ATI LPN
Nutrition For PN Nursing ATI
1. What are probiotics?
- A. Indigestible carbohydrates that promote growth of health-promoting bacteria.
- B. Antibiotics that prevent growth of harmful bacteria.
- C. Nutritional supplements of health-promoting bacteria.
- D. Commercial fiber supplements that have a laxative effect.
Correct answer: C
Rationale: Probiotics are live bacteria that are beneficial for gut health and are often taken as supplements. They are not indigestible carbohydrates (Choice A), antibiotics (Choice B), or commercial fiber supplements (Choice D). Probiotics contain live strains of good bacteria that help maintain a healthy balance in the gut microbiome.
2. The interrelated network of nerves within the gastrointestinal wall that regulates its muscular action is known as the:
- A. gastric nerve plexus.
- B. biliary nerve plexus.
- C. intramural nerve plexus.
- D. intestinal nerve plexus.
Correct answer: C
Rationale: The correct answer is C - intramural nerve plexus. This network of nerves regulates the muscular movements within the gastrointestinal wall. The gastric nerve plexus (choice A) specifically relates to the stomach, not the entire gastrointestinal tract. The biliary nerve plexus (choice B) is associated with the bile ducts and gallbladder, not the regulation of muscular action. The intestinal nerve plexus (choice D) is a general term that doesn't specifically refer to the network of nerves within the gastrointestinal wall.
3. Which term describes the amino acids that are synthesized by the body?
- A. essential amino acids.
- B. nonessential amino acids.
- C. complete amino acids.
- D. incomplete amino acids.
Correct answer: B
Rationale: The correct answer is B: nonessential amino acids. Nonessential amino acids can be synthesized by the body, so they do not need to be obtained through the diet. Essential amino acids, choice A, must be obtained from the diet because the body cannot produce them. Choices C and D, complete and incomplete amino acids respectively, do not accurately describe the classification of amino acids based on synthesis by the body.
4. Which component of fat can be used to make glucose through gluconeogenesis?
- A. Glycogen
- B. Fatty acids
- C. Glycerol
- D. Monoglyceride
Correct answer: C
Rationale: The correct answer is 'Glycerol.' Glycerol, a component of fat, can be converted into glucose through gluconeogenesis. Glycogen (Choice A) is a polysaccharide stored in animals, not a component of fat. Fatty acids (Choice B) are used primarily for energy production through beta-oxidation, not for gluconeogenesis. Monoglyceride (Choice D) is a molecule formed during fat digestion, but it is not the component of fat that can be used to make glucose.
5. The sugar to which all other sugars are converted during human metabolism is:
- A. sucrose
- B. fructose
- C. glucose
- D. maltose
Correct answer: C
Rationale: Glucose is the primary sugar used by the body for energy and is converted from other sugars during metabolism. Sucrose is a disaccharide composed of glucose and fructose, not the end product of sugar metabolism. Fructose is a simple sugar found in fruits but needs to be converted to glucose for cellular energy. Maltose is a disaccharide composed of two glucose units and is not the final product of sugar metabolism in humans.
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