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

Question #1

Where are synapticknobs located?

A. At the axon hillock

B. At the ends of dendrites

C. Along axon collaterals

D. At the distal ends of an axons

E. Within the cell body

Question #2

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

A. initial

B. conductive

C. transmissive

D. receptive

Question #3

Which is not characteristic of neurons?

A. High metabolic rate

B. Extreme longevity

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

D. High mitotic rate

E. Require continuous supplies of glucose and oxygen

Question #4

A bipolar neuron has

A. two axons extending from the cell body.

B. two dendrites extending from the cell body.

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

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

Question #5

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

A. channel.

B. pump.