Which arteries do not form a major portion actual "circle" of the cerebral arterial circle?
a. posterior communicating arteries
b. posterior cerebral arteries
c. anterior communicatin arteries
d. internal carotid arteries
Answer: d. internal carotid arteries
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Which membrane transport process(es) is/are abnormal in people with cystic fibrosis? What is the consequence of the abnormal transport? Which organ systems are affected? How is this disease treated? How long do cystic fibrosis patients normally live? What are some of the possible causes of death related to this disease? What is the cause of cystic fibrosis?
You are walking to school one day when you notice an alien spaceship that has crashed in a nearby field. You and some other physiology students collect samples from the beings inside of the spaceship. First, you collect a liquid sample of what appears to be alien blood so that you can test for the concentration of solutes inside the alien blood cells. You then extract some of these cells, place them in various concentrations of glucose in water, then look at them under the microscope. Below is what happens to the cells when they are placed in various concentrations of glucose:
The thalamus is the single most important control area for regulating the homeostasis of the internal environment.
Answer the following statement true (T) or false (F)
Efferent neurons
a. have their cell bodies outside the central nervous system. b. carry information from the periphery to the central nervous system. c. exist entirely within the central nervous system. d. carry information from the central nervous system to the periphery. e. exist entirely outside the central nervous system.
The ____ is divided into the papillary portion and the reticular portion
a. peridermis b. dermis c. hypodermis d. epidermis