Quiz 1 & 2

Question 1

This is the primary NT related to mood and mood disorders such as clinical depression.

Answer 1

Serotonin

Question 2

This is the inhibitory NT of the spinal cord

Answer 2

Glycine

Question 3

In the brain, this NT is concerned with helping the individual focus on tasks. It also is the flight or fight NT released by sympathetic post-ganglionic neurons in the PNS.

Answer 3

Norepinephrine

Question 4

This opioid like NT decreases the perception of pain.

Answer 4

Endorphin

Question 5

This NT is released in the brains reward system to re-enforce the urge to repeat the activity. Too much may be a factor in schizophrenia and too little causes Parkinson’s.

Answer 5

Dopamine

Question 6

This is the inhibitory NT of the brain. Disruption of its activity is the cause of some epilepsies.

Answer 6

GABA

Question 7

This cannabis-like NT affects mood and plays a role in stimulating appetite and in memory.

Answer 7

Endocannabiniod

Question 8

This is the NT that activates all skeletal muscle fibers, is released by parasympathetic post -ganglionic neurons in the PNS and appears to be the 1st lost in Alzheimer’s disease.

Answer 8

Acetylcholine

Question 9

This is the NT most closely associated with the perception of pain.

Answer 9

Substance P

Question 10

This is the main excitatory NT of the entire CNS and is involved in the formation of memories.

Answer 10

Glutamate

Question 11

This is the trust chemical. It’s role in the brain appears to be concerned with bonding with and trusting others.

Answer 11

Oxytocin

Question 12

This loose bundle of spinal nerves looks like a horse’s tail. A needle can be safely inserted here to get cerebrospinal fluid.

Answer 12

Cauda Equina (4)

Question 13

This plexus produces the phrenic nerve on each side. C345 keep the phrenic nerves alive.

Answer 13

Cervical plexus (9)

Question 14

This plexus produces the arm nerves on each side.

Answer 14

Brachial plexus (11)

Question 15

This plexus produces the sciatic nerve on each side.

Answer 15

Sacral plexus (7)

Question 16

This plexus produces the femoral nerve on each side.

Answer 16

Lumbar plexus (5)

Question 17

This nerve controls the anterior thigh, including the quadriceps muscles.

Answer 17

Femoral nerve (6)

Question 18

This nerve controls the posterior thigh including the hamstrings, and all of the lower leg.

Answer 18

Sciatic nerve (8)

Question 19

The cord floats in this CSF-filled space.

Answer 19

Subarachnoid space (2)

Question 20

There are 31 pairs of these mixed nerves. These are both sensory and motor in function.

Answer 20

Spinal nerve (7)

Question 21

This is the tough mother that is the outer layer of the spinal meninges.

Answer 21

Dura Matter

Question 22

This root has sensory neurons that bring info into cord/CNS.

Answer 22

Dorsal Root (6)

Question 23

This root has motor neurons that exit the cord and supply muscles.

Answer 23

Ventral root (5)

Question 24

This is outside the dura and contains fat to cushion the cord.

Answer 24

Epidural space (1)

Question 25

The portion of the spinal cord that contains unmyelinated neural material.

Answer 25

Grey Matter (3)

Question 26

The portion of the spinal cord that contains myelinated neural material.

Answer 26

White matter (4)