Nutrition ATI Proctored Exam

Nutrition ATI Proctored Exam Related

Review Nutrition ATI Proctored Exam related questions and content

What is the mechanism that is essential for the absorption of monosaccharides?

  • A. Phosphorylation
  • B. Active transport
  • C. Passive diffusion
  • D. Facilitated diffusion
Correct Answer: B

Rationale: Active transport is the mechanism essential for the absorption of monosaccharides in the intestine. This process requires energy to move molecules against their concentration gradient, allowing for the absorption of monosaccharides efficiently. Phosphorylation, the process of adding a phosphate group to a molecule, is not directly involved in the absorption of monosaccharides. Passive diffusion, a process that does not require energy, is not the primary mechanism for absorbing monosaccharides due to their large size. Facilitated diffusion, a type of passive transport that involves carrier proteins, is not the primary mechanism for monosaccharide absorption, as monosaccharides require active transport for efficient absorption.

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A characteristic of saturated fats is that they are:

  • A. mostly found in animal products.
  • B. solid at room temperature.
  • C. composed of many double bonds.
  • D. found primarily in vegetable products.
Correct Answer: A

Rationale: The correct answer is A: 'mostly found in animal products.' Saturated fats are primarily found in animal products such as meat, dairy, and eggs. They are typically solid at room temperature. Choice B is incorrect because saturated fats are solid at room temperature, not liquid. Choice C is incorrect because saturated fats do not have double bonds; they have single bonds between carbon atoms. Choice D is incorrect because saturated fats are mainly found in animal products, not vegetable products.

Which of the following saturated fats does not contain cholesterol?

  • A. Butter
  • B. Coconut oil
  • C. Eggs
  • D. Fish
Correct Answer: B

Rationale: The correct answer is B, Coconut oil. Coconut oil is a saturated fat derived from plants and does not contain cholesterol, unlike the other options. Butter (choice A) is an animal-derived saturated fat that contains cholesterol. Eggs (choice C) and fish (choice D) also contain cholesterol, making them incorrect choices. Therefore, coconut oil is the only option that is a saturated fat and does not contain cholesterol.

Which chain length of fatty acids is most water-soluble and easily absorbed into the bloodstream?

  • A. Very long.
  • B. Long.
  • C. Medium.
  • D. Short.
Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

A person with lactose intolerance should be most careful to limit their intake of:

  • A. milk
  • B. yogurt
  • C. cheese
  • D. corn syrup
Correct Answer: A

Rationale: Individuals with lactose intolerance lack the enzyme lactase needed to break down lactose, the sugar in dairy products. Milk contains a high amount of lactose, making it crucial for those with lactose intolerance to limit their intake. Yogurt and cheese, on the other hand, have lower lactose content due to the fermentation process which reduces lactose levels, making them better tolerated by many with lactose intolerance. Corn syrup, although high in sugar, does not contain lactose and is unrelated to lactose intolerance. Therefore, the correct answer is 'milk' as it is a significant source of lactose, which can trigger symptoms in individuals with lactose intolerance.

How is resistant starch digested in the colon?

  • A. bacterial fermentation.
  • B. pancreatic amylase.
  • C. hydrochloric acid.
  • D. villi and microvilli.
Correct Answer: A

Rationale: In the colon, resistant starch is digested by bacterial fermentation. The correct answer is A. During this process, short-chain fatty acids are produced. Pancreatic amylase, as mentioned in choice B, is responsible for breaking down starch in the small intestine, not in the colon. Choice C, hydrochloric acid, functions in the stomach to aid in the digestion of proteins, not starch. Villi and microvilli, as stated in choice D, are structures in the small intestine that absorb nutrients; they do not participate in the digestion of resistant starch in the colon.

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