Deck 9: Nervous System

Question 1

List major organs in each body system

Answer 1

not answered

Question 2

What is the name given to a chemical that transmits a nerve impulse across a synaptic cleft from one neuron to another?

A) Depolarizer
B) Neurotransmitter
C) Cholinesterase
D) Ion

Answer 2

Neurotransmitter

Question 3

Diagram medical terms, labeling the word parts

Answer 3

not answered

Question 4

What is the name of the region of communication between two neurons?

A) Action potential
B) Threshold stimulus
C) Synapse
D) Internet

Question 5

Gray matter is made up of

A) Neuron cell bodies and unmyelinated fibers
B) Collagenous fibers
C) Myelinated fibers
D) Ganglia and unmyelinated fibers

Question 6

What are the two main divisions of the nervous system (NS)?

A) Sympathetic NS and parasympathetic NS
B) Brain and spinal cord
C) Central NS and peripheral NS
D) Somatic NS and autonomic NS

Question 7

Identify body systems

Question 8

Medical Terminology

Question 9

Anatomy and Physiology

Question 10

Which of the following is NOT a characteristic of neuroglia?

A) They support and protect neurons.
B) They nourish neurons.
C) They conduct nerve impulses.
D) They are capable of mitosis.

Question 11

Describe structural organization of the human of the human body

Question 12

Which of the following is NOT an example of reflexes?

A) Coughing
B) Reaction to pain stimuli
C) Sneezing
D) Chewing

Question 13

What makes up the central nervous system?

A) Reflex arcs
B) Brain and spinal cord
C) Cranial nerves and spinal nerves
D) Somatic nervous system and autonomic nervous system

Question 14

What makes up a neuron?

A) Neuroglia
B) Axon and dendrites
C) Cell body, dendrites, and axon
D) Schwann cells

Question 15

A myelin sheath is formed around axons within the central nervous system by

A) Microglia
B) Schwann cells
C) Astrocytes
D) Oligodendrocytes

Question 16

What are the meninges?

A) Fluid-filled cavities in the brain
B) Membranes that surround the brain and spinal cord
C) Fissures that separate the lobes of the brain
D) Protrusions on the surface of the brain

Question 17

Describe the normal function of each body system

Question 18

The function of a neuron is to

A) Transmit nerve impulses
B) Synthesize myelin
C) Regenerate nerve fibers
D) Protect nerves from damage
E) All of the above

Question 19

Define both medical terms and abbreviations related to all body systems

Question 20

What type of neurons carry impulses from sense receptors to the central nervous system?

A) Interneurons
B) Sensory neurons
C) Efferent neurons
D) Motor neurons

Question 21

Which of the following is an advantage of a spinal reflex if you touch a hot stove?

A) It prevents you from touching the stove again.
B) It allows you to heal faster.
C) It makes you forget about the pain.
D) It allows you to withdraw the affected part before you are aware of pain.

Question 22

Which of the following is NOT a lobe of the cerebrum?

A) Parietal
B) Cerebellum
C) Temporal
D) Frontal

Question 23

What is the band of white fibers that connects the cerebral hemispheres?

A) Insula
B) Vermis
C) Corpus callosum
D) Arbor vitae

Question 24

Which of the following divides the cerebrum into two hemispheres?

A) Transverse fissure
B) Central sulcus
C) Longitudinal fissure
D) Sagittal sulcus

Question 25

Which of the following structures of the meninges is filled with cerebrospinal fluid and contains blood vessels?

A) Subarachnoid space
B) Pia mater
C) Arachnoid
D) Dura mater

Question 26

Which of the following is NOT a function of the hypothalamus?

A) Regulates body temperature
B) Regulates sleep/wake cycles
C) Involved with the onset of puberty
D) Regulates secretions of hormones from the pituitary gland

Question 27

Which of the following is NOT a characteristic of the dura mater?

A) Tightly bound to the brain
B) Outermost layer of the meninges
C) Consists of tough, white fibrous connective tissue
D) Contains sinuses that collect venous blood

Question 28

The peripheral nervous system is made up of

A) Cranial nerves and spinal nerves
B) Effectors and ganglia
C) Cranial nerves and the brain
D) Reflex arcs

Question 29

Which of the following structures does NOT make up the brain stem?

A) Pons
B) Medulla
C) Diencephalon
D) Midbrain

Question 30

The cerebral cortex consists of

A) Gray matter
B) Myelinated nerve fibers
C) White matter
D) Ganglia

Question 31

The spinal cord extends from the base of the skull to the

A) Sacrum
B) First lumbar vertebra
C) Coccyx
D) Fourth lumbar vertebra

Question 32

Which of the following regulates rhythmic cycles in the body?

A) Cerebellar peduncles
B) Pituitary gland
C) Alarm clock
D) Pineal gland

Question 33

Which of the following serves as a relay station for sensory impulses going to the cerebral cortex?

A) Thalamus
B) Infundibulum
C) Epithalamus
D) Cerebral peduncles

Question 34

What is the function of the peripheral nervous system?

A) Provides centers for sight, smell, and hearing
B) Regulates emotional responses
C) Forms conduction tracts between the higher brain centers and spinal cord
D) Provides a communication network between the central nervous system and the body

Question 35

Which of the following functions in body coordination, posture, and balance?

A) Cerebrum
B) Cerebellum
C) Pons
D) Middle ear

Question 36

What is the name of the interconnected fluid-filled cavities in the brain?

A) Central canals
B) Fossa
C) Ventricles
D) Dorsal columns

Question 37

What makes up the white matter of the brain?

A) Unmyelinated fibers
B) Neuron cell bodies
C) Myelinated fibers
D) Gyri

Question 38

Which of the following functions are controlled by the cerebral cortex?

A) Intelligence
B) Language
C) Personality
D) Memory
E) All of the above

Question 39

Which of the following are under control of the medulla?

A) Adjustment of heart rate
B) Regulation of blood pressure
C) Regulation of breathing
D) Vomiting
E) All of the above

Question 40

What is the function of ascending tracts of the spinal cord?

A) Carry sensory impulses from body parts to the brain
B) Carry both sensory and motor impulses to the brain
C) Carry motor impulses from the brain to muscles and glands
D) Make up reflex arcs

Question 41

Which of the following is NOT a characteristic of the autonomic nervous system?

A) It is under involuntary control.
B) It is responsible for conscious body movements.
C) It supplies motor impulses to visceral organs.
D) It is divided into the sympathetic and parasympathetic divisions.

Question 42

Which of the following is NOT a characteristic of the sympathetic division of the autonomic nervous system?

A) Prepares the body for stress
B) Increases activity in the digestive tract
C) Increases blood flow to skeletal muscle
D) Increases heart rate

Question 43

How many pairs of cranial nerves are in the body?

A) 8
B) 10
C) 12
D) 31

Question 44

What is a group of nerve cell bodies located outside the brain?

A) Horn
B) Plexus
C) Ganglia
D) Terminal

Question 45

Nerves that carry both sensory and motor fibers are known as

A) Sensory nerves
B) Motor nerves
C) Mixed nerves
D) Interneurons

Question 46

How many pairs of spinal nerves are in the human body?

A) 9
B) 12
C) 31
D) 206