digestion elimination and are the three functions of the digestive system
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Nursing Elites

NCLEX-RN

NCLEX RN Predictor Exam

1. Digestion, elimination, and ___________ are the three functions of the digestive system.

Correct answer: C

Rationale: The correct answer is 'absorption.' The three main functions of the digestive system are digestion, absorption, and elimination. Absorption refers to the process of absorbing nutrients and other substances from the digested food into the bloodstream. Choices A, B, and D are incorrect: Constriction is not a primary function of the digestive system, relaxation is not a distinct function in this context, and peristalsis is a muscular movement that aids in digestion but is not one of the three main functions of the digestive system.

2. A client on the nursing unit is terminally ill but remains alert and oriented. Three days after admission, the nurse observes signs of depression. The client states, 'I'm tired of being sick. I wish I could end it all.' What is the most accurate and informative way to record this data in a nursing progress note?

Correct answer: D

Rationale: Subjective data includes thoughts, beliefs, feelings, perceptions, and sensations that are apparent only to the person affected and cannot be measured, seen, or felt by the nurse. This information should be documented using the client's exact words in quotes. The other options indicate that the nurse has drawn the conclusion that the client no longer wishes to live. From the data provided, the cues do not support this assumption. A more complete assessment should be conducted to determine if the client is suicidal.

3. Which of these specific measurements is the best index of a child's general health?

Correct answer: B

Rationale: Height and weight are the most accurate measurements to assess a child's general health. These measurements reflect the physical growth and development of the child, indicating overall health status. Choices C and D, head circumference and chest circumference, are important measurements for specific assessments but do not provide as comprehensive an overview of general health as height and weight. Body mass index (BMI) is a calculation based on height and weight, making height and weight more direct and primary indicators of a child's health compared to BMI.

4. The nurse is planning care for a patient with a wrist restraint. How often should a restraint be removed, the area massaged, and the joints moved through their full range?

Correct answer: C

Rationale: Restraints should be removed every 2 hours to prevent complications. Moving the joints through their full range of motion helps prevent muscle shortening and contractures. Massaging the area promotes circulation and reduces the risk of pressure injuries. Removing restraints less frequently could lead to complications like decreased circulation and skin breakdown. Options A, B, and D are incorrect because they do not align with the standard practice of removing restraints every 2 hours to ensure patient safety and well-being.

5. When assisting a client with shampooing his hair while he is still in bed, a nurse raises the bed to approximately the level of her waist. What is the rationale for this action?

Correct answer: C

Rationale: Raising the bed to the level of the nurse's waist while assisting a client with shampooing in bed is done to reduce strain on the nurse's back. This adjustment ensures that the nurse can work comfortably without excessive bending or stooping, thus preventing back injuries. Choices A, B, and D are incorrect. While preventing shampoo from getting into the client's eyes, allowing excess water to run off the bed, and preventing hair tangles are important considerations, the primary rationale for raising the bed is to prioritize the nurse's ergonomic safety and prevent musculoskeletal strain.

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