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CEE 1 > Anaphy Quiz 2 (Nervous) > Flashcards

Anaphy Quiz 2 (Nervous) Flashcards

1
Q

Nervous system classifications are based on:

A

▪ Structures (structural classification)
▪ Activities (functional classification)

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2
Q

What consists of the CNS

A
  1. Brain
  2. Spinal Cord

Function:
▪ Integration; command center
▪ Interprets incoming sensory information
▪ Issues outgoing instructions

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3
Q

fibers carry information from
the skin, skeletal muscles, and joints

A

Somatic sensory (afferent)

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3
Q

carry impulses to and from the brain

A

Cranial nerves

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3
Q

What consists of the PNS

A
  1. Spinal Nerves
  2. Cranial nerves

Function:
Serve as communication lines among sensory organs,
the brain and spinal cord, and glands or muscles

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3
Q

carry impulses to and from the spinal cord

A

Spinal nerves

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3
Q

Nerve fibers that carry information to the central
nervous system

A

Sensory (afferent) division

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4
Q

fibers carry information from
visceral organs

A

Visceral sensory (afferent)

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5
Q

Nerve fibers that carry impulses away from the central
nervous system organs to effector organs

A

Motor (efferent) division

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6
Q

2 Subdivisions of the Motor (efferent) division:

A
  1. Somatic nervous system
  2. Autonomic nervous system
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7
Q

Somatic or Autonomic?

Voluntary

A

Somatic Nervous System

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8
Q

Somatic or Autonomic?

Consciously (voluntarily) controls skeletal muscles

A

Somatic Nervous System

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9
Q

Somatic or Autonomic?

Automatically controls smooth and cardiac muscles and
glands

A

Autonomic Nervous System

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10
Q

Somatic or Autonomic?

Involuntary

A

Autonomic

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11
Q

Autonomic nervous system is further divided into what?

A
  1. Sympathetic Nervous System
  2. Parasympathetic Nervous System
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12
Q

The plasma membrane at rest is inactive or active?

A

Inactive

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13
Q

Major positive ion inside the cell

A

Potassium

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14
Q

Major positive ion outside the cell

A

Sodium

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15
Q

Are there more or fewer positive ions inside the neuron’s plasma than outside?

A

Fewer

As long as the inside of the membrane is more
negative (fewer positive ions) than the outside, the cell
remains inactive

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16
Q

In the resting state which is negative, outside or inside?

A

inside

In the resting state, the
external face of the membrane is slightly positive; its internal
face is slightly negative. The chief extracellular ion is sodium
(Na+), whereas the chief intracellular ion is potassium (K+). The
membrane is relatively impermeable to both ions.

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17
Q

The inward rush of sodium ions

A

Depolarization

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18
Q

A stimulus
changes the permeability of a local “patch” of the membrane,
and sodium ions diffuse rapidly into the cell. This changes the
polarity of the membrane (the inside becomes more positive;
the outside becomes more negative) at that site.

A

Depolarization

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19
Q

What is more positive in depolarization outside or inside?

A

inside

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20
Q

(click lang)

A

Depolarization and generation of an action potential.
If the stimulus is strong enough, depolarization causes
membrane polarity to be completely reversed, and an action
potential is initiated.

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21
Q

Parasympathetic division is also known as?

A

Craniosacral Division

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21
Q

Preganglionic neurons originate in

A

CN 3, 7, 9, 10
S2 -> S4 regions of Spinal Cord

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22
Q

(click lang)

A

4 Propagation of the action potential. Depolarization of the
first membrane patch causes permeability changes in the
adjacent membrane, and the events described in step 2 are
repeated. Thus, the action potential propagates rapidly along the
entire length of the membrane

23
Q

Reporalization: How many sodium ions are pumped outside the cell and how many potassium are returned inside the cell?

24
Q

When action potential reaches axon terminal, the electrical charge opens what channels

25
Q

Sympathetic division is also known as?

A

thoracolumbar division

26
Q

Preganglionic neurons originate from

27
Q

Body organs served by the autonomic nervous
system receive fibers from both divisions except:

A
  1. Blood vessels
  2. Structures of the skin
  3. Some Glands
  4. Adrenal Medulla

These exceptions receive only sympathetic fibers

28
Q

Parasympathetic fibers release?

