Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

AEMT Anatomy & Physiology > Brain & Neuro > Flashcards

Brain & Neuro Flashcards

Areas of the Brain, Neurotransmitters, Receptors

1
Q

Branches

of the

Nervous System

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Function of

Alpha1 Sympathetic Receptor

A
  • Constriction of arterioles and veins
  • Pupil dilation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Function of

Alpha2 Sympathetic Receptor

A
  • Vasoconstriction
  • Venoconstriction
  • Hypotension
  • Decreased GI motility
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Function of

Beta1 Sympathetic Receptor

A

In the HEART:

  • Increased HR
  • Increased contractility
  • Increased automaticity
  • Increased conduction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Function of

Beta2 Sympathetic Receptors

A
  • Bronchodilation
  • Vasodilation
  • Inhibition of uterine contractions
  • Skeletal muscle tremors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Function

of

Parasympathetic NS

A
  • Pupil constriction
  • Decrease HR
  • Decrease contractility
  • Decrease BP
  • Bronchoconstriction
  • Increase GI activity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Neurotransmitter

Acetylcholine

A
  • Preganglionic neurotransmitter of sympathetic NS
  • Pre- and postganglionic neurotx of parasympathatic NS
  • Acts at neuromuscular junction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Neurotransmitter

Dopamine

A
  • Affects brain areas responsible for:
    • movement
    • emotions
    • pleasure
  • May play role in addiction
  • Parkinson’s linked to death of dopaminurgic neurons
  • MOA of some antipsychotics and antidepressants
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Neurotransmitter

GABA

Gamma-aminobutyric Acid

A
  • Inhibits CNS activity
  • Deficiency can play role in anxiety & insomnia
  • Benzodiazepine MOA: stimulate GABA receptors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Neurotransmitter

Glutamate

A
  • Plays role in learning and memory
  • May be deficient in Alzheimer’s and acoholic brain damage
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Neurotransmitter

Norepinephrine

A
  • Helps regulate Reticular Activating System (RAS)
  • Excess in amygdala & forebrain may lead to anxiety
  • Reduced activity may play role in depression
  • SNRIs prevent reuptake (Wellbutrin)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Neurotransmitter

Serotonin

A
  • Regulates…
    • mood
    • emotion
    • appetite
    • sleep
  • General feelings of well-being
  • Lack may lead to depression
  • SSRIs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Thalamus

A

Relay and processing centers for sensory information.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Hypothalamus

A
  • Controls emotions, autonomic functions, and hormones
  • Hunger
  • Thirst
  • Temperature
  • Aggression
  • Interacts with pituitary for integration of nervous & endocrine control
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Pituitary Gland

A
  • Release of hypothalamic hormones
  • Secretion of hormones regulating endocrine activity (under hypothalamic control)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Midbrain

A
  • Processing visual and auditory data
  • Involuntary somatic motor responses
  • Maintenance of consciousness
17
Q

Pons

A
  • Relay sensory info to cerebellum and thalamus
  • Involuntary somatic & visceral motor center
18
Q

Medulla Oblongata

A
  • Relays sensory info to thalamus
  • Autonomic center for visceral functions
  • (cardiovascular, respiratory, digestive)
19
Q

Cerebrum

A
  • Conscious thought
  • Intellectual functions
  • Memory storage & processing
  • Involuntary somatic motor patterns
20
Q

Cerebellum

A
  • Muscle tone
  • Coordination of movement
  • Balance and posture
  • Involuntary complex somatic motor patterns
  • Memory of learned motor patterns
  • Adjusts output of other somatic motor centers in brain and spinal cord
21
Q

Frontal Lobe

A
  • Cognition
  • Problem solving
  • Reasoning
  • Learning
  • Judgement
  • Intelligence
  • Personality
22
Q

Temporal Lobe

A
  • Hearing
  • Verbal (left) and Visual (right) memory
23
Q

Parietal Lobe

A
  • Touch
  • Kinesthetic sense
  • Balance
  • Interpretation of sensory information
  • Visuospatial abilities
  • Understanding spoken & written language
24
Q

Occipital Lobe

A
  • Receives and analyzes visual information
25
Q

RAS

Reticular Activating System

A
  • Fibers within the hypothalamus, thalamus, medulla, pons, and midbrain
  • Responsible for maintaining consciousness
  • Relay sensory infor from spinal cord
26
Q

Amygdala

A
  • Part of limbic system
  • Memory formation
  • Emotional reactions

AEMT Anatomy & Physiology (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions