Nursing Elites

1. Where is Vitamin K synthesized?

• A. by bacteria in the GI tract
• B. by the body by sunlight
• C. deficiency is called beriberi
• D. found in vegetable oils

Correct answer: A

Rationale: Vitamin K is synthesized by bacteria in the gastrointestinal tract. Choice B is incorrect as the synthesis of Vitamin D, not K, can be induced by sunlight exposure. Choice C is incorrect as beriberi is a condition caused by thiamine (Vitamin B1) deficiency, not Vitamin K. Choice D is incorrect as Vitamin E is commonly found in vegetable oils, not Vitamin K.

2. Which substance would most likely need to be restricted in patients with heart failure who use diuretics to help reduce fluid retention?

• A. potassium
• B. magnesium
• C. sodium
• D. chloride

Correct answer: C

Rationale: Sodium restriction is crucial in heart failure management to prevent fluid retention, which can worsen symptoms of heart failure.

3. What is a major constituent of cell membranes?

• A. cholesterol
• B. phospholipid
• C. saturated
• D. triglyceride

Correct answer: B

Rationale: Phospholipids are a major component of cell membranes, providing structural integrity and facilitating cell signaling. Cholesterol (choice A) is also present in cell membranes but in smaller amounts and plays a different role. Saturated (choice C) and triglyceride (choice D) are not major constituents of cell membranes.

4. Which of the following statements is correct about MyPlate?

• A. Canned fruit can be considered part of the fruit group
• B. Soymilk is considered part of the dairy group
• C. Beans and peas are considered part of both the protein group and the vegetable group
• D. Cream cheese and butter are not part of the dairy group

Correct answer: C

Rationale: According to the MyPlate guide, beans and peas are classified as part of both the protein and vegetable groups due to their high protein content and the nutrients they share with vegetables. This makes Choice C correct. Choice A is incorrect as canned fruit can be part of the fruit group if it's canned in water or 100% fruit juice. Soymilk is considered part of the dairy group, making Choice B incorrect. While cream cheese and butter are dairy products, they are not part of the dairy group on MyPlate because they contain little to no calcium, making Choice D incorrect.

5. Which list contains fatty acids that reduce cardiovascular disease risk?

• A. omega 3, trans fatty acids, saturated fatty acids
• B. EPA and DHA
• C. omega 6, omega 3, partially hydrogenated oil
• D. omega 3, EPA, saturated fatty acids

Correct answer: B

Rationale: EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), both omega-3 fatty acids, are known to reduce the risk of cardiovascular disease.

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