Quiz about A&P CHPT 12

Question 1

What are three primary function of the nervous system

Accepted Answer

Sensory, integrative, and motor

Answer

Digestion, respiration, and circulation

Answer

Memory, learning, and decision making

Answer

Vision, hearing, and taste

Question 2

what type of fiber carries sensory information

Accepted Answer

Afferent fibers

Answer

Sensory fibers

Answer

Motor fibers

Answer

Efferent fibers

Question 3

what type of fiber carries motor information

Accepted Answer

Efferent fibers

Answer

Afferent fibers

Answer

Sensory fibers

Answer

Interneurons

Question 4

what are two main structure of the central nervous system (CNS)?

Accepted Answer

brain and spinal cord

Answer

stomach and intestines

Answer

liver and kidneys

Answer

heart and lungs

Question 5

what are 2 main nervous systems of the body

Accepted Answer

Central nervous system (CNS) and peripheral nervous system (PNS)

Answer

Brain and spinal cord

Answer

Sympathetic nervous system (SNS) and parasympathetic nervous system (PNS)

Answer

Autonomic nervous system (ANS) and somatic nervous system (SNS)

Question 6

what are the main functions of peripheral nervous system

Accepted Answer

connect central nervous, muscles, glands, and receptors

Answer

Store and retrieve memories

Answer

Produce hormones and enzymes

Answer

Regulate body temperature and blood pressure

Question 7

what nervous system does the cranial and spinal nerves belong to

Accepted Answer

Peripheral and somatic nervous system

Answer

Motor and sensory nervous system

Answer

Sympathetic and parasympathetic nervous system

Answer

Central and autonomic nervous system

Question 8

what are 3 subunits of the PNS

Accepted Answer

somatic nervous system, autonomic nervous system, and enteric nervous system

Answer

central nervous system

Answer

sympathetic nervous system

Answer

parasympathetic nervous system

Question 9

which subunit of the PNS is voluntary

Accepted Answer

Somatic nervous system (SNS)

Answer

Parasympathetic nervous system (PNS)

Answer

Sympathetic nervous system (SNS)

Answer

Autonomic nervous system (ANS)

Question 10

which subunit of PNS is involuntary

Accepted Answer

Autonomic nervous system (ANS)

Answer

Somatic nervous system (SNS)

Answer

Central nervous system (CNS)

Answer

Sympathetic nervous system (SNS)

Question 11

which subunit of PNS is in the guts?

Accepted Answer

Enteric nervous system (ENS)

Answer

Autonomic nervous system (ANS)

Answer

Central nervous system (CNS)

Answer

Peripheral nervous system (PNS)

Question 12

what two components of the somatic nervous system

Accepted Answer

Sensory (afferent) and motor (efferent) division (skeletal muscle)

Answer

Voluntary and involuntary division

Answer

Autonomic and sympathetic division

Answer

Central and peripheral division

Question 13

what are two components of the autonomic nervous system

Accepted Answer

Sensory
Motor (smooth muscle, cardiac muscle, glands)

Answer

Central nervous system and peripheral nervous system

Answer

Sympathetic nervous system and parasympathetic nervous system

Answer

Somatic nervous system and enteric nervous system

Question 14

what can the autonomic nervous system be broken down to

Accepted Answer

sympathetic and parasympathetic nervous systems

Answer

central and peripheral nervous systems

Answer

somatic and autonomic nervous systems

Answer

voluntary and involuntary nervous systems

Question 15

when the body is sympathetic what is going on?

Accepted Answer

The body is in a 'fight or flight' response.

Answer

The body is in a state of deep relaxation

Answer

The body is in a state of deep sleep

Answer

The body is in a state of complete stillness

Question 16

when the body is parasympathetic what is going on?

Accepted Answer

The body is in a relaxed state, conserving energy and promoting digestion.

Answer

The body is in a state of high alert, ready for fight or flight

Answer

The body is in a state of deep sleep, with minimal brain activity

Answer

The body is in a state of intense physical activity, burning a lot of energy

Question 17

what is the nuclei

Accepted Answer

Clusters of cell bodies in CNS

Answer

The nuclei is a type of fruit found in tropical regions

Answer

The nuclei is a type of musical instrument

Answer

The nuclei is the central part of a cell that contains the genetic material.

