Match each of the terms with its definition or description.
-Thin innermost layer of the meninges
A)Pia mater
B)Dura mater
C)Cranial nerves
D)Spinal nerves
E)Arachnoid mater
F)Dermatome
G)Parasympathetic nervous system
H)Sympathetic nervous system
I)Acetylcholine
J)Norepinephrine

Question

Quizplus · Accepted Answer

Pia mater is the thin innermost layer of the meninges that covers the brain and spinal cord.

Answer: B
 Dura mater is the tough outermost layer of the meninges that surrounds and protects the brain and spinal cord.

Answer: C
 Cranial nerves are 12 pairs of nerves that originate in the brain and primarily control functions of the head and neck.

Answer: D
 Spinal nerves are 31 pairs of nerves that arise from the spinal cord and innervate various parts of the body.

Answer: E
 Arachnoid mater is the middle layer of the meninges that surrounds the brain and spinal cord and creates a space filled with cerebrospinal fluid.

Answer: F
 A dermatome is an area of skin that is mainly supplied by a single spinal nerve.

Answer: G
 The parasympathetic nervous system is a branch of the autonomic nervous system that slows down bodily functions and helps conserve energy.

Answer: H
 The sympathetic nervous system is a branch of the autonomic nervous system that prepares the body for "fight or flight" responses to perceived threats.

Answer: I
 Acetylcholine is a neurotransmitter that is involved in muscle control, learning, and memory.

Answer: J
 Norepinephrine (also known as noradrenaline) is a neurotransmitter that is involved in the body's "fight or flight" response and can increase heart rate, blood flow, and alertness.

Match Each of the Terms with Its Definition or Description