Prince George Community College » Biology » Bio 2050 - Anatomy and Physiology » Fall 2022

Question #1

Where are synapticknobs located?

A. Within the cell body

B. At the ends of dendrites

C. At the distal ends of an axons

D. Along axon collaterals

E. At the axon hillock

Question #2

Chemically gated ion channels are mainly found in the ________ segment of a neuron.

A. transmissive

B. receptive

C. initial

D. conductive

Question #3

Which is not characteristic of neurons?

A. High metabolic rate

B. Extreme longevity

C. Require continuous supplies of glucose and oxygen

D. No exceptions; all of these are characteristic of neurons.

E. High mitotic rate

Question #4

A bipolar neuron has

A. a single short process that extends from the cell body and then splits into a peripheral and a central branch.

B. two axons extending from the cell body.

C. two dendrites extending from the cell body.

D. one axon and one dendrite extending from the cell body.

Question #5

The type of transport protein that moves a substance down its concentration gradient is a

A. pump.

B. channel.