ATI RN
ATI Nutrition Proctored Exam
1. Studies suggest that leukoplakia is resolved by excess vitamin A (a fat-soluble vitamin), retinoids, and beta-carotene. Leukoplakia is a white plaque that forms on oral mucous membranes.
- A. Both statements are true.
- B. Both statements are false.
- C. The first statement is true; the second is false.
- D. The first statement is false; the second is true.
Correct answer: B
Rationale: Both statements are false. Studies suggest that leukoplakia, a white plaque that forms on oral mucous membranes, can be resolved by vitamin A, retinoids, and beta-carotene. Despite the potential to resolve leukoplakia, relapse is common. Also pertinent, evidence does not indicate that any of these nutrients prevent malignant transformation. The extract provided clarifies that leukoplakia is a white plaque, not an erythematous lesion, and that vitamin A, retinoids, and beta-carotene can help resolve it.
2. Which of the following statements is false?
- A. People with a vitamin K deficiency experience increased clotting time
- B. The major function of vitamin E is promoting vision
- C. Vitamin D functions as a hormone
- D. Rich sources of beta-carotene include carrots, sweet potatoes, and butternut squash
Correct answer: B
Rationale: The statement that the major function of vitamin E is promoting vision is incorrect. Vitamin E primarily acts as an antioxidant, protecting cells from oxidative damage. Its role is not primarily related to vision, which is a major function of vitamin A. On the other hand, the other options are true. Vitamin K deficiency does indeed lead to increased clotting time, vitamin D functions as a hormone, and carrots, sweet potatoes, and butternut squash are rich sources of beta-carotene.
3. What sensation is used as a gauge so that patients with ileostomy can determine how often their pouch should be drained?
- A. Sensation of taste
- B. Sensation of pressure
- C. Sensation of smell
- D. Urge to defecate
Correct answer: B
Rationale: The correct answer is B: Sensation of pressure. Patients with ileostomy can determine how often their pouch should be drained by feeling the sensation of pressure. This is important as it helps prevent leakage or overflow of the pouch. The sensation of taste (choice A) and smell (choice C) are not typically used as gauges for draining the pouch in ileostomy patients. The urge to defecate (choice D) is not relevant in this context as patients with ileostomy do not pass stool through the rectum.
4. When is infertility said to exist?
- A. When a woman has no uterus
- B. When a woman has no children
- C. When a couple has been trying to conceive for 1 year without success
- D. When a couple has desired a child for 6 months
Correct answer: C
Rationale: Infertility is defined as not being able to get pregnant despite having frequent, unprotected sex for at least a year for most couples. Therefore, the correct answer is C. A, B, and D are incorrect. While having no uterus (choice A) may result in infertility, it is not the sole determining factor. Similarly, not having children (choice B) does not automatically indicate infertility. Lastly, the time frame of 6 months (choice D) is not sufficient to determine infertility; typically, a year of trying without success is required for such a diagnosis.
5. Larry, 55 years old, who is suspected of having colorectal cancer, is admitted to the CI. After taking the history and vital signs the physician does which test as a screening test for colorectal cancer.
- A. Barium enema
- B. Carcinoembryonic antigen
- C. Annual digital rectal examination
- D. Proctosigmoidoscopy
Correct answer: D
Rationale: Understanding the underlying pathology and therapeutic techniques ensures that nursing care is not only reactive but also preventative, reducing the risk of complications.
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