Deck 6: The Brain, Neurons and Nervous Systems

Question 1

The brain and spinal column are:

A) part of the central nervous system.
B) part of the autonomic nervous system.
C) part of the somatic nervous system.
D) part of the peripheral nervous system.

Answer 1

part of the central nervous system.

Question 2

The bottom of the spinal column is called:

A) cervical.
B) lumbar.
C) sacral.
D) thoracic.

Answer 2

sacral.

Question 3

Neurons are made of:

A) cell nucleus, cell body and soma.
B) glia, soma and dendrites.
C) axon, soma and dendrites.
D) cell nucleus, soma and myelin.

Answer 3

axon, soma and dendrites.

Question 4

Nodes of ranvier are:

A) gaps between the myelin sheath.
B) gaps between the dendrites and the soma.
C) gaps between the adjacent neurons.
D) gaps between the cell membrane.

Question 5

The olfactory cranial nerve involves:

A) taste.
B) vision.
C) smell.
D) balance.

Question 6

The synapse is:

A) the gap between two or more neurons.
B) the language that a neuron communicates with another neuron.
C) the type of chemical used in a neuron.
D) the electrical potential between the inside and outside of a neuron.

Question 7

Apoptosis is the process of:

A) neurons being made.
B) neurons reaching maturity.
C) neurons making connections with other neurons.
D) neurons dying.

Question 8

A slice down the middle of the brain, from front to back, is called:

A) the transverse plane.
B) the horizontal plane.
C) the saggital plane.
D) the medial plane.

Question 9

The frontal lobe is next to:

A) the occipital lobe and cerebellum.
B) the parietal lobe and occipital lobe.
C) the parietal lobe and temporal lobe.
D) the parietal lobe and cerebellum.

Question 10

At the peak of the action potential, the neuron is said to be:

A) hyperpolarized.
B) depolarized.
C) megapolarized.
D) superpolarized.

Question 11

At the threshold of excitation:

A) potassium channels open and potassium leaves the cell.
B) sodium channels open and sodium leaves the cell.
C) potassium channels open and potassium enters the cell.
D) sodium channels open and sodium enters the cell.

Question 12

The catecholamines are:

A) dopamine, serotonin and adrenaline.
B) dopamine, indolamine and noradrenaline.
C) dopamine, noradrenaline and adrenaline.
D) dopamine, adrenaline and acetylcholine.

Question 13

The metabolite of serotonin is:

A) DOPAC.
B) MAO.
C) 5-HTP.
D) 5-HIAA.

Question 14

Neurotransmitters are contained in:

A) vesicles.
B) vehicles.
C) mitochondria.
D) nuclei.

Question 15

The sodium potassium pump is responsible for:

A) pumping K + out and Na + into the cell.
B) pumping Na+ out and K+ into the cell.
C) pumping K + and Na + into the cell.
D) pumping K + and Na + out of the cell.

Question 16

Drugs are best classified by their:

A) biological action.
B) chemical structure.
C) behavioural effect.
D) abuse liability.

Question 17

The endocrine system communicates using:

A) electrical synapses.
B) retrograde signalling.
C) hormone release.
D) fast neurotransmission.

Question 18

Which regions of the brain control the endocrine system?

A) Cerebellum and reticular formation
B) Striatum and globus pallidus
C) Pituitary and hypothalamus
D) Hypothalamus and gonads

Question 19

Organizational processes are:

A) when hormones produce a difference in the brain and body.
B) when hormones guide the synaptic communication of neurotransmitters.
C) when hormones activate a particular behaviour.
D) when hormones organize behaviour to achieve an evolutionary goal.