Which of the following associations is incorrect pertaining to the blood supply of the brain?
A) middle cerebral artery—supplies the lateral surface of the brain
B) anterior communication artery—connects anterior cerebral arteries
C) hemorrhagic stroke—severe headache and stiff neck
D) cerebral arterial circle (circle of Willis)—an anastomosis between the two vertebral and two internal carotid arteries
E) cerebral arterial circle (circle of Willis)—in most cases prevents development of neurological symptoms following acute ischemic stroke
Ans: E
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____________________ is the insufficient circulation of oxygenated blood to cardiac muscle to maintain its aerobic metabolism
Fill in the blank(s) with correct word
Match the stage of interphase with the event(s) that occur(s): G2
A)The cell permanently stops dividing. B)DNA replicates. C)The cell is metabolically active, synthesizing proteins, and growing rapidly. D)Cell division enzymes are synthesized, and the centrioles complete replication.
A local hyperpolarization that makes the membrane potential of the postsynaptic neuron more negative is:
A) a temporal stimulus. B) an excitatory postsynaptic potential (EPSP). C) an inhibitory postsynaptic potential (IPSP). D) a saltatory stimulus.
The frequency of action potentials in a postsynaptic cell is directly related to the degree of depolarization of the postsynaptic cell
Indicate whether the statement is true or false.