ATI RN
Nutrition ATI Proctored Exam
1. Can bacterial plaque metabolize sucrose, lactose, and fructose? Is fructose, also known as levulose and found naturally in honey, less cariogenic than sucrose and lactose?
- A. Yes, bacterial plaque can metabolize these sugars, but no, fructose is not less cariogenic.
- B. No, bacterial plaque cannot metabolize these sugars, and fructose is not less cariogenic.
- C. Yes, bacterial plaque can metabolize these sugars, but no, fructose is not less cariogenic.
- D. No, bacterial plaque cannot metabolize these sugars, but yes, fructose is less cariogenic.
Correct answer: A
Rationale: The first statement is correct as bacterial plaque can indeed metabolize sucrose, lactose, and fructose. However, the second statement is inaccurate. Fructose, despite being found naturally in honey and known also as levulose, is not less cariogenic than either sucrose or lactose. This means that its consumption does not result in fewer cavities or tooth decay. Therefore, the correct answer is that bacterial plaque can metabolize these sugars, but fructose is not less cariogenic. Choices B, C, and D are incorrect because they either wrongly assert that bacterial plaque cannot metabolize these sugars or wrongly claim that fructose is less cariogenic.
2. The term associated with loss of taste is:
- A. Xerostomia
- B. Hypogeusia
- C. Dysphagia
- D. Anosmia
Correct answer: B
Rationale: The correct answer is B, 'Hypogeusia.' Hypogeusia refers to a diminished sense of taste, which can impact nutritional intake, especially in older adults. Xerostomia (choice A) is dry mouth, Dysphagia (choice C) is difficulty swallowing, and Anosmia (choice D) is the loss of the sense of smell. These conditions are different from loss of taste, making them incorrect choices for this question.
3. The purpose of chest percussion and vibration is to loosen secretions in the lungs. The difference between the procedures is:
- A. Percussion uses only one hand, while vibration uses both hands
- B. Percussion delivers cushioned blows to the chest with cupped palms, while vibration gently shakes secretions loose
- C. In both percussion and vibration, the hands are not on top of each other, and hand action is not in tune with the client's breath
- D. Percussion slaps the chest to loosen secretions, while vibration shakes the secretions along with the inhalation
Correct answer: D
Rationale: Chest percussion involves the use of rhythmic tapping to dislodge mucus from the lungs, facilitating its movement toward the larger airways where it can be expelled. This technique is particularly important in conditions where mucus retention is a significant risk factor for infection. The key difference between chest percussion and vibration is that percussion involves slapping the chest to loosen secretions, while vibration involves shaking the secretions along with the inhalation, aiding in moving the loosened secretions upwards for easier removal. Choices A, B, and C do not accurately describe the main difference between chest percussion and vibration, making them incorrect.
4. A nurse is caring for a client who is well-hydrated and who demonstrates no evidence of anemia. Which of the following laboratory values gives the nurse an assessment of the adequacy of the client's protein uptake and synthesis?
- A. Albumin
- B. Calcium
- C. Sodium
- D. Potassium
Correct answer: A
Rationale: The correct answer is Albumin. Albumin is a protein made by the liver and is a key indicator of the body's protein status. Low levels of albumin can indicate inadequate protein intake or synthesis. Choices B, C, and D (Calcium, Sodium, and Potassium) are not direct indicators of protein uptake and synthesis. Calcium is related to bone health, Sodium to fluid balance, and Potassium to nerve and muscle function.
5. The nurse understands that malnutrition is a prevalent issue among hospitalized individuals. What is it commonly associated with?
- A. Decreased health care expenses
- B. Elevated blood pressure
- C. Decreased mortality rates
- D. A compromised immune system
Correct answer: D
Rationale: Malnutrition is often associated with a weakened immune system. This is because when the body is not sufficiently nourished, it lacks the necessary nutrients to maintain a well-functioning immune system, making patients more vulnerable to infections and other health complications. This can potentially increase mortality rates and prolong hospital stays, contrary to choice C. Choices A and B are incorrect as malnutrition does not lead to decreased health care costs or high blood pressure. In fact, it may increase health care costs due to the potential for increased complications and extended hospital stays.
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