Question 18

what is the ganglia

Accepted Answer

cluster of cell bodies in PNS

Answer

A term used in computer networking

Answer

A traditional dance from South America

Answer

A type of fruit found in tropical regions

Question 19

what is the tract

Accepted Answer

bundles of axons in the CNS

Answer

A type of musical instrument

Answer

A method of transportation

Answer

A type of clothing fabric

Question 20

What is the nerve

Accepted Answer

A bundle of axons in the PNS

Answer

A form of connective tissue

Answer

A type of muscle tissue

Answer

A type of bone in the body

Question 21

what are the 2 main cells of the nervous system

Accepted Answer

neurons and neurogila cells

Answer

skin cells and hair cells

Answer

muscle cells and bone cells

Answer

red blood cells and white blood cells

Question 22

which main cell type can't regenerate

Accepted Answer

Neurons

Answer

Muscle cells

Answer

Red blood cells

Answer

Skin cells

Question 23

which main cell type is there more of

Accepted Answer

<p>Neuroglia</p>

Answer

White blood cells

Answer

Platelets

Answer

Red blood cells

Question 24

what are the two components of a neuron cell body

Accepted Answer

Nissl bodies
Neurofibrils

Answer

ribosomes and Golgi apparatus

Answer

mitochondria and endoplasmic reticulum

Answer

cell wall and vacuole

Question 25

what are the 4 components of a neuron axon

Accepted Answer

axon hillock, axon collateral, axon terminals, synaptic end bulbs

Answer

neurotransmitters, synaptic cleft, soma, dendrites

Answer

cell body, dendrites, neurotransmitters, glial cells

Answer

dendrites, synapse, soma, nucleus

Question 26

between what two structures is there the greatest chance for an action potential to occur

Accepted Answer

axon hillock and initial segment of the axon

Answer

dendrite and cell body

Answer

axon and dendrite

Answer

axon terminal and synaptic cleft

Question 27

what area is the greatest chance for an action potential to occur

Accepted Answer

trigger zone

Answer

Cell body

Answer

Dendrites

Answer

Axon terminal

Question 28

what are the structural classifications of a neuron

Accepted Answer

Multipolar, bipolar, and unipolar

Answer

A, B, C

Answer

Round, square, triangular

Answer

Positive, negative, neutral

Question 29

what structural classification of a neuron is the rarest

Accepted Answer

Bipolar neuron

Answer

Unipolar neuron

Answer

Anaxonic neuron

Answer

Multipolar neuron

Question 30

which structural classification of a neuron is typically used for motor

Accepted Answer

Multipolar neuron

Answer

Bipolar neuron

Answer

Unipolar neuron

Answer

Pseudounipolar neuron

Question 31

what structural classification of a neuron is used for sensory

Accepted Answer

Unipolar neuron

Answer

Motor neuron

Answer

Bipolar neuron

Answer

Multipolar neuron

Question 32

what are the functional classifications of neuron

Accepted Answer

Sensory (afferent), motor (efferent), and association (interneuron)

Answer

Visual neurons, auditory neurons, and olfactory neurons

Answer

Central neurons, peripheral neurons, and autonomic neurons

Answer

Excitatory neurons, inhibitory neurons, and modulatory neurons

Question 33

what are the neuroglia of the CNS

Accepted Answer

Schwann cells, Satellite cells

Answer

keratinocytes, melanocytes, fibroblasts, and adipocytes

Answer

myelin sheath

Answer

astrocytes, oligodendrocytes, microglia, and ependymal cells

Question 34

what are astrocytes associated with

Accepted Answer

blood-brain barrier

Answer

Storing and releasing neurotransmitters in the brain

Answer

Regulating blood pressure in the circulatory system

Answer

Producing insulin in the pancreas

Question 35

what are oligodendrocytes associated with

Accepted Answer

Myelin sheath

Answer

Hemoglobin production in the bone marrow

Answer

Adrenaline production in the adrenal glands

Answer

Insulin production in the pancreas

Question 36

what are microbial associated with

Accepted Answer

phagocytic cells

Answer

energy production

Answer

environmental sustainability

Answer

food preservation

Question 37

What are the states of a K+ voltage-gated channel?

Accepted Answer

Open,

Closed

Answer

Closed
Open
Inactivated

Question 38

What are the states of a Na+ voltage-gated channel?

Accepted Answer

closed, open, and inactivated

Answer

activated, deactivated, resting

Answer

on, off, standby

Answer

active, passive, dormant

Question 39

What is threshold for a neuron action potential?

Accepted Answer

-55 millivolts

Answer

-30 millivolts

Answer

-40 millivolts

Answer

-70 millivolts

Question 40

what does it mean when an action potential is all or nothing?

Accepted Answer

It reaches threshold and is the same size and amplitude or it doesn't meet threshold and it dies out

Answer

It means that the action potential will always be of different magnitudes

Answer

It means that the action potential will occur only if the stimulus is weak

Answer

It means that the action potential will occur continuously without any threshold

Question 41

what are the ependymal cells associated with

Accepted Answer

Cerebrospinal fluid

Answer

Bone formation

Answer

Muscle contraction

Answer

Blood clotting

Question 42

what are Schwann cells associate with?

Accepted Answer

myelin sheath

Answer

Muscular system

Answer

Endocrine system

Answer

Central nervous system

Question 43

What are satellite cells associated with?

Accepted Answer

Structural support

Answer

Brain function

Answer

Digestive system

Answer

Respiratory system

Question 44

What is depolarization?

Accepted Answer

membrane becomes more positive

Answer

Increase in blood pressure

Answer

Formation of a blood clot

Answer

Decrease in heart rate

Question 45

What are the basic steps of an action potential

Accepted Answer

Impulse (action potential)
Depolarization
Repolarization
Hyperpolarization

Answer

Activation, Inhibition, Excitation, Desensitization

Answer

Initiation, Termination, Amplification, Attenuation

Answer

Contraction, Relaxation, Extension, Flexion

Question 46

What is the myelin sheath?

