Nokea
Which organ in the digestive system absorbs the most water from food?
- A. esophagus
- B. large intestine
- C. small intestine
- D. stomach
Correct Answer: B
Rationale: The large intestine absorbs the most water from food, turning chyme into solid waste.
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The break down products of fat molecules can pass directly through the cell membrane. Why?
- A. Fats are soluble in the membrane because the membrane is made of phospholipids
- B. Fats pass through via a protein pump
- C. Fats pass through via a protein channel
- D. Fats are transported through with a special device called a transporter
Correct Answer: A
Rationale: Fat breakdown products (fatty acids and glycerol) are lipid-soluble and can diffuse through the phospholipid bilayer of cell membranes.
Match: Duodenum
- A. initial section of the small intestine where most chemical digestion occurs
- B. stores bile
- C. secretes insulin
- D. absorbs water
Correct Answer: A
Rationale: The duodenum is the first part of the small intestine where most chemical digestion takes place.
Amylase in saliva initiates digestion of:
- A. lipids
- B. proteins
- C. fats
- D. carbohydrates
Correct Answer: D
Rationale: Salivary amylase breaks down carbohydrates into simpler sugars.
Which of the following is not a source of protein?
- A. broccoli
- B. red meat
- C. beans
- D. rice
Correct Answer: A
Rationale: Broccoli contains some protein but is primarily a source of vitamins and fiber, not a primary protein source like meat or beans.
Using the figure shown, indicate in which location would a client with an inflamed appendix likely have pain and tenderness?
- A. Right lower quadrant
- B. Left lower quadrant
- C. Right upper quadrant
- D. Left upper quadrant
Correct Answer: A
Rationale: The appendix is located in the right lower quadrant, where appendicitis pain is typically felt.