the first step in the scientific method is to
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Nursing Elites

ATI RN

ATI Nutrition Practice A

1. What is the first step in the scientific method?

Correct answer: B

Rationale: The first step in the scientific method is to make an observation and ask a question. This is because the scientific method is a systematic process of investigation that begins with observing a phenomenon or asking a question about it. This is followed by formulating a hypothesis (Choice C), designing and conducting an experiment to test the hypothesis (Choice A), and analyzing the results to reach a consensus or conclusion (Choice D). Therefore, choices A, C, and D are incorrect as they represent steps that occur after the initial observation and question.

2. For individuals with lactose intolerance, which of the following foods should be avoided?

Correct answer: B

Rationale: Individuals with lactose intolerance lack the enzyme lactase needed to break down lactose. Milk contains lactose, a sugar found in dairy products, and should be avoided by individuals with lactose intolerance. Choices A, C, and D are not sources of lactose and are generally well-tolerated by individuals with lactose intolerance.

3. Which of the following categories identifies the focus of community/public health nursing practice?

Correct answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

4. What instruction should the nurse include on weight gain during pregnancy?

Correct answer: A

Rationale: Appropriate weight gain is crucial for reducing the risk of preterm birth.

5. Fat-soluble vitamins are different from water-soluble vitamins because the body is able to store only small amounts of fat-soluble vitamins.

Correct answer: C

Rationale: The statement is correct, but the reason is not correct. A major difference between fat-soluble and water-soluble vitamins is that the body is able to store larger amounts of fat-soluble vitamins. Vitamins A and D are stored for long periods; therefore, minor shortages might not be identified until drastic depletion has occurred. Observable signs and symptoms of a dietary deficiency are often not identified until they are in an advanced state. Water-soluble vitamins, on the other hand, are not stored in the body and are excreted in the urine if taken in excess, making it harder to reach toxic levels.

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