Natural Killer (NK) cells
A. are a type of plasma cell.
B. are a type of macrophage.
C. secrete enzymes that kill tumor or virus-infected cells.
D. promote inflammation.
E. are derived from B cells.
Answer: C
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Blood is drained from the liver by the
A) inferior vena cava. B) celiac trunk. C) hepatic vein. D) hepatic portal vein. E) both the hepatic vein and the hepatic portal vein.
What is a main function of the myenteric plexus?
A. It controls glandular secretion of the mucosa. B. It sends sensory information to the CNS through glossopharyngeal nerves. C. It stimulates bile production in the liver. D. It controls glandular secretion of the pancreas. E. It controls peristalsis.
What makes a connective tissue "loose" or "dense"?
A) the viscosity of the ground substance B) the packing or volume of fibers C) the number of phagocytic cells D) the presence or absence of adipose cells E) the number of fibroblasts
The deltoid is a prime mover of arm adduction
Indicate whether the statement is true or false