Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Daance > Overview 1 > Flashcards

Overview 1 Flashcards

(76 cards)

Start Studying
1
Q

What are the subdivisions of the nervous system?

A

Central Nervous System, Peripheral Nervous System, Autonomic Nervous System

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

Cells of the nervous system, that conduct nerve impulses…

A

Neurons

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

The nerve’s threshold of stimulus…

A

Action potential

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

A junction between two neurons…

A

Synapse

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

A reversal of charge across the neuronal membrane caused by the movement of positively and negatively charged ions through ion channels… (a reversal of the state of electrical charge of conducting fiber)

A

Depolarization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Reestablishment of the normal distribution of charge across the neuronal membrane… (a return of the initial state of the electrical charge)

A

Repolarization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A chemical substance that crosses the synaptic cleft and activates opening of ion channels in the postsynaptic nerve, and thereby enables the nerve impulse to pass from one nerve to the next…

A

Neurotransmitter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Specialized sites on ion channels to which natural neurotransmitter substances or drugs attach…

A

Receptor sites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The Central Nervous System consists of…

A

Cerebral cortex, Core of Brain, Cerebellum, Brainstem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Peripheral Nervous System consists of…

A

Nerves that carry impulses away from the CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How many cranial nerves are there?

A

12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which nerve allows one to see?

A

Optic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which nerve allows one to smell?

A

Olfactory nerve

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

Which nerve allows one to hear?

A

Auditory nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What nerve supplies sensation to the teeth and jaws?

A

Trigeminal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the muscles responsible for jaw movement during chewing?

A

Muscles of mastication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which nerve allows one to smile, frown, wink, etc?

A

Facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the components of the Autonomic Nervous System?

A

Sympathetic, Parasympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does the sympathetic nervous system exert?

A

Norepinephrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What does the parasympathetic nervous system exert?

A

Acetylcholine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The actions of the parasympathetic nervous system are…

A

Cholinergic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The receptors that play an essential role in regulation of blood pressure with positional changes…

A

Baroreceptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

When atropine is administered it blocks…

A

Acetylcholine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Organ made up of a specialized type of muscle, that contracts on its own…

A

Myocardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
2 upper chambers of the heart...
Atria
26
2 lower chambers of the heart....
Ventricles
27
All vessels leading away from the heart are called...
Arteries
28
All vessels leading to the heart are called...
Veins
29
The only artery that carries oxygen-depleted blood...
Pulmonary artery
30
The right side of the heart is filled with...
Deoxygenated blood
31
The left side of the heart is filled with...
Oxygenated blood
32
The definitive test for valve function is...
Echocardiogram
33
Death of cells is called...
Ischemia
34
What decreases blood flow, constricting arterioles?
Vasoconstriction
35
What increases blood flow, dilation of a vessel?
Vasodilation
36
The phase when the heart's pumping action forces blood into ventricles, causing the the ventricle to expand...
Diastolic phase
37
The phase of the heart's pumping action when the ventricles contract, forcing blood to lungs or peripheral circulation...
Systolic phase
38
Normal blood pressure for teens/adults...
< 120/80
39
The amount of blood pumped by the left ventricle in each beat is called...
Stroke volume
40
What is determined by multiplying the stroke volume by the heart rate?
Cardiac output
41
The number of cardiac cycles or heart is...
60-100 beats per minute
42
Any heart rate below 60 beats per minute...
Bradycardia
43
Any heart rate greater than 100 beats per minute...
Tachycardia
44
The hearts rate and rhythm are controlled by...
Cardiac conduction system
45
The hearts rate and rhythm are controlled by...
Cardiac conduction system
46
A microscopic collection of heart muscle fibers where cardiac rhythm originates...
Sinoatrial node (SA node)
47
The sinoatrial (SA) node is also called...
The pacemaker of the heart
48
A heart experiencing a lack of oxygen is called...
Hypoxia
49
What is a reflection of depolarization, which produces the muscular contraction of the atria?
P wave
50
What is a reflection of the activity producing ventricular contraction?
QRS complex
51
What is a reflection of the electrical activity producing ventricular repolarization?
T wave
52
What is clotted or partially clotted blood outside the blood vessel?
Hematoma
53
What is the anterior surface of the elbow between the arm and forearm?
Antecubital fossa
54
What is an inflammation of the vein and can be quite painful?
Phlebitis
55
What is the space between the nasal cavity and the trachea?
Pharynx (throat)
56
What is the portion above the back of the soft palate?
Nasopharynx
57
What lies between the soft palate and epiglottis?
Oropharynx
58
What allows air in and out of the lungs, while preventing food or liquid into the lungs?
Epiglottis
59
What is located directly behind voicebox?
Laryngopharynx
60
What procedure involves the passage of a large needle into the trachea
Cricothyrotomy
61
What are the air sacs that look like small bunches of grapes?
Alveoli
62
What is a dome-shaped muscle that separates the chest cavity from the abdominal cavity?
Diaphragm
63
What percent of blood is made up of red blood cells?
40%
64
What are normal levels of RBC's?
Females (35-45%) Males (42-52%)
65
What is a reduction in the number of RBC in the blood stream?
Anemia
66
What is the percentage of actual oxygen carries compared with the oxygen capacity?
Oxygen saturation
67
What is the area where gases are not exchanged?
Dead space
68
The amount of gas that is inspired or expired during one respiratory cycle...
Tidal volume
69
Where is the rhythm of inspiration and expiration established?
Respiratory center
70
Slower-acting endocrine system relies on chemical messengers...
Hormones
71
Where are the Islets of Langerhans located?
Pancreas
72
Low blood sugar...
Hypoglycemic
73
What are the small glands that sit atop the kidneys bilaterally?
Adrenal glands
74
What is a life-threatening allergic reaction?
Anaphylaxis
75
What is the antibody most frequently associated with allergic reactions?
IgE
76
What is an involuntary spasm of the vocal cords?

Daance (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions