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PREPARE FOR RIO SALADO BIO 202 EXAM 1 () –
VERIFIED ANSWERS WITH EXPLANATION
Question 1: Which of the following is the primary function of
the mouth in the digestive system?
- Chemical digestion of fats B) Ingestion and mechanical
digestion C) Absorption of nutrients D) Storage of food
CORRECT ANSWER : B) Ingestion and mechanical digestion
Question 2: The pharynx connects the mouth to which part of
the digestive system?
- Small intestine B) Esophagus C) Stomach D) Rectum
CORRECT ANSWER : B) Esophagus
Question 3: What is the primary function of the esophagus?
- To store food B) To absorb nutrients C) To transport food to
the stomach via peristalsis D) To secrete digestive enzymes
CORRECT ANSWER : C) To transport food to the stomach via
peristalsis
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Question 4: The stomach primarily aids digestion by:
- Absorbing nutrients B) Churning food and secreting HCl for
protein digestion C) Breaking down fats D) Absorbing water and electrolytes
CORRECT ANSWER : B) Churning food and secreting HCl for
protein digestion
Question 5: Which part of the digestive system is responsible for
completing digestion and absorbing nutrients?
- Large intestine B) Small intestine (duodenum, jejunum,
ileum) C) Stomach D) Mouth
CORRECT ANSWER : B) Small intestine (duodenum, jejunum,
ileum)
Question 6: What is the main function of the large intestine?
- Absorbing water and compacting waste into feces B)
Digesting proteins C) Storing bile D) Producing digestive enzymes
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CORRECT ANSWER : A) Absorbing water and compacting
waste into feces
Question 7: The rectum is primarily responsible for:
- Absorbing nutrients B) Storing and expelling feces C)
Breaking down carbohydrates D) Secreting bile
CORRECT ANSWER : B) Storing and expelling feces
Question 8: What is the function of the liver in the digestive
system?
- Produces bile for fat emulsification B) Stores bile C)
Produces digestive enzymes D) Absorbs nutrients
CORRECT ANSWER : A) Produces bile for fat emulsification
Question 9: The gallbladder stores and releases:
- Saliva B) Bile C) Pancreatic enzymes D) Gastric acid
CORRECT ANSWER : B) Bile
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Question 10: The pancreas secretes all of the following
EXCEPT:
- Amylase B) Bicarbonate C) Pepsin D) Lipase
CORRECT ANSWER : C) Pepsin
Question 11: What is the process of ingestion in digestion?
- Movement of food through the GI tract B) Physical
breakdown of food C) The intake of food into the mouth D) Nutrient absorption into blood or lymph
CORRECT ANSWER : C) The intake of food into the mouth
Question 12: Which of the following is NOT a function of the
stomach?
- Churning food into chyme B) Secreting hydrochloric acid C)
Absorbing nutrients D) Digestion of proteins