NR 507 WEEK 5 GERD AND
GASTROINTESTINAL ALTERATIONS EXAMPREP
QUESTIONS AND DETAILED SOLUTIONS
◉ What is peristalsis?
Answer: The coordinated, rhythmic contraction and relaxation of
muscles that move food through the digestive tract.
◉ What is the significance of hypertonic solutions in gastric
emptying?
Answer: They tend to delay gastric emptying due to higher osmotic
pressure than surrounding tissues.
◉ What lifestyle changes can alleviate GERD symptoms?
Answer: Diet modification, weight reduction, smoking cessation, and
elevating the head of the bed.
◉ What is the impact of obesity on GERD?
Answer: Obesity slows gastric emptying, increasing the likelihood of
reflux.
◉ How can smoking affect GERD?
,Answer: It can weaken the lower esophageal sphincter, allowing
stomach acid to flow into the esophagus.
◉ What is the role of hormones in the GI tract?
Answer: They regulate digestive activities, including gastric motility
and secretion of digestive substances.
◉ What is the effect of ingesting solids and fats on gastric emptying?
Answer: It takes longer to digest, causing a slower rate of gastric
emptying.
◉ What happens during delayed gastric emptying?
Answer: It extends the period during which reflux can occur and
increases the acid content of chyme.
◉ What is the primary function of swallowing?
Answer: To transport swallowed food and liquids from the mouth to
the stomach.
◉ What are the two types of digestion?
Answer: Mechanical digestion and chemical digestion.
◉ What is mechanical digestion?
,Answer: The physical breakdown of food into smaller particles
through chewing and mixing.
◉ What is chemical digestion?
Answer: The process where enzymes break down complex
molecules into simpler forms.
◉ What enzyme breaks down carbohydrates?
Answer: Amylase.
◉ What enzyme breaks down proteins?
Answer: Proteases.
◉ What enzyme breaks down fats?
Answer: Lipases.
◉ Where does nutrient absorption primarily occur?
Answer: In the small intestine.
◉ What happens to nutrients after absorption?
Answer: They are transported through the bloodstream to various
cells and tissues.
, ◉ Where are nutrients stored in the body?
Answer: Primarily in the liver and adipose tissue.
◉ What is the role of the liver in metabolism?
Answer: Processing nutrients, regulating blood glucose levels, and
metabolizing fats.
◉ What is esophageal stricture?
Answer: The narrowing of the esophagus, leading to difficulty in
swallowing.
◉ What is the lower esophageal sphincter (LES)?
Answer: A muscular ring that prevents backflow of stomach
contents into the esophagus.
◉ What can happen if the LES does not function properly?
Answer: It can lead to gastroesophageal reflux disease (GERD).
◉ What are common risk factors for esophageal stricture?
Answer: Chronic GERD, esophagitis, ingestion of caustic substances,
and radiation therapy.
GASTROINTESTINAL ALTERATIONS EXAMPREP
QUESTIONS AND DETAILED SOLUTIONS
◉ What is peristalsis?
Answer: The coordinated, rhythmic contraction and relaxation of
muscles that move food through the digestive tract.
◉ What is the significance of hypertonic solutions in gastric
emptying?
Answer: They tend to delay gastric emptying due to higher osmotic
pressure than surrounding tissues.
◉ What lifestyle changes can alleviate GERD symptoms?
Answer: Diet modification, weight reduction, smoking cessation, and
elevating the head of the bed.
◉ What is the impact of obesity on GERD?
Answer: Obesity slows gastric emptying, increasing the likelihood of
reflux.
◉ How can smoking affect GERD?
,Answer: It can weaken the lower esophageal sphincter, allowing
stomach acid to flow into the esophagus.
◉ What is the role of hormones in the GI tract?
Answer: They regulate digestive activities, including gastric motility
and secretion of digestive substances.
◉ What is the effect of ingesting solids and fats on gastric emptying?
Answer: It takes longer to digest, causing a slower rate of gastric
emptying.
◉ What happens during delayed gastric emptying?
Answer: It extends the period during which reflux can occur and
increases the acid content of chyme.
◉ What is the primary function of swallowing?
Answer: To transport swallowed food and liquids from the mouth to
the stomach.
◉ What are the two types of digestion?
Answer: Mechanical digestion and chemical digestion.
◉ What is mechanical digestion?
,Answer: The physical breakdown of food into smaller particles
through chewing and mixing.
◉ What is chemical digestion?
Answer: The process where enzymes break down complex
molecules into simpler forms.
◉ What enzyme breaks down carbohydrates?
Answer: Amylase.
◉ What enzyme breaks down proteins?
Answer: Proteases.
◉ What enzyme breaks down fats?
Answer: Lipases.
◉ Where does nutrient absorption primarily occur?
Answer: In the small intestine.
◉ What happens to nutrients after absorption?
Answer: They are transported through the bloodstream to various
cells and tissues.
, ◉ Where are nutrients stored in the body?
Answer: Primarily in the liver and adipose tissue.
◉ What is the role of the liver in metabolism?
Answer: Processing nutrients, regulating blood glucose levels, and
metabolizing fats.
◉ What is esophageal stricture?
Answer: The narrowing of the esophagus, leading to difficulty in
swallowing.
◉ What is the lower esophageal sphincter (LES)?
Answer: A muscular ring that prevents backflow of stomach
contents into the esophagus.
◉ What can happen if the LES does not function properly?
Answer: It can lead to gastroesophageal reflux disease (GERD).
◉ What are common risk factors for esophageal stricture?
Answer: Chronic GERD, esophagitis, ingestion of caustic substances,
and radiation therapy.
