Answer the following statements true (T) or false (F)
1. The cisterna chyli collects lymph from the lumbar trunks draining the upper limbs and from the intestinal trunk draining the digestive organs.
2. A graft from a monkey to a human is an example of an allograft.
3. The mechanism of the "lethal hit" of cytotoxic T cells and NK cells involves a protein called perforin
4. Cellular ingestion and destruction of particulate matter is called phagocytosis.
5. The respiratory burst produced by some macrophages releases free radicals.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
5. TRUE
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The alimentary canal extends, in its entirety, from
A. the liver to the gallbladder. B. the stomach to the small intestine. C. the mouth to the anus. D. the mouth to the large intestine.
Renin is produced by the ____.
Fill in the blank(s) with the appropriate word(s).
Lysosomes contain enzymes that prepare the vesicles that will be used by the Golgi apparatus to package its secretory products.
Answer the following statement true (T) or false (F)
Which is not a function of plasma proteins?
a. plasma proteins are responsible for the blood colloid osmotic pressure. b. provide a source of readily available amino acids to be utilized by the tissue cells for the synthesis of new tissue proteins. c. antibodies are gamma globulins important in the body's defense mechanism. d. plasma proteins play a role in buffering changes in pH in the body fluids. e. the presence of plasma proteins in the blood is the primary factor responsible for preventing excessive loss of plasma from the capillaries into the interstitial fluid.