The principle force that causes movement of fluid from the tissues into the capillaries is
a. the hydrostatic pressure of the venous blood
b. the hydrostatic pressure of the arterial blood
c. the osmotic pressure created by the plasma proteins
d. the pressure of the lymph in the tissues around the capillaries
e. none of the above
C
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Much of the digestive system relies on the activity of enzymes. The stomach secretions include an enzyme (pepsin) along with HCl to reduce the pH in the stomach to a pH of 2. When the food moves into the small intestine, there are multiple secretions to
raise the pH to 7. How would this pH change affect the activity of the stomach enzyme, pepsin? A) It would increase the activity of pepsin B) It would denature pepsin. C) There would be no change in the activity of pepsin. D) The active site would be increased.
During organogenesis, somites do not give rise to which of the following?
A. Dermis of the skin B. Vertebrae C. Muscles of the trunk D. The spinal cord E. All of the choices are derivatives of somites.
The cranial nerve responsible for movement of the medial rectus, superior rectus, inferior rectus, and inferior oblique muscles is the __________ nerve
A. oculomotor B. trochlear C. abducens D. trigeminal E. hypoglossal
The process of reading an mRNA molecule and synthesizing a protein is known as ________.
Fill in the blank(s) with the appropriate word(s).