Support cells of the brain and spinal cord are called ________.
A. glia
B. fibroblasts
C. mesoderm
D. neurons
E. acinar
Answer: A
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A runner collapses during a race and is examined by a doctor. They have lost the ability to plantar flex at the ankle. Which of the following is probably the injured muscle?
A. Tibialis anterior B. Gastrocnemius C. Biceps femoris D. Semimembranosus
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
All hormones
a. are regulated by the hypothalamus b. initiate synthesis of new proteins c. are secreted by endocrine glands through ducts into the blood d. must combine with specific receptors on the target cells in order to exert their effects e. are eventually inactivated by enzymes in the liver, kidneys, blood, or target cells
Many hours after a meal, alpha (?) cells in the pancreatic islets secrete ________, which ________ blood glucose.
A. glucocorticoids; raises B. insulin; lowers C. glucagon; raises D. glucagon; lowers E. insulin; raises