The anal canal
A. contains tubular glands called crypts.
B. begins at the sigmoid colon and ends at the rectum.
C. contains many goblet cells.
D. has an external sphincter composed of smooth muscle.
E. has an internal sphincter composed of smooth muscle.
Answer: E
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A) subdural space. B) epidural space. C) meningeal layer. D) periosteal layer.
What is cornification?
A. The process of epidermal cells filling with keratin and moving to the surface of the epidermis to form a durable waterproof layer B. The process of the immune system being alerted by the presence of pathogens C. The process of skin pigmentation D. The process of receptors allowing for fine touch
A dog that works every bit of ground and cover is which of the following?
A) feral B) thorough C) staunch D) docile
Which of the following is the proper sequence by which proteins are digested by different enzymes?
A. Pepsin, trypsin, dipeptidase, carboxypeptidase B. Pepsin, trypsin, carboxypeptidase, dipeptidase C. Dipeptidase, carboxypeptidase, pepsin, trypsin D. Trypsin, pepsin, carboxypeptidase, dipeptidase E. Trypsin, pepsin, dipeptidase, carboxypeptidase