What would be the effect of a drug that blocked muscarinic receptors on the smooth muscle of the iris that regulates the size of the pupil?
A. Blood vessels in the anterior part of the eye would constrict.
B. The pupil would dilate.
C. The eye would focus more clearly on near objects.
D. The eye would focus more clearly on distant objects.
E. The pupil would constrict.
Answer: B
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Which of the following is not a function of epithelial tissue?
A. Selective permeability B. Sensation C. Physical protection D. Secretion E. No exceptions; these are all functions of epithelial tissue.
________ refers to the mass movement of fluid between the blood and the interstitial fluid as the result of ________ or ________ pressure gradients. If the direction of bulk flow is into the capillary, the fluid movement is called ________. If the direction of flow is out of the capillary, the fluid movement is known as ________.
Fill in the blank(s) with the appropriate word(s).
Lymph begins as ________________________________________ fluid that forms between the cells
Fill in the blank(s) with correct word
What is the function of an adhesion junction?
A. To keep cells from pulling apart B. To create an impermeable barrier between cells C. To allow materials to pass from cell to cell D. None apply.