- E. Dizziness
- F. Pallor
Correct Answer: A,E
Rationale: Nitroglycerin causes vasodilation, leading to headache (due to cerebral vasodilation) and dizziness (due to hypotension). Backache, jaundice, and pallor are not typical.
An older adult is admitted to the hospital with symptoms of severe dyspnea, orthopnea, diaphoresis, bubbling respirations, and cyanosis. He states that he is afraid 'something bad is about to happen.' How should the nurse position this client?
- A. Sitting upright
- B. Head lower than feet
- C. Supine
- D. Prone
Correct Answer: A
Rationale: Sitting upright reduces pulmonary congestion and improves breathing in clients with acute heart failure symptoms like dyspnea and orthopnea.
The nurse is caring for a client who is receiving heparin. What drug should be readily available?
- A. Vitamin K
- B. Caffeine
- C. Calcium gluconate
- D. Protamine sulfate
Correct Answer: D
Rationale: The antidote for heparin is protamine sulfate. Vitamin K is the antidote for warfarin. Calcium gluconate is used for magnesium sulfate overdose. Caffeine is a stimulant and not an antidote.
A client with angina will have to make lifestyle modifications. Which of the following statements by the client would indicate that he understands the necessary modifications in lifestyle to prevent angina attacks?
- A. I know that I will need to eat less, so I will only eat one meal a day.'
- B. I will need to stay in bed all the time so I won't have the pain.'
- C. I'll stop what I'm doing whenever I have pain and take a pill.'
- D. I will need to walk more slowly and rest frequently to avoid the angina.'
Correct Answer: D
Rationale: Walking slowly and resting frequently helps prevent angina by reducing cardiac workload. Eating one meal a day, staying in bed, or only stopping during pain do not address preventive lifestyle modifications.