Modules 1-5) Questions with Correct Verified Answers/
Rated A+ Understanding Normal and Clinical Nutrition
10TH Edition
1. What is the primary difference between hunger and appetite?
• A) Hunger is a psychological desire; appetite is a
physiological need
• B) Hunger is the internal drive to eat; appetite is the
external drive that encourages us to find food
• C) Hunger and appetite are identical
• D) Hunger is influenced by emotions; appetite is influenced
by food availability
Answer: B) Hunger is the internal drive to eat; appetite is the
external drive that encourages us to find food
Rationale: Hunger is a physiological need for food driven by
internal signals such as an empty stomach and low blood glucose.
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,Appetite is the psychological desire to eat, often influenced by
external cues like the sight or smell of food . Understanding this
distinction is critical for assessing eating behaviors and planning
nutrition interventions.
2. Which of the following is NOT an accessory organ of the
digestive system?
• A) Liver
• B) Gallbladder
• C) Small intestine
• D) Pancreas
Answer: C) Small intestine
Rationale: The GI tract comprises the series of organs involved in
digestion, while accessory organs such as the liver, gallbladder,
and pancreas aid digestion without being part of the GI tract
itself . The small intestine is part of the GI tract, not an accessory
organ.
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,3. What is the cause of heartburn?
• A) Lack of digestive enzymes
• B) Acid reflux from the stomach
• C) Inflammation of the esophagus
• D) Consumption of high-fiber foods
Answer: B) Acid reflux from the stomach
Rationale: Heartburn occurs when stomach acid flows back into
the esophagus due to a malfunctioning lower esophageal
sphincter, resulting in a burning sensation . This is a common
digestive problem addressed in clinical nutrition.
4. Which sphincter regulates the release of chyme into the small
intestine?
• A) Esophageal sphincter
• B) Pyloric sphincter
• C) Anal sphincter
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, • D) Cardiac sphincter
Answer: B) Pyloric sphincter
Rationale: The esophageal sphincter prevents stomach contents
from flowing back into the esophagus, while the pyloric sphincter
regulates the release of chyme into the small intestine . This is a
key concept in understanding digestion.
5. Enzymes in digestion are an example of which type of
process?
• A) Mechanical digestion
• B) Chemical digestion
• C) Both mechanical and chemical
• D) Neither
Answer: B) Chemical digestion
Rationale: Enzymes are proteins that facilitate chemical reactions,
breaking down food molecules into absorbable nutrients. This is
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