ATI RN
ATI Proctored Nutrition Exam
1. Digestible carbs are absorbed as ___ through the small intestinal wall and are delivered to the liver, which releases ___ into the bloodstream.
- A. glucose
- B. monosaccharides
- C. galactose
- D. disaccharides
Correct answer: B
Rationale: Digestible carbohydrates are absorbed as monosaccharides (simple sugars) like glucose, which the liver can release into the bloodstream for energy.
2. Where is Vitamin K synthesized?
- A. by bacteria in the GI tract
- B. by the body by sunlight
- C. deficiency is called beriberi
- D. found in vegetable oils
Correct answer: A
Rationale: Vitamin K is synthesized by bacteria in the gastrointestinal tract. Choice B is incorrect as the synthesis of Vitamin D, not K, can be induced by sunlight exposure. Choice C is incorrect as beriberi is a condition caused by thiamine (Vitamin B1) deficiency, not Vitamin K. Choice D is incorrect as Vitamin E is commonly found in vegetable oils, not Vitamin K.
3. What describes a criterion used to diagnose diabetes?
- A. a plasma glucose concentration of 100 mg/dL or higher after a fast of at least 12 hours
- B. a casual blood sample of 200 mg/dL or higher in a person with classic symptoms
- C. a plasma glucose concentration measured two hours after a 200-gram glucose load is 400 mg/dL or higher
- D. a HbA1C higher than 5 percent
Correct answer: B
Rationale: A casual blood sample of 200 mg/dL or higher in a person with classic symptoms is a diagnostic criterion for diabetes. This choice aligns with the typical clinical presentation of diabetes and is a key diagnostic indicator. Choices A, C, and D do not accurately reflect the established criteria for diagnosing diabetes, making them incorrect. Choice A pertains to a fasting plasma glucose level, Choice C involves a glucose challenge test, and Choice D refers to HbA1C levels, which are used for monitoring blood sugar control over time, not for diagnosing diabetes.
4. A nurse is teaching a parent about appropriate snack choices for her 9-month-old infant. Which of the following food choices should the nurse recommend?
- A. Skim milk
- B. Unsalted popcorn
- C. Graham crackers
- D. Raw carrots
Correct answer: C
Rationale: Graham crackers are an appropriate snack choice for a 9-month-old infant due to their texture and ease of consumption. Skim milk (Choice A) is not recommended for infants under 1 year old due to the potential risk of developing milk allergies. Unsalted popcorn (Choice B) can be a choking hazard for infants. Raw carrots (Choice D) are a potential choking hazard for a 9-month-old infant and may be difficult for them to chew and digest.
5. What is the primary purpose of dietary fiber in the diet?
- A. Improving digestion
- B. Providing energy
- C. Aiding in the absorption of vitamins
- D. Reducing cholesterol
Correct answer: D
Rationale: The primary purpose of dietary fiber in the diet is to reduce cholesterol levels. While it does aid in digestion by promoting regular bowel movements, its main role is in lowering cholesterol. Choice A is partially correct but not the primary purpose. Choice B is incorrect as fiber is not a direct source of energy. Choice C is also incorrect as the primary role of fiber is not in the absorption of vitamins.
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