Nursing Elites

1. Which statement does not describe a potential role of minerals in the body?

• A. they provide calories and energy to the body
• B. they help maintain fluid balance in the body
• C. they give teeth and bone their strength
• D. they help muscles contract

Correct answer: A

Rationale: Minerals do not provide calories or energy; instead, they play various roles such as building strong bones and teeth, maintaining fluid balance, and supporting muscle contractions.

2. What is the primary function of antioxidants in the diet?

• A. Provide energy
• B. Support muscle growth
• C. Neutralize free radicals
• D. Increase blood sugar

Correct answer: C

Rationale: The primary function of antioxidants in the diet is to neutralize free radicals. Free radicals can cause cellular damage, leading to various chronic diseases. Antioxidants help combat this oxidative stress by neutralizing free radicals. Choices A, B, and D are incorrect because antioxidants do not provide energy, support muscle growth, or increase blood sugar; their main role is in combating oxidative stress.

3. The nurse is caring for a client taking warfarin. Which meal brought in by the client's family is a priority to remove before the client eats it?

• A. Oriental cabbage salad with chicken
• B. Beef enchilada, rice, and beans
• C. Ham and cheese sandwich
• D. Macaroni salad and grapefruit slices

Correct answer: C

Rationale: The correct answer is C. Ham is high in vitamin K, which can interfere with warfarin. Vitamin K can decrease the effectiveness of warfarin, an anticoagulant medication. Choices A, B, and D do not contain high levels of vitamin K and are less likely to interfere with the client's warfarin therapy.

4. Which biomolecule is responsible for the storage and transfer of genetic information?

• A. Carbohydrates
• B. Proteins
• C. Lipids
• D. Nucleic acids

Correct answer: D

Rationale: Nucleic acids, such as DNA and RNA, are the biomolecules responsible for storing and transferring genetic information within cells. Carbohydrates, proteins, and lipids do not have this specific function. Carbohydrates are mainly used for energy storage, structural support, and cellular communication. Proteins are involved in various cellular functions such as enzymatic reactions, structural support, and signaling. Lipids play roles in energy storage, cell membrane structure, and signaling.

5. Age group categories within older adults are classified as 'young old,' 'old,' and 'oldest old,' the latter of which comprises adults aged _____.

• A. 70-80 years
• B. 75-84 years
• C. 80-90 years
• D. 85 years or older

Correct answer: D

Rationale: The 'oldest old' category includes adults aged 85 years or older. This age group faces unique health challenges and requires specialized care. Choices A, B, and C are incorrect as they do not fall within the age range specified for the 'oldest old' category.

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