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EXAM 1: PNR MED > CH 47- A &P > Flashcards

CH 47- A &P Flashcards

0
Q

Brocas motor speech area

A

Controls movements involved in seeking

Frontal lobe

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1
Q

Weirnickes area

A

Comprehension of speech

In temporal and partial lobe

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2
Q

What is the central cortex?

A

Surface of cerebrum

Compromised of 4 lobes: frontal, parietal, temporal, occipital

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3
Q

What does the FRONTAL LOBE control?

A

Voluntary movement
Emotions
Judgement
Broca’s motor speech (left lobe)

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4
Q

What does the PARIETAL LOBE control?

A

General sensory areas for: cutaneous senses
Conscious muscle movement (propriception)
Taste (gustation)

***where sensations are felt and interpreted

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5
Q

What is the function of the TEMPORAL LOBE?

A

Sensory areas for hearing and olfactory

**wernicke’s area

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6
Q

What is the function of the OCCIPITAL LOBE?

A

Perception and interpretation of sight

Receives impulses from Regina of eyes

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7
Q

What does the Medulla Oblongata do?

A

Regulates: HR, RR, BP

Reflex Centers for: coughing, sneezing, swallowing, vomiting

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8
Q

What does the PONS do?

A

Regulates a normal breathing rhythm (2 centers)

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9
Q

What does the MIDBRAIN do?

A

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

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10
Q

The Cerebellum….

A

regulates posture, balance, movement, muscle coordination

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11
Q

The hypothalamus..

A
  • produces ADH and Oxytocin (stored in posterior pituitary gland)
  • regluates body temp
  • fluid & food intake
  • Integration of functioning of ANS
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12
Q

The THALAMUS functions deal with…

A

integrating sensations

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13
Q

What 2 divisions is the nervous system compromised of?

A

CNS- Brain and spinal cord

PNS- everything else & ANS

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14
Q

What is the difference between CNS and PNS axons?

A

PNS-Schwann cells (neurolemmocytes)
CNS-Oligodendroctes

Both contain myelin sheath-allow impulse to move quickley

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15
Q

At the synapses, the electrical impulse becomes a….

A

chemical impulse

16
Q

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

A

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

17
Q

A SENSORY NEURON can also be called…

A

Afferent

18
Q

A MOTOR NEURON can also be called…

A

EFFERENT

19
Q

Sensory neurons transmit impulses from……

A

receptors to the CNS

20
Q

Motor neurons transmit impulses from…

A

CNS to effectors (muslces, glands)

21
Q

Interneurons transmit…

A

sensory and motor impulses

and integrates functions

22
Q

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

A

8 cervical nerves

-back of head, neck, shoulders, arms, diaphragm

23
Q

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

A

12 thoracic nerves

  • 1 & 2 peripheral nerves of arms
  • trunk of body
24
Q

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

A

5 lumbar nerves

-hips, pelvic cavity, legs

25
Q

Involuntary reflexes

A 
Stretch reflex (patellar)
Flexor reflex (withdrawal)
26
Q

Ventricles are

A

4 cavities within the brain

-Forming cerebrospinal fluid, and circulates with in

27
Q

Meninges are

A

three layers of connective tissue that cover the CNS

28
Q

Dura Mater

A

outer most portion of meninges

29
Q

Arachnoid Mater

A

middle portion of meninges

30
Q

Pia Mater

A

innermost layer of meninges

32
Q

Where is the subarachnoid space located?

A

between the arachnoid mater and pia mater, cerebrospinal fluid circulates

33
Q

What is the ANS?

A 
Autonomic Nervous System
Part of the PNS
2 Divisions:
    -Sympathetic
    -Parasympathetic
34
Q

What are the neurotransmitters of the sympathetic nervous system?

A

Acetylcholine

Norepinephrine

35
Q

The sympathetic nervous system is dominant in…

A

stressful situations

“Fight or flight”

36
Q

The parasympathetic nervous system is dominant in..

A

relaxed, non stressful situations

“rest and digest”

37
Q

What neurotransmitter is in the parasympathetic nervous system?

A

Acetylcholine

38
Q

What are normal effects of aging on the CNS?

A

Decreased:

  • bloodflow to brain
  • acetylocholine (Impaired short term memory)
  • norepinephrine (altered sleep patterns)
  • dopamine (motor function)
  • postural stability (more falls)

EXAM 1: PNR MED (6 decks)

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