Pretest #2 Questions and Answers

Question 1

What is saltatory conduction?

Answer 1

the method of transmission of an action potential along a myelinated axon

Question 2

The body’s own self-produced “pain killers” are

Answer 2

endorphin and enkephalin

Question 3

Research indicates that Alzheimer’s disease is associated with a deficiency in

Answer 3

acetylcholine

Question 4

The brain and spinal cord compose the

Answer 4

central nervous system

Question 5

Which of the following structures involved in neuronal communication is not technically a part of the neuron?

Answer 5

myelin sheath

Question 6

Incorrectly paired are

Answer 6

ventricular system-hormonal secretions into the blood

Question 7

Phineas Gage experienced a major personality change after a railroad tamping rod went through his skull. This tragic accident alerted scientists to the role in emotions of the

Answer 7

frontal lobe

Question 8

The cerebellum controls which of the following?

Answer 8

motor coordination

Question 9

What causes a neuron’s membrane potential to become more negative than its resting potential?

Answer 9

IPSP

Question 10

What does the “all or none law” describe?

Answer 10

the fixed amplitude of the action potential