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Match each term with the correct description: made up of organs that rid your body of wastes and control blood volume
- A. urethra
- B. urinary system
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: The urinary system includes organs that remove wastes and regulate blood volume.
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The following cells are found in gastric glands EXCEPT:
- A. Parietal cells
- B. Goblet cells
- C. Chief cells
- D. Argentaffine cells.
Correct Answer: B
Rationale: Goblet cells are found in the intestines, not gastric glands, which contain parietal, chief, and argentaffin (enteroendocrine) cells.
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.
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.
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.
Which process matches the definition: Thin, tough, outer layer of the alimentary tract, which enables it to move smoothly against other organs?
- A. Mucosa
- B. Submucosa
- C. Muscularis
- D. Serosa
Correct Answer: D
Rationale: The serosa is the outermost layer of the GI tract, allowing smooth movement against adjacent organs.