What assists the movement of substances by facilitated diffusion?
A) ATP
B) protein carrier or channel
C) lysosomes
D) aquaporins
E) solute pumps
(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
(Question 3) What is required for osmosis to occur?
A) pressure gradient
B) solute pump
C) aquaporins
D) sodium-potassium pump
E) vesicles
(Question 4) Which of the following cells produce proteolytic enzymes?
A) hepatocytes
B) pancreatic islets
C) Kupffer cells
D) pancreatic acinar cells
(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
(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
(Question 7) By what endocytosis process do some white blood cells engulf bacteria?
A) facilitated diffusion
B) phagocytosis
C) exocytosis
D) pinocytosis
E) filtration
(Question 8) Which of the following is the largest salivary gland?
A) sublingual
B) parotid
C) gastric glands
D) submandibular
(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
(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