TEST 3 - Jan 2020 Flashcards
1
Q
- Where in the brain are most of the sensations of the body actually perceived?(1 )
A
Cortex
2
Q
- How many pairs of spina peripheral nerves (ie coming out of the spinal cord) are there? (1 )
A
31
3
Q
- How many cranial nerves are there? (1 )
A
12
4
Q
- Which is the most important/extensive (arguably) cranial nerve (name and number)? (2 )
A
Somatic and Autonomic
5
Q
- What are the two main FUNCTIONAL (ie referring to the kinds of ‘job’ they do) parts of the somatic nervous system? (1 )
A
Central and peripheral (CNS and PNS)
6
Q
- Give one other word could you could use for somatic Nervous System? (1)
A
Voluntary
7
Q
- ……. and another word for autonomic (1 )
A
Involuntary
8
Q
- Which par of the nervous system ‘deal with’ cardia muscle, smooth muscle, glands and blood vessels? (1 )
A
Autonomic
9
Q
- Do somatic and autonomic neurones (nerve cells) sometimes travel in the same nerve? (1 )
A
Yes
10
Q
- Why does the autonomic nervous system ‘want’ to maintain constant internal environment? (2)
A
Protein enzymes, body chemistry
11
Q
- Do some organs/tissues have both somatic and autonomic nerves attached to them- if so, give an example! (2)
A
Yes
Diaphragm
12
Q
- Under what conditions is the parasympathetic NS dominant? (1 )
A
Unstressful
13
Q
- Under what conditions is the sympathetic NS dominant? (1 )
A
Stressful
14
Q
- What do catabolic reactions do in the body? (1 )
A
Break down large molecules to release energy
15
Q
- From what part of the spinal cord do sympathetic motor neurones emerge? (1 )
A
T1 to L2 / rib area
16
Q
- Do sympathetic motor neurones get to all 31 spinal nerves? (7 )
A
Yes
17
Q
- If the sympathetic NS ‘emerges’ from the middle of the spinal cord, where does the parasympathetic NS ‘emerge’ from? (1 )
A
‘top and bottom’
18
Q
- Specifically, where do parasympathetic motor neurones emerge from? (1 )
A
C 3, 7, 9, 10
S 2, 3, 4
19
Q
- In the parasympathetic NS, where are the joins (synapses) between the pre ganglionic motor neurones and the post ganglionic motor neurones? ( 1)
A
In the target organs
20
Q
- In the parasympathetic NS, are the post ganglionic neurones very long or very short? ( 1 )
A
Very Short
21
Q
- In the parasympathetic NS, up which cranial nerves do the physiological and stretch sensations go? (2)
A
9 + 10
22
Q
- In the parasympathetic NS, through which sympathetic structure do the pain sensations go to get in to the spinal cord? (1 )
A
Sympathetic chain
23
Q
- What is the proper term for ‘the brain of the guts’? (1 )
A
Enteric NS
24
Q
- Does the enteric NS always act entirely independently of the autonomic NS? (1 )
A
No
