The hollow space inside of the digestive tract is the ________.
A. mesentery
B. goblet
C. lumen
D. peristaltic space
Answer: C
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________ anemia is caused by excess RBC destruction.
Fill in the blank(s) with the appropriate word(s).
What is the relationship between ions and myelin that prevents ions from passing through channels?
A. Size: Ions are large in diameter and myelin is much smaller. B. Weight: Ions are light and myelin is much heavier. C. Electrical: Ions have negative charges and myelin has a positive charge. D. Solubility: Ions are water soluble and myelin is a lipid.
Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?
a. cholinergic b. nicotinic c. alpha d. beta-1 e. beta-2
Where are most carbohydrates in the body found?
A. Adipose tissue B. Pancreas glucose C. Muscle glycogen D. Blood glucose E. Liver glycogen