Filters
Question type

Study Flashcards

There is no possibility of damaging the spinal cord below the third lumbar vertebra.

A) True
B) False

Correct Answer

verifed

verified

List and explain the three general functions of the nervous system

Correct Answer

verifed

verified

1. Sensory (input) function-the nervous ...

View Answer

Match the following: -Increases metabolic rate


A) Parasympathetic nervous system
B) Sympathetic nervous system

C) A) and B)
D) undefined

Correct Answer

verifed

verified

The fissure in the brain that separates the two cerebral hemispheres is called the ________.


A) transverse fissure
B) longitudinal fissure
C) sagittal fissure
D) tentorium cerebelli

E) All of the above
F) A) and B)

Correct Answer

verifed

verified

During repolarization, ________ ions are pumped out of the cell.


A) sodium
B) potassium
C) both sodium and potassium
D) calcium

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Cranial nerve X is the vestibulocochlear nerve, its fibers carry sensations of hearing and equilibrium to the brain.

A) True
B) False

Correct Answer

verifed

verified

The gaps between Schwann cells found at regular intervals in peripheral system neurons are called ________.


A) synaptic clefts
B) axon terminals
C) nodes of Ranvier
D) myelin sheaths

E) C) and D)
F) None of the above

Correct Answer

verifed

verified

The ventral rami of the spinal nerves form complex networks of nerves known as a ________.


A) ganglion
B) reflex
C) plexus
D) tract
E) fascicle

F) A) and B)
G) B) and D)

Correct Answer

verifed

verified

The cerebrospinal fluid ________.


A) is secreted by the arachnoid villi
B) enters the four ventricles after filling and circulating through the subarachnoid space
C) is secreted mostly by the ependymal cells lining the brain ventricles
D) is continually formed mostly by the choroid plexuses
E) is identical in composition to whole blood

F) B) and C)
G) B) and E)

Correct Answer

verifed

verified

The ________ is a connective tissue wrapping around fascicles of neuron fibers.


A) epineurium
B) endoneurium
C) perineurium
D) perimysium

E) B) and C)
F) All of the above

Correct Answer

verifed

verified

The blood-brain barrier is formed by ________ junctions that nearly seamlessly bind capillaries in the brain.


A) gap
B) intercalated
C) desmosome
D) tight

E) All of the above
F) None of the above

Correct Answer

verifed

verified

Which of the following is the correct sequence in a typical reflex arc?


A) effector, sensory neuron, integration center, motor neuron, receptor
B) receptor, sensory neuron, integration center, motor neuron, effector
C) effector, motor neuron, integration center, sensory neuron, receptor
D) receptor, motor neuron, integration center, sensory neuron, effector
E) receptor, sensory neuron, motor neuron, integration center, effector

F) C) and D)
G) B) and E)

Correct Answer

verifed

verified

Which of these neuroglial cells forms the myelin sheath in the central nervous system?


A) astrocytes
B) oligodendrocytes
C) Schwann cells
D) ependymal cells
E) satellite cells

F) A) and E)
G) A) and B)

Correct Answer

verifed

verified

Impulse conduction is fastest in neurons that are ________.


A) myelinated
B) unmyelinated
C) sensory
D) motor
E) cerebral

F) B) and E)
G) D) and E)

Correct Answer

verifed

verified

The gap between two communicating neurons is termed ________.


A) synaptic cleft
B) cell body
C) effector
D) Schwann cell
E) node of Ranvier

F) A) and E)
G) A) and B)

Correct Answer

verifed

verified

________ reflexes include the secretion of saliva, changes in the size of our pupils, and digestion involve the activities of smooth muscles.


A) Somatic
B) Voluntary
C) Autonomic
D) Sympathetic

E) A) and B)
F) C) and D)

Correct Answer

verifed

verified

Match the following: -Reticular formation


A) cerebellum
B) brain stem
C) cerebrum
D) diencephalon

E) C) and D)
F) B) and C)

Correct Answer

verifed

verified

Each spinal nerve divides into a dorsal and a ventral ________.


A) ramus
B) tract
C) ganglion
D) plexus

E) A) and D)
F) B) and D)

Correct Answer

verifed

verified

The midbrain, pons, and medulla oblongata are housed in the ________.


A) diencephalon
B) hypothalamus
C) brain stem
D) pineal gland
E) cerebellum

F) A) and D)
G) B) and E)

Correct Answer

verifed

verified

Gray matter contains collections of unmyelinated fibers and cell bodies in the central nervous system.

A) True
B) False

Correct Answer

verifed

verified

Showing 121 - 140 of 161

Related Exams

Show Answer