Bio 2050 - Anatomy and Physiology » Fall 2022 » Nervous sys. part 1 quiz
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Question #1
Where are synapticknobs located?
A.
At the ends of dendrites
B.
Within the cell body
C.
At the axon hillock
D.
Along axon collaterals
E.
At the distal ends of an axons
Question #2
Chemically gated ion channels are mainly found in the ________ segment of a neuron.
A.
transmissive
B.
initial
C.
conductive
D.
receptive
Question #3
Which is not characteristic of neurons?
A.
High metabolic rate
B.
Require continuous supplies of glucose and oxygen
C.
No exceptions; all of these are characteristic of neurons.
D.
High mitotic rate
E.
Extreme longevity
Question #4
A bipolar neuron has
A.
two dendrites extending from the cell body.
B.
one axon and one dendrite extending from the cell body.
C.
a single short process that extends from the cell body and then splits into a peripheral and a central branch.
D.
two axons extending from the cell body.
Question #5
The type of transport protein that moves a substance down its concentration gradient is a
A.
channel.
B.
pump.
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