ATI RN
Cardiovascular System Exam
1. Which surgical procedure involves grafting a blood vessel to bypass a blocked artery in the heart?
- A. Coronary artery bypass graft (CABG)
- B. Valve replacement
- C. Stent placement
- D. Angioplasty
Correct answer: A
Rationale: The correct answer is A, Coronary artery bypass graft (CABG). This surgical procedure involves grafting a blood vessel to bypass a blocked coronary artery, improving blood flow to the heart muscle. Choice B, Valve replacement, is a procedure to replace a damaged heart valve and is not directly related to bypassing blocked arteries. Choice C, Stent placement, involves inserting a mesh tube to keep blocked arteries open and is different from grafting a blood vessel. Choice D, Angioplasty, is a procedure to widen narrowed or blocked arteries, typically using a balloon catheter, and does not involve grafting a blood vessel.
2. A patient with hypertension is taking an ACE inhibitor to lower blood pressure. What should the nurse advise the patient to avoid in their diet?
- A. Vinegar
- B. Apples
- C. Salt substitutes
- D. Tomatoes
Correct answer: C
Rationale: Patients taking ACE inhibitors should avoid salt substitutes as they often contain potassium, which can lead to hyperkalemia. Hyperkalemia is an elevated level of potassium in the blood that can be dangerous, especially for patients on ACE inhibitors. Vinegar, apples, and tomatoes do not pose a risk for patients taking ACE inhibitors. Therefore, the nurse should advise the patient to avoid salt substitutes to prevent potential complications.
3. A new mom is ready to introduce solid foods to her infant. Which food would you recommend starting with?
- A. Meat
- B. Rice cereal
- C. Fruits
- D. Vegetables
Correct answer: B
Rationale: The correct answer is B: Rice cereal. Rice cereal is typically the first solid food introduced to infants because it is easy to digest and unlikely to cause an allergic reaction. Starting with rice cereal helps assess the baby's readiness for solid foods and reduces the risk of allergic responses. Choice A (Meat) is not recommended as the initial solid food due to its higher allergenic potential. Choices C (Fruits) and D (Vegetables) are also not usually recommended as the first solid food, as they may be more challenging for infants to digest compared to rice cereal.
4. Nearly all adults who were children living in Saigon when the U.S. armed forces left Vietnam in 1975 report that their lives were changed by those events. This exemplifies which of the following?
- A. Normative age-graded influence
- B. Social clock
- C. Critical period
- D. Sensitive period
Correct answer: C
Rationale: The correct answer is C. This scenario exemplifies a critical period in development. Critical periods are specific times in an individual's life when certain events have a profound impact on their development. In this case, the events surrounding the departure of the U.S. armed forces from Saigon in 1975 had a lasting influence on the children living there at that time. Choices A, B, and D are incorrect. Normative age-graded influence refers to events that are common to people of a particular age group, the social clock relates to the culturally preferred timing of social events, and a sensitive period is a time when an individual is more susceptible to environmental influences but does not result in lifelong consequences as with critical periods.
5. A nurse is discussing sources of vitamin K with a client. Which food should the nurse recommend?
- A. Fish
- B. Leafy greens
- C. Citrus fruits
- D. Nuts
Correct answer: B
Rationale: Leafy greens are rich in vitamin K, which is important for blood clotting.
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