deck_2120265

Question 1

What does the Medulla Oblongata do?

Answer 1

Regulates: HR, RR, BPReflex Centers for: coughing, sneezing, swallowing, vomiting

Question 2

What does the PONS do?

Answer 2

Regulates a normal breathing rhythm (2 centers)

Question 3

What does the MIDBRAIN do?

Answer 3

Reflex Center: visual reflexes auditory reflexes keep head upright, balance

Question 4

The Cerebellum….

Answer 4

regulates posture, balance, movement, muscle coordination

Question 5

The hypothalamus..

Answer 5

-produces ADH and Oxytocin (stored in posterior pituitary gland) -regluates body temp-fluid & food intake-Integration of functioning of ANS

Question 6

The THALAMUS functions deal with…

Answer 6

integrating sensations

Question 7

What 2 divisions is the nervous system compromised of?

Answer 7

CNS- Brain and spinal cordPNS- everything else & ANS

Question 8

What is the difference between CNS and PNS axons?

Answer 8

PNS-Schwann cells (neurolemmocytes)CNS-OligodendroctesBoth contain myelin sheath-allow impulse to move quickley

Question 9

At the synapses, the electrical impulse becomes a….

Answer 9

chemical impulse

Question 10

What are the three types of neurons and what system are they classified in? (PNS or CNS)

Answer 10

Sensory (PNS)Motor (PNS)Interneurons (CNS)

Question 11

A SENSORY NEURON can also be called…

Answer 11

Afferent

Question 12

A MOTOR NEURON can also be called…

Answer 12

EFFERENT

Question 13

Sensory neurons transmit impulses from……

Answer 13

receptors to the CNS

Question 14

Motor neurons transmit impulses from…

Answer 14

CNS to effectors (muslces, glands)

Question 15

Interneurons transmit…

Answer 15

sensory and motor impulses and integrates functions

Question 16

How many cervical nerves are there, and what part of the body do they supply?

Answer 16

8 cervical nerves-back of head, neck, shoulders, arms, diaphragm

Question 17

How many thoracic nerves are there, and what part of the body do they supply?

Answer 17

12 thoracic nerves-1 & 2 peripheral nerves of arms-trunk of body

Question 18

How many lumbar nerves are there, and what part of the body do they supply?

Answer 18

5 lumbar nerves-hips, pelvic cavity, legs

Question 19

Involuntary reflexes

Answer 19

Stretch reflex (patellar)Flexor reflex (withdrawal)

Question 20

Ventricles are

Answer 20

4 cavities within the brain -Forming cerebrospinal fluid, and circulates with in

Question 21

Meninges are

Answer 21

three layers of connective tissue that cover the CNS

Question 22

Dura Mater

Answer 22

outer most portion of meninges

Question 23

Arachnoid Mater

Answer 23

middle portion of meninges

Question 24

Pia Mater

Answer 24

innermost layer of meninges

Question 25

Where is the subarachnoid space located?

Answer 25

between the arachnoid mater and pia mater, cerebrospinal fluid circulates