Which cells secrete highly alkaline mucus to protect the stomach walls from the hostile environment caused by the acid and digestive enzymes produced in the stomach?
A. Chief cells
B. Endocrine cells
C. Mucous cells
D. Parietal cells
Answer: C
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What is the name of the prominence on the medial surface of the ankle?
A. Tibial tuberosity B. Medial condyle C. Medial malleolus D. Calcaneus E. Head of the fibula
Sympathetic tone is continuous stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction.
Answer the following statement true (T) or false (F)
An advantage to adaptive immunity is ________
A) the use of antibodies that cause cell lysis and kill invading cells B) the ability of its individual cells to respond to many different pathogens C) its memory cells that provide quicker, larger and more efficient immune response upon second exposure to an antigen D) its need for several cells to be activated over several days on first exposure
Which of the following is NOT a function of the liver?
A. Removes poisonous and toxic substances from the blood B. Stores iron and fat-soluble vitamins C. Regulates the amount of cholesterol in the blood D. Produces digestive enzymes