ATI RN
Cardiovascular System Exam
1. When administering furosemide (Lasix) to a client, which lab value is most important to monitor?
- A. Potassium
- B. Sodium
- C. Calcium
- D. Chloride
Correct answer: A
Rationale: When administering furosemide (Lasix), it is crucial to monitor potassium levels closely. Furosemide is a loop diuretic that can lead to potassium loss, potentially causing hypokalemia. Monitoring potassium levels helps prevent adverse effects associated with low potassium, such as cardiac arrhythmias. While monitoring sodium, calcium, and chloride levels may also be important in certain situations, potassium is the most critical to monitor when administering furosemide.
2. What is one focus of current health care?
- A. Increased provision of nursing services
- B. Disease prevention
- C. Symptom management
- D. Identification of disease processes
Correct answer: B
Rationale: The correct answer is 'Disease prevention.' Modern healthcare places emphasis on preventing diseases to enhance overall health and well-being. While nursing services, symptom management, and disease identification are crucial components of healthcare, disease prevention plays a key role in reducing the burden of illness on individuals and communities.
3. Neomycin may decrease absorption of which nutrient?
- A. Iron, copper, and zinc
- B. Protein and amino acids
- C. Fat-soluble vitamins
- D. Water-soluble vitamins
Correct answer: C
Rationale: The correct answer is C: Fat-soluble vitamins. Neomycin is known to interfere with the absorption of fat-soluble vitamins. This is because neomycin can disrupt the normal gut flora responsible for the absorption of these vitamins. Choices A, B, and D are incorrect because neomycin primarily affects the absorption of fat-soluble vitamins, not minerals, proteins, amino acids, or water-soluble vitamins.
4. The nurse is teaching parents about the effects of media on childhood obesity. The nurse realizes the parents understand the teaching if they make which statements? (Select all that apply.)
- A. Advertising of unhealthy food can increase snacking
- B. Increased screen time may be related to unhealthy sleep
- C. There is a link between the amount of screen time and obesity
- D. All of the above
Correct answer: D
Rationale: Increased screen time is associated with unhealthy habits, such as poor sleep and snacking, which contribute to obesity, but it does not necessarily improve nutrition knowledge.
5. A client has a new prescription for Metoprolol to treat hypertension. Which of the following instructions should the nurse include?
- A. Stop taking the medication if your heart rate is below 70/min.
- B. Take the medication with food.
- C. Avoid sudden changes in position.
- D. Limit your sodium intake while taking this medication.
Correct answer: C
Rationale: The correct instruction for a client taking Metoprolol, a medication used to treat hypertension, is to avoid sudden changes in position. Metoprolol can cause orthostatic hypotension, a sudden drop in blood pressure when moving from lying down to standing up, leading to dizziness and falls. By advising the client to change positions slowly, the nurse helps prevent these adverse effects and promotes safety.
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