Nervous

Question 1

transmission of an impulse from one neuron to the next is called…

Answer 1

Synaptic transmission

Question 1

Acetycholine and norepinephrine are examples of?

Answer 1

Neurotransmitters

Question 2

What do somatic reflexes involve?

Answer 2

Contraction of skeletal muscles

Question 3

Signals are transmitted from one nerve to another via?

Answer 3

Neurotransmitters

Question 3

Deep grooves in the cerebrum

Answer 3

Fissures

Question 4

The three layers of the meninges.

Answer 4

1. Dura Mater
2. Arachnoid
3. Pia Matter

Question 4

Shallow grooves in the cerebrum

Answer 4

Sulci

Question 5

What are the three parts of the brain stem?

Answer 5

1. Midbrain
2. Pons
3. Medulla Oblongata

Question 6

What are the three main activities of the nervous system?

Answer 6

1. Sensory Functions
2. Integrating Functions
3. Motor Functions

Question 6

What state is a neuron in when it is not being stimulated?

Answer 6

Resting state

Question 7

What is a synapse?

Answer 7

The junction between two neurons or a neuron and a target cell.

Question 7

What is the second largest component of the brain?

Answer 7

Cerebellum

Question 10

what are the two main divisions of the nervous systems

Answer 10

peripheral nervous system (PNS) and the central nervous systems (CNS)

Question 11

what ions are involved in nerve conduction

Answer 11

sodium and potassium

Question 12

which area of the brain is responsible for higher order functions

Answer 12

cerebrum

Question 14

What is the name of the fibers that connects the two halves of the cerebral cortex?

Answer 14

Corpus callosum

Question 16

Which system is voluntary control of skeletal muscles in?

Answer 16

Somatic nervous system

Question 17

The small gaps in the myelin sheath between the glial cells is called?

Answer 17

Nodes of Ranvier

Question 18

What does the cerebellum allows the body to do?

Answer 18

coordinated movement, balance, posture and complex reflexes

Question 19

What is the connection between the rest of the brain and the spinal cord ?

Answer 19

Brain stem

Question 20

What conducts nerve impulses away from the CNS?

Answer 20

Efferent nerves

Question 20

What does the tightly capillary wall and additional glial cell membranes prevents?

Answer 20

drugs, proteins, ions and other molecules from passinf from the blood into the brain

Question 21

What’s the sympathetic nervous system often called

Answer 21

fight or flight system

Question 22

What part of the nervous system that controls smooth muscle, cardiac muscle and endocrine glands automatically without conscious control.

Answer 22

Automatic nervous system

Question 23

Which Cranial nerves are motor nerves

Answer 23

CN III-Oculomotor CN IV-Trochlear CN VI-Abducent CN XI-Accessory CN XII-Hypoglossal

Question 25

Which cranial nerves are both sensory and motor nerves

Answer 25

CN V- Trigeminal CN VII- Facial CN IX-Vestibulocochlear X-Vagus

Question 26

The ________ is often covered by a fatty substance called \_\_\_\_\_\_\_

Answer 26

Axons & myelin

Question 27

What is depolarization?

Answer 27

Refers to the opening of the sodium channesl and the sudden influx of many sodium ions into the cell.

Question 28

\_\_\_\_\_\_ is located in the cell membrane and actively pumps NA out and K ions in to the neuron.

Answer 28

Sodium-potassium pump

Question 29

Where is grey matter located?

Answer 29

Outer layer of the brain and center of the spinal cord

Question 30

What is the withdrawal reflex also called?

Answer 30

Flexor reflex

Question 31

What type of nerve is the Olfactory?

Answer 31

Sensory

Question 32

What is the primary neurotransmitter of the parasympathetic nervous system?

Answer 32

Acetylcholine

Question 34

Where is white matter located?

Answer 34

The outer part of the spinal chord and the inner part of the brain

Question 35

Axons conduct nerve impulses ______ from the cell body toward another neuron or an \_\_\_\_\_\_\_\_\_.

Answer 35

away, effector cell

Question 36

What does cerebrospinal fluid do?

Answer 36

Provides cushioning and may regulate autonomic functions (i.e. respiration, vomiting)

Question 37

The CNS is composed of

Answer 37

the brain, and spinal cord

Question 38

Which neurotransmitter can be either excitatory or inhibitory depending on location

Answer 38

Acetylcholine

Question 39

What do Afferent nerves do

Answer 39

conduct nerve impulses toward the CNS

Question 40

Which cranial nerves are sensory nerves

Answer 40

CN I - Olfactory CN II- Optic VIII-Vestibulocochlear