What assists the movement of substances by facilitated diffusion?
A) ATP
B) protein carrier or channel
C) lysosomes
D) aquaporins
E) solute pumps
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Question 2) Which mesentery suspends the transverse and sigmoid colons from the posterior body wall?
A) greater omentum
B) mesocolon
C) mesentery proper
D) lesser omentum
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Question 3) What is required for osmosis to occur?
A) pressure gradient
B) solute pump
C) aquaporins
D) sodium-potassium pump
E) vesicles
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Question 4) Which of the following cells produce proteolytic enzymes?
A) hepatocytes
B) pancreatic islets
C) Kupffer cells
D) pancreatic acinar cells
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Question 5) Passive processes that move substances across membranes ________.
A) utilize ATP
B) employ protein pumps
C) transport substances against their concentration gradients
D) do not require ATP
E) include exocytosis and endocytosis
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Question 6) What is the name of the valve that joins the small and large intestine?
A) lower esophageal sphincter
B) internal anal sphincter
C) ileocecal valve
D) pyloric sphincter
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Question 7) By what endocytosis process do some white blood cells engulf bacteria?
A) facilitated diffusion
B) phagocytosis
C) exocytosis
D) pinocytosis
E) filtration
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Question 8) Which of the following is the largest salivary gland?
A) sublingual
B) parotid
C) gastric glands
D) submandibular
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Question 9) The organelle that contains enzymes produced by ribosomes and packaged by the Golgi apparatus is the ________.
A) Golgi apparatus
B) lysosome
C) peroxisome
D) ribosome
E) rough endoplasmic reticulum
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Question 10) The stratified squamous epithelium is located within which of the following layers of the alimentary canal?
A) serosa
B) submucosa
C) mucosa
D) muscularis externa
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