Accepted Answer

Multi-layered lipid/protein sheath that insulates axons

Answer

A type of bone structure

Answer

A type of muscle tissue

Answer

A layer of skin

Question 47

What is the purpose of the myelin sheath?

Accepted Answer

increase speed of nerve impulse conduction

Answer

The purpose of the myelin sheath is to regulate body temperature.

Answer

The purpose of the myelin sheath is to produce hormones for the nervous system.

Answer

The purpose of the myelin sheath is to store nutrients for the nerve cells.

Question 48

What are the spaces between myelin sheath that are jumped over?

Accepted Answer

Nodes of Ranvier

Answer

Spaces of Space

Answer

Gaps of Gaps

Answer

Gaps of Myelin

Question 49

When are the Na+ channels inactivated?

Accepted Answer

Right before and right after the peak

Answer

Only in the presence of calcium ions.

Answer

At rest, before the action potential begins.

Answer

During the repolarization phase of the action potential.

Question 50

What is multiple sclerosis?

Accepted Answer

Myelin sheath is deteriorating in the CNS

Answer

Multiple sclerosis is a type of skin condition

Answer

Multiple sclerosis is caused by a bacterial infection

Answer

Multiple sclerosis is a form of cancer

Question 51

What are the four types of ion channels?

Accepted Answer

voltage-gated ion channels, ligand-gated ion channels, mechanically-gated ion channels, and leak channels

Answer

temperature-gated ion channels

Answer

light-gated ion channels

Answer

size-gated ion channels

Question 52

When are the Na+ channels open?

Accepted Answer

In response to a depolarization of the cell membrane.

Answer

In response to a hyperpolarization of the cell membrane

Answer

When the cell is at rest

Answer

When the cell is undergoing repolarization

Question 53

What is resting membrane potential?

Accepted Answer

It is the electrical potential difference across membrane

Answer

It is the movement of ions across the plasma membrane of a cell at rest.

Answer

It is the production of ATP in a resting cell.

Answer

It is the process of cell division during rest.

Question 54

What is the resting membrane potential in millivolts?

Accepted Answer

-70 millivolts

Answer

-50 millivolts

Answer

-30 millivolts

Answer

-90 millivolts

Question 55

What makes a neuron polarized?

Accepted Answer

Inside of the cell is more negative than the outside

Answer

Size of the cell body

Answer

Number of dendrites

Answer

Presence of neurotransmitters

Question 56

What are some characteristics of a graded potential?

Accepted Answer

Localized
Graded (small stimuli=small response)
Decremental
Summate.

Answer

Are not affected by neurotransmitters

Answer

Always result in action potential

Answer

Long-distance changes in membrane potential

Question 57

What is hyperpolarization?

Accepted Answer

Membrane becomes more negative

Answer

No change in the membrane potential of a cell.

Answer

The process of a cell becoming more resistant to stimuli.

Answer

Decrease in the membrane potential of a cell, making it more positive than the resting potential.

Question 58

Where is there a high concentration of Na+ and Cl- ions?

Accepted Answer

Extracellular fluid

Answer

In the lungs

Answer

In the bones

Answer

Intracellular fluid

Question 59

Where is there a high concentration of K+ ions?

Accepted Answer

Inside the cells of the body (cytosol)

Answer

In the stomach

Answer

In the bones

Answer

In the lungs

Question 60

What factors contribute to the negative potential in a resting cell?

Accepted Answer

Leak channels are more permeable for K+ than Na+
Sodium potassium pump pumps 3 Na+ out and 2 K+ in

Answer

Low permeability of the cell membrane to ions

Answer

Equal distribution of ions across the cell membrane

Answer

High concentration of ATP inside the cell

Question 61

When are leakage channels used?

Accepted Answer

To maintain a resting membrane potential in cells.

Answer

To increase the action potential in cells.

Answer

To regulate the release of neurotransmitters.

Answer

To prevent the movement of ions across the cell membrane.

Question 62

what channels are used during a graded potential?

Accepted Answer

Ligand-gated or mechanically-gated ion channels

Answer

Chemically-gated ion channels

Answer

Thermally-gated ion channels

Answer

Voltage-gated ion channels

Question 63

What is the membrane potential at its peak?

Accepted Answer

+30 to +40 millivolts

Answer

+50 to +60 millivolts

Answer

0 to +10 millivolts

Answer

-30 to -40 millivolts

Question 64

What is the absolute refractory period and when does it occur?

Accepted Answer

The cell can't produce another action potential at all
Occurs during depolarization

Answer

The absolute refractory period occurs during the peak of the action potential.

Answer

The absolute refractory period occurs during the resting phase of the action potential.

Answer

The absolute refractory period occurs during the hyperpolarization phase of the action potential.

A&P CHPT 12

81 questions

What are three primary function of the nervous system

what type of fiber carries sensory information

what type of fiber carries motor information

what are two main structure of the central nervous system (CNS)?

what are 2 main nervous systems of the body

what are the main functions of peripheral nervous system

what nervous system does the cranial and spinal nerves belong to

what are 3 subunits of the PNS

which subunit of the PNS is voluntary

which subunit of PNS is involuntary

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