A

Acetylcholine (cholinergic)

29
Q

Sympathetic postganglionic fibers release?

A

Norepinephrine (adrenergic)

30
Q

Preganglionic axons of both divisions release

A

Acetycholine

31
Q

“fight or flight” division

A

Sympathetic

▪ Response to unusual stimulus when emotionally or
physically stressed or threatened
▪ Takes over to increase activities
▪ Remember as the “E” division
▪ Exercise
▪ Excitement
▪ Emergency
▪ Embarrassment

32
Q

“housekeeping” activites

A

Parasympathetic

▪ “Rest-and-digest” system
▪ Conserves energy
▪ Maintains daily necessary body functions
▪ Remember as the “D” division
▪ Digestion
▪ Defecation
▪ Diuresis

33
Q

Sympathetic or Parasympathetic?

Eye Dilation

A

Sympathetic

34
Q

Sympathetic or Parasympathetic?

Eye Constriction

A

Parasympathetic

35
Q

Sympathetic or Parasympathetic?

Glands (except sweat & apocrine) vasoconstriction and slight secretion

A

Sympathetic

36
Q

Sympathetic or Parasympathetic?

Glands (except sweat & apocrine) stimulation of copious secretion

A

Parasympathetic

37
Q

Sympathetic or Parasympathetic?

Sweat glands: Copious Sweating (cholinergic)

A

Sympathetic

38
Q

Sympathetic or Parasympathetic?

Sweat glands: sweating on palms of hands

A

Parasympathetic

39
Q

Sympathetic or Parasympathetic?

Apocrine glands: Thick, odoriferous secretion

A

Sympathetic

40
Q

Sympathetic or Parasympathetic?

Blood vessels: Constricted

A

Sympathetic

41
Q

Sympathetic or Parasympathetic?

Increase rate and force of contraction of Heart

A

Sympathetic

42
Q

Sympathetic or Parasympathetic?

Decrease rate and force of contraction of Heart

A

Parasympathetic

43
Q

Sympathetic or Parasympathetic?

Lungs (Bronchi): Dilated

A

Sympathetic

44
Q

Sympathetic or Parasympathetic?

Lungs (Blood vessels): Dilated

A

Parasympathetic

44
Q

Sympathetic or Parasympathetic?

Lungs (Bronchi): Constricted

A

Parasympathetic

45
Q

Sympathetic or Parasympathetic?

Lungs (Blood vessels): Constricted

A

Sympathetic

46
Q

Sympathetic or Parasympathetic?

Gut (Lumen): Increased peristalsis and tone

A

Parasympathetic

46
Q

Sympathetic or Parasympathetic?

Gut (Lumen): Decreased peristalsis and tone

A

Sympathetic

47
Q

Sympathetic or Parasympathetic?

Gut (Sphincter): Increased tone

A

Sympathetic

47
Q

Sympathetic or Parasympathetic?

Gut (Sphincter): Relaxed

A

Parasympathetic

48
Q

Sympathetic or Parasympathetic?

Liver: Slight glycogen synthesis

A

Parasympathetic

48
Q

Sympathetic or Parasympathetic?

Liver: Glucose released

A

Sympathetic

49
Q

Sympathetic or Parasympathetic?

Gall bladder and bile ducts: Contracted

A

Parasympathetic

50
Q

Sympathetic or Parasympathetic?

Gall bladder and bile ducts: Relaxed

A

Sympathetic

51
Q

Sympathetic or Parasympathetic?

Kidney: Decreased urine output

A

Sympathetic

52
Q

Sympathetic or Parasympathetic?

Kidney: Increased renin secretion

A

Sympathetic

53
Q

Sympathetic or Parasympathetic?

Bladder (Detrusor): Relaxed

A

Sympathetic

54
Q

Sympathetic or Parasympathetic?

Bladder (Detrusor): Contracted

A

Parasympathetic

55
Q

Sympathetic or Parasympathetic?

Bladder (Detrusor): Relaxed

A

Sympathetic

56
Q

Sympathetic or Parasympathetic?

Bladder (Detrusor): Contracted

A

Parasympathetic

57
Q

Sympathetic or Parasympathetic?

Penis Ejaculation

A

Sympathetic

58
Q

Sympathetic or Parasympathetic?

Penis Erection

A

Parasympathetic

CEE 1 (12 decks)

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