QUIZ #1 FINALS: CNS review

Question 1

▪ Responsible for the sense of smell.

Answer 1

→ CN 1: Olfactory (Sensory)

Question 2

▪ Responsible for vision.

Answer 2

→ CN 2: Optic (Sensory)

Question 3

▪ Controls most eye movements, including raising the eyelids, and pupil constriction.

Answer 3

→ CN 3: Oculomotor (Motor)

Question 4

▪ Controls movement of the superior oblique eye muscle, which helps rotate the eye downward and inward.

Answer 4

→ CN 4: Trochlear (Motor)

Question 5

▪ Sensory for the face and motor for chewing muscles.

Answer 5

→ CN 5: Trigeminal (Both)

Question 6

▪ Controls movement of the lateral rectus muscle of the eye, which helps rotate the eye outward.

Answer 6

→ CN 6: Abducens (Motor)

Question 7

▪ Controls facial expressions and taste sensation.

Answer 7

→ Cn 7: Facial (Both)

Question 8

▪ Responsible for hearing and balance.

Answer 8

→ CN 8: Vestibulocochlear (Sensory)

Question 9

▪ Controls swallowing and taste sensation.

Answer 9

→ CN 9: Glossopharyngeal (Both)

Question 10

▪ Innervates organs in the chest and abdomen, controls involuntary functions heart rate, digestion, and respiration.

Answer 10

→ CN 10: Vagus (Both)

Question 11

▪ Controls movements of the head and shoulders, including shrugging the shoulders and turning the head.

Answer 11

→ CN 11: Accessory (Motor)

Question 12

▪ Controls movements of the tongue.

Answer 12

→ CN 12: Hypoglossal (Motor)

Question 13

❖ Three layers of membranes known as __________ protect the brain and spinal cord.

Answer 13

meninges

Question 14

→ The delicate inner layer is the ________
→ The middle layer is the ______, a web-like structure filled with fluid that cushions the brain.
→ The tough outer layer is called the ______

Answer 14

pia mater.
arachnoid
dura mater.