Final 1

1.

1 point

What is not an effect of sympathetic (fight or flight) activation?

Decreased heart rate

Dilation of bronchioles

Decreased peristalsis

Dilation of arteries in skeletal muscles

2.

1 point

What cranial nerves conduct impulses from receptors in the tongue involved in pain?

Olfactory (I) & Hypoglossal (XII)

Vestibulocochlear (VIII) & Optic (II)

Trigeminal (V) & Glossopharyngeal (IX)

Facial (VII) & Vagus (X)

3.

1 point

What cranial nerve conducts impulses that cause the pupil to constrict?

Trigeminal (V)

Olfactory (I)

Facial (VII)

Occulomotor (III)

4.

1 point

What cranial nerve conducts motor impulses to muscles of facial expression?

Optic (II)

Vestibulocochlear (VIII)

Hypoglossal (XII)

Facial (VII)

5.

1 point

What cranial nerve conducts impulses to the sternocleidomastoid and upper trapezius muscles?

Hypoglossal (XII)

Vagus (X)

Glossopharyngeal (IX)

Accessory (XI)

6.

1 point

What cranial nerve is not involved in the sense of taste?

Abducens (VI)

Glossopharyngeal (IX)

Vagus (X)

Facial (VII)

7.

1 point

Where are the cell bodies of preganglionic sympathetic neurons found?

T1 through L2 spinal cord segments

Sympathetic chain ganglia

Brainstem (cranial) and sacral regions of spinal cord

Ganglia close to their effector organs

8.

1 point

What cranial nerve is not involved in swallowing (deglutition)?

Vestibulocochlear (VIII)

Vagus (X)

Glossopharyngeal (IX)

Accessory (XI)

9.

1 point

How many neurons are involved in autonomic pathways from the CNS to an effector?

Three

Two

One

Four

10.

1 point

What effect does parasympathetic (rest & digest) activation bring about?

Increased saliva production

Increased respiratory rate

Increased heart rate

Pupil dilation

11.

1 point

What is the only cranial nerve to extend beyond the head and neck region?

Optic (II)

Vagus (X)

Hypoglossal (XII)

Occulomotor (III)

12.

1 point

Where do most cranial nerves arise?

Brainstem (midbrain, pons, medulla)

Spinal cord

Cerebellum

Cerebrum

13.

1 point

What part of the nervous system is known as the "rest & digest" nervous system?

Autonomic sympathetic

Autonomic parasympathetic

Sensory division

Somatic division

14.

1 point

What cranial nerve is the largest?

Facial (VII)

Vestibulocochlear (VIII)

Trigeminal (V)

Trochlear (VI)

15.

1 point

What cranial nerve innervates the muscle that moves the eyeball down and out to the side?

Occulomotor (III)

Abducens (VI)

Trochlear (IV)

Optic (II)

16.

1 point

Where do preganglionic parasympathetic (rest & digest) neurons arise?

Thoracolumbar region of spinal cord

Cerebral cortex

Brainstem (cranial) and sacral regions of spinal cord

Cerebellum

17.

1 point

What is not a characteristic of the sympathetic (fight or flight) division?

Postganglionic fiber releases adrenaline (NE)

Short preganglionic fibers, long postganglionic fibers

Short lived localized responses

Arises in thoracolumbar region of spinal cord

18.

1 point

What cranial nerve is not involved in eyeball movement?

Trochlear (IV)

Optic (II)

Abducens (VI)

Occulomotor (III)

19.

1 point

What cranial nerve conducts motor impulses for mastication (chewing)?

Optic (II)

Trigeminal (V)

Vestibulocochlear (VIII)

Occulomotor (III)

20.

1 point

What cranial nerve conducts impulses to lacrimal glands?

Trigeminal (V)

Facial (VII)

Occulomotor (III)

Optic (II)

21.

1 point

What cranial nerve conducts sensory impulses for toothache?

Vagus (X)

Trigeminal (V)

Accessory (XI)

Hypoglossal (VII)

22.

1 point

What cranial nerve is involved in balance and equilibrium?

Vestibulocochlear (VIII)

Glossopharyngeal (IX)

Facial (VII)

Vagus (X)

23.

1 point

What is not a characteristic of the parasympathetic (rest & digest) division?

Postganglionic fiber releases ACh

Arises in the brainstem (cranial) and sacral regions of spinal cord

Activated in frightening and dangerous situations

Long preganglionic fibers, short postganglionic fibers

24.

1 point

What cranial nerve does not contain parasympathetic fibers?

Occulomotor (III)

Facial (VII)

Glossopharyngeal (IX)

Abducens (VI)

25.

1 point

What cranial nerve conducts sensory impulses only?

Facial (VII)

Occulomotor (III)

Vagus (X)

Optic (II)