DAANCE MODULE 1-7 EXAM|| ACTUAL EXAM
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CNS- Central Nervous System - ANSWER> composed of cerebrum,cerebellum &
Medulla oblongata
PNS-Peripheral Nervous System - ANSWER> Composed of Cranial Nerves
(optic,olfactory,auditory,trigeminal & facial) & spinal nerves
ANS-Autonomic nervous system - ANSWER> divided into sympathetic and
parasympathetic nervous system
cerebrum - ANSWER> thought area of the brain
cerebellum - ANSWER> coordinating motor area of the brain
Medulla oblongata - ANSWER> coordinating region for impluses/seat of
autonomic center
cranial nerves - ANSWER> Optic=sight, olfactory=smell, auditory=hearing,
trigeminal=teeth/jaw, facial=muscles
spinal nerves - ANSWER> motor and sensory nerves that leave various tracts of
the spinal cord and goes to all areas of the body
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sympathetic nervous system - ANSWER> speeds things up "fight or flight" cause
vasoconstriction (vasomotor= vessel movement) increases heart rate
Parasympathetic nervous system - ANSWER> decreased heart rate, blood
pressure, baroreceptores. (in aortic arch, carotid sinus & ventricals increase
parasympahtetic output.)
myocardium - ANSWER> cardiac muscle
Atria - ANSWER> 2 superior chambers of heart that receive blood: Right- oxygen
poor,receives blood from body, Left-oxygen rich, receives blood from lungs via
pulmonary vein
ventricals - ANSWER> 2 chambers of the heart that receive blood from the atria.
Right-sends oxygen poor blood to lungs
Left-sends oxygen rich blood to body& peripheral circulation
arteries - ANSWER> all vessels leading away from the heart (pulmonary artery=
only artery with oxygen poor blood) Coronary artery = supply oxygen nutrients to
the heart)
veins - ANSWER> all vessels leading to the heart
echocardiogram - ANSWER> detects heart murmur or mitral valve prolapse
angina - ANSWER> chest pain from ischemia (reduced 02 supply that weakens
heart cells but doesn't kill them) occurs usually during excretion (resolved by rest
or nitroglycerin)
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systolic - ANSWER> both ventricles contracting
diastolic - ANSWER> both atria contracting
cardiac cycle - ANSWER> short pulse after contraction, usually 60-100 bpm
bradycardia - ANSWER> heart rate below 60bpm
tachycardia - ANSWER> heart rate above 100 bpm
sinoatrial node -SA node - ANSWER> located in the right atrium (sinus rhythm)
hearts conduction system - ANSWER> cac=cardioacceleratory center
cic=cardioinhibitory center
sa=sinoatrial node
stroke volume - ANSWER> amount of blood pumped by the left ventricle (about
60ml)
cardiac output - ANSWER> total amount of blood pumped out of the left ventricle
in one min. ( stroke volume x heart rate=cardiac output)
antecubical space - ANSWER> anterior surface of the elbow between arm and
forearm
cephalic vein - ANSWER> located on the lateral (outer)aspect of forearm
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basilic vein - ANSWER> located on the medial (inner) aspect of the forearm
median cubital vein - ANSWER> the anastomosis (bridge) between cephalic and
basilic vein
dorsal venous plexus vein - ANSWER> located on the back of the hand
pharynx - ANSWER> between nose and trachea
Nasopharynx=above soft palate
oropharynx= between soft palate and epiglottis
laringopharynx= behind larynx
epiglottis - ANSWER> allows air in and out of the lungs while preventing any
food/liquid from entering the lungs
diaphram - ANSWER> dome shaped muscle that separates the chest cavity from
the abdominal cavity. most important muscle in inspiration
erythrocytes - ANSWER> (RBC's) 40% of blood (hemotiocrit)
oxygen capacity - ANSWER> the maximum amount of oxygen a persons blood
can carry
(1.34ml attach to hemoglobin)
Tidal Volume - ANSWER> the amount of air (about 500CC) that is inhaled and
exhaled in normal breathing