Answer the following statements true (T) or false (F)
1. Sensory neurons are also called efferent neurons.
2. One of the most common types of brain tumors develops from glia cells.
3. Astrocytes produce myelin for the cells of the central nervous system.
4. Microglia help protect the brain by eating microbes that may enter the brain.
5. Oligodendrocytes are important in the formation of the blood brain barrier.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
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A person with type AB blood can successfully receive blood from a person with type
___________ blood. A) all of the above B) O C) B D) A
This figure shows the stomach. What structure does number 3 indicate?
A. Descending colon B. Jejunum C. Ilium D. Esophagus E. Duodenum
Which is not correct regarding the pancreas?
A. It does not begin to secrete its hormones until puberty. B. The majority of cells in the pancreas are pancreatic acini. C. It is located posterior to the stomach, between the small intestine and the spleen. D. It is elongated in shape, spongy, and nodular. E. It is a heterocrine, or mixed, gland.
If a substance is not immunogenic by itself, but initiates an immune reaction when combined with a protein in the body, that substance is called a ________.
Fill in the blank(s) with the appropriate word(s).