Nursing Elites

1. Warfarin (Coumadin) is an anticoagulant and interferes with the action of:

• A. Platelets
• B. Vitamin K
• C. Calcium
• D. Vitamin B12

Correct answer: B

Rationale: The correct answer is B: Vitamin K. Warfarin inhibits the action of vitamin K, which is essential for blood clotting. By interfering with the production of certain clotting factors, warfarin helps prevent blood clots. Choices A, C, and D are incorrect because warfarin primarily affects the vitamin K-dependent clotting factors and not platelets, calcium, or vitamin B12.

2. The client with chronic alcoholism has chronic pancreatitis and hypomagnesemia. What should the nurse assess when administering magnesium sulfate to the client?

• A. Deep tendon reflexes
• B. Arterial blood gases
• C. Skin turgor
• D. Capillary refill time

Correct answer: A

Rationale: The correct answer is A: Deep tendon reflexes. When administering magnesium sulfate to a client with chronic alcoholism, chronic pancreatitis, and hypomagnesemia, the nurse should assess deep tendon reflexes. Magnesium sulfate can depress the central nervous system and decrease deep tendon reflexes, so monitoring them is crucial. Choices B, C, and D are not directly related to the assessment needed when administering magnesium sulfate in this scenario. Arterial blood gases are not typically assessed specifically for magnesium sulfate administration; skin turgor and capillary refill time are more related to hydration status and perfusion, respectively.

3. The nurse is caring for clients on a medical floor. Which client will the nurse assess first?

• A. The client with an abdominal aortic aneurysm who is constipated
• B. The client on bed rest who ambulated to the bathroom
• C. The client with essential hypertension who has epistaxis and a headache
• D. The client with arterial occlusive disease who has a decreased pedal pulse

Correct answer: C

Rationale: The correct answer is C because epistaxis and headache in a client with hypertension are signs of a hypertensive crisis that necessitate immediate intervention. Choice A is incorrect as constipation in a client with an abdominal aortic aneurysm, while important, does not indicate an immediate crisis. Choice B is incorrect as a client on bed rest ambulating to the bathroom is a positive sign. Choice D is incorrect because a decreased pedal pulse in arterial occlusive disease should be addressed promptly, but it does not indicate an acute emergency like a hypertensive crisis.

4. A patient with diabetes should be advised to avoid which type of carbohydrate?

• A. Simple carbohydrates
• B. Complex carbohydrates
• C. Fiber-rich carbohydrates
• D. All carbohydrates

Correct answer: A

Rationale: The correct answer is A: Simple carbohydrates. Simple carbohydrates can cause rapid spikes in blood glucose levels, which can be problematic for patients with diabetes. These carbohydrates are quickly broken down and absorbed by the body, leading to sharp increases in blood sugar levels. In contrast, complex carbohydrates and fiber-rich carbohydrates are generally better choices for individuals with diabetes because they are digested more slowly, resulting in a more gradual rise in blood glucose levels. Choice B, complex carbohydrates, are a better option for diabetic patients compared to simple carbohydrates. Choice C, fiber-rich carbohydrates, can also be beneficial for individuals with diabetes as they help in regulating blood sugar levels. Choice D, all carbohydrates, is too broad of a statement as not all carbohydrates have the same impact on blood glucose levels.

5. The nurse is aware that norepinephrine is secreted by which endocrine gland?

• A. The pancreas
• B. The adrenal cortex
• C. The adrenal medulla
• D. The anterior pituitary gland

Correct answer: C

Rationale: Norepinephrine is indeed secreted by the adrenal medulla, making choice C the correct answer. The adrenal medulla is part of the adrenal glands, located on top of the kidneys. Norepinephrine is involved in the body's 'fight or flight' response, helping to prepare the body to react to stress. Choices A, B, and D are incorrect as norepinephrine is not secreted by the pancreas, adrenal cortex, or the anterior pituitary gland.

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