Which region of the digestive tract moves material by peristalsis, haustral churning, and mass movement?
A. Large intestine
B. Small intestine
C. Stomach
D. Esophagus
E. Pharynx
A
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Which labeled structures in the figure are canaliculi?
a) A b) B c) C d) D e) E
Looking at a horse's teeth can help determine the animal's age
Indicate whether the statement is true or false
Microscopic examination of a patient's urine shows the presence of squamous epithelial cells. What is the most likely origin of these cells?
A) urinary bladder B) urethra C) nephrons D) ureters
Curare blocks acetylcholine receptors at the motor end plate. This would result in
A. inability of the muscle fiber to respond to nervous stimulation. B. more acetylcholinesterase production. C. lack of Ca2+ uptake by the muscle fiber. D. increased stimulation of the muscle. E. sustained contraction of the muscle.