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39 terms

Practical 1 Artery and Vein terms and Heart Physiology

What do the vertebral arteries supply
The circle of willis
What does the internal carotid artery supply
The brain
What does the circle of willis supply
The brain
What does the humeral circumflex supply
The shoulder joint
What does the femoral circumflex supply
Upper thigh
What does the phrenic artery supply
The diaphragm
What does the adrenal arteries supply
The adrenal glands
What does the vertebral veins drain
Circle of willis
What does the cephalic vein drain
Drains the arm into the axillary vein
What does the basilic vein drain
Parts of the hand and forearm
What does the median cubital vein drain
Drains the upper limb
A wave of electrical activity that causes an contraction
A return to a resting state
State of rest
Resting membrane potential
What is the resting membrane potential
-90 mv
What do action potentials control
Both depolarizating and repolarization
When fibers will not contract till it hits a certain point
What does threshold force
What is cardiac cycle
Everything that occurs in one heart beat
What happens during the P wave
Atrial depolarization
What happens during the QRS complex
Ventricular depolarization which will hide the atrial repolarization
What happens during the T wave
Ventricular repolarization
What measures the pulse
Another name for a heart attack
Myocardial infarction
Cardiac tissue death
Gross necrosis
Abnormally high resing heart rate
Abnormally low resting heart rate
What is considered trachycardia
Anything above 100 bpm
What is considered brachycardia
Anything below 50 bpm
Ventricular/Atria contraction
Ventricular/Atria relaxation
Used to monitor the electrical activity occuring in the heart
What happens during the "lubb" portion of a heart beat
The AV valves will close
What happens during the "dupp" portion of a heart beat
Closing of the semilunar valves
Typical blood pressure`
Measures blood pressue
Hears the heartbeat
Sound of the blood
Korotkoff sound
Pacemaker of the heart
SA node