ATI RN
ATI Nutrition Proctored Exam
1. What physiologic role does calcium play in the body?
- A. Blood clotting, transmission of nerve impulses, muscle contraction and relaxation
- B. Calcium homeostasis, structural integrity of heart muscle
- C. No known metabolic function, caries-preventing properties
- D. ATP energy release; metabolism of fats, carbohydrates, proteins; regulates acid-base balance.
Correct answer: A
Rationale: The correct answer is A: 'Blood clotting, transmission of nerve impulses, muscle contraction and relaxation.' Calcium plays a crucial role in various physiological functions such as blood clotting, transmission of nerve impulses, muscle contraction and relaxation, membrane permeability, and activation of certain enzymes. Choice B is incorrect because while calcium is involved in calcium homeostasis, it is not the only role it plays in the body. Choice C is incorrect as calcium indeed has several known metabolic functions, and it is not solely for preventing caries. Choice D is also incorrect as the functions mentioned are primarily carried out by other nutrients and not specifically by calcium.
2. A 30-year-old female has suffered a third-degree burn to her hand after spilling hot oil in a kitchen accident. Which teaching point by a member of her care team is most appropriate?
- A. Your hand will likely heal without the need for a skin graft.
- B. You might experience a loss of sensation in your hand after it heals.
- C. Be sure to keep your hand elevated to reduce swelling.
- D. We will need to monitor you for infection as your hand heals.
Correct answer: D
Rationale: In third-degree burns, infection is a major concern due to the extensive damage to the skin. Monitoring for infection is crucial. Choice A is incorrect because third-degree burns often require skin grafts due to the severity of the injury. Choice B is incorrect as loss of sensation is more common in nerve damage and not necessarily in burns. Choice C is incorrect because while elevation can help with swelling in minor burns, it is not the most critical concern in third-degree burns.
3. The healthcare provider is developing a critical pathway for congestive heart failure (CHF). Which components are essential to include? (Select ONE that does not apply.)
- A. Expected length of stay
- B. Assigned staff healthcare provider
- C. Patient outcomes
- D. Medical diagnosis
Correct answer: B
Rationale: Critical pathways are designed to outline the expected sequence and timing of interventions to achieve optimal patient outcomes for a specific medical condition. Components such as the expected length of stay, patient outcomes, and medical diagnosis are crucial in developing a critical pathway for congestive heart failure. However, the assigned staff healthcare provider is not typically a fixed component of a critical pathway as it may vary based on staffing schedules and rotations. Therefore, the assigned staff healthcare provider is the component that does not apply.
4. A nurse is caring for a client receiving theophylline for chronic obstructive pulmonary disease (COPD). Which of the following client findings indicates the need for immediate intervention?
- A. Productive cough
- B. Drowsiness
- C. Vomiting
- D. Polyuria
Correct answer: D
Rationale: Polyuria is a sign of theophylline toxicity and requires immediate intervention. Theophylline toxicity can lead to serious complications, and polyuria is a concerning symptom that indicates the need for urgent medical attention. Productive cough, drowsiness, and vomiting are common side effects of theophylline but are not typically indicative of immediate life-threatening issues like polyuria in the context of theophylline toxicity.
5. The healthcare provider is providing medication education to a patient who has been prescribed lithium to stabilize mood. Which early signs and symptoms of toxicity should the healthcare provider stress to the patient? Select one that does not apply.
- A. Increased attentiveness
- B. Getting up at night to urinate
- C. Improved vision
- D. An upset stomach for no apparent reason
Correct answer: C
Rationale: Early signs of lithium toxicity include gastrointestinal upset, tremors, increased urination, and increased thirst. Improved vision is not a typical early sign of lithium toxicity and should be ruled out as a symptom to watch for.
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