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Assignment 2
Final - K.Cha
Question | Answer |
---|---|
Which membrane receptor acts to directly change ion permeability when stimulated | Gated-channel receptor |
Neurons are the only living cells that maintain a difference in the concentration of ions across their membranes | False |
The magnitude of the action potential peaks when the sodium channels close. | True |
Which of the following statements about amino acid neurotransmitters is incorrect? | They are all inhibitory transmitters |
Which of the following is true to spatial summation? | Neurotransmitters released simultaneously from several presynaptic knobs converge on one postsynaptic neuron. |
Many cerebral functions have typical locations. This fact is known as.... | cerebral localization |
The two main types of adrenergic receptors are | alpha and beta |
Which of the following is not associated with the oculomotor nerve? | Closing and opening of the eye (blink reflex) |
Nerves that innervate the floor of the pelvic cavity and some of the surrounding areas are found in the _____ plexus. | coccygeal |
Where do frequencies--from high to low pitches--cause activity in the hair cells within the cochlear duct? | The apex of the cochlea & between the base and apex of the cochlea |