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What is a type of medication that helps to prevent blood clots by thinning the blood?
- A. Anticoagulant
- B. Beta-blocker
- C. ACE inhibitor
- D. Calcium channel blocker
Correct Answer: A
Rationale: The correct answer is A: Anticoagulant. Anticoagulants prevent blood clots by inhibiting the blood's ability to clot. They do not actually thin the blood, but rather prevent clots from forming. Beta-blockers (B), ACE inhibitors (C), and Calcium channel blockers (D) are not used to prevent blood clots. Beta-blockers are used to treat high blood pressure and heart conditions, ACE inhibitors are used to treat high blood pressure and heart failure, and Calcium channel blockers are used to treat high blood pressure and certain heart conditions.
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What term describes a condition where a person experiences difficulty breathing when lying flat and requires multiple pillows to sleep comfortably?
- A. Orthopnea
- B. Dyspnea
- C. Tachypnea
- D. Bradypnea
Correct Answer: A
Rationale: Rationale:
1. Orthopnea refers to difficulty breathing when lying flat, relieved by sitting up.
2. Dyspnea is a general term for difficulty breathing, not specific to lying flat.
3. Tachypnea is rapid breathing, not related to difficulty breathing when lying flat.
4. Bradypnea is slow breathing, not related to difficulty breathing when lying flat.
Thus, the correct answer is A (Orthopnea), as it specifically describes the condition of requiring multiple pillows to sleep comfortably due to difficulty breathing when lying flat.
Mr. Olds is admitted with constrictive pericarditis. He complains of chest pain and receives morphine as ordered. Pain relief for this patient is also facilitated by
- A. Sitting forward
- B. Lying supine
- C. Taking deep breaths
- D. Coughing
Correct Answer: A
Rationale: Sitting forward reduces pressure on the heart.
Which condition is characterized by the sudden onset of shortness of breath, often occurring at night and associated with heart failure?
- A. Paroxysmal nocturnal dyspnea
- B. Sleep apnea
- C. Orthopnea
- D. Dyspnea
Correct Answer: A
Rationale: The correct answer is A: Paroxysmal nocturnal dyspnea. This condition is characterized by sudden onset of shortness of breath at night, often associated with heart failure. It occurs when a person lies down due to fluid redistribution in the body, leading to increased pressure on the lungs and heart. Sleep apnea (B) is a separate condition characterized by pauses in breathing during sleep. Orthopnea (C) is difficulty breathing while lying flat, relieved by sitting up. Dyspnea (D) is a general term for shortness of breath but does not specifically refer to the sudden onset at night associated with heart failure.
When reviewing a patient's four-week diet history, the cardiac-vascular nurse identifies a pattern of high-calorie intake on Monday, Wednesday, and Friday nights. The patient states that their spouse recently started taking a night class on those evenings at a local university. The patient's diet history indicates:
- A. a disabling family coping behavior.
- B. a lack of dietary instruction.
- C. a need for cooking classes.
- D. an individual coping behavior.
Correct Answer: D
Rationale: The eating pattern appears to be an individual coping behavior related to the spouse's absence.
This is a branch of the left coronary arteries which supplies the LEFT ATRIUM, posterior lateral surface of the left ventricle.
- A. Right coronary artery
- B. Left circumflex artery
- C. Left anterior descending artery
- D. Posterior descending artery
Correct Answer: B
Rationale: The correct answer is B, the Left circumflex artery. This artery branches off the left coronary artery and supplies the left atrium and the posterior lateral surface of the left ventricle. The Left anterior descending artery (C) supplies the anterior surface of the left ventricle. The Right coronary artery (A) supplies the right atrium and right ventricle. The Posterior descending artery (D) is a branch of the right coronary artery and supplies the posterior wall of the left ventricle. Therefore, B is the correct answer based on the specific areas supplied by each artery.