after the AV node is stimulated where does the impulse go - ANSWER✅✅✅bundle of His
Alpha effect is what (only one alpha) - ANSWER✅✅✅vasoconstriction
Anemia - ANSWER✅✅✅decrease of the hemoglobin concentration
arteries can either ________ or _________ - ANSWER✅✅✅vasodilation or vasoconstriction
Automaticity - ANSWER✅✅✅heart pumps on its own
baroreceptors regulate what function - ANSWER✅✅✅blood pressure with positional changes
Beta 1 activity is where - ANSWER✅✅✅heart related functions- such as increased heart rate and
strength of contraction
Beta 2 activity is where - ANSWER✅✅✅pulmonary function of bronchiolar dilation (lungs)
Beta effect is what( two beta categories) - ANSWER✅✅✅seen in bigger organs, heart and lungs
blood vessels leading AWAY from the heart are - ANSWER✅✅✅arteries
blood vessels leading TO the heart are - ANSWER✅✅✅veins
bradycardia - ANSWER✅✅✅less than 60
bronchi branch out and become - ANSWER✅✅✅bronchioles and then alveoli
cardiac cycle - ANSWER✅✅✅60-100 beats/minute
, DAANCE Module 1-Basic Sciences
cardiac output - ANSWER✅✅✅total amount of blood pumped by the left ventricle in one minute
closure of the four valves prevents back flow. if valve is damaged then this will be a -
ANSWER✅✅✅heart murmur or mitral valve prolapse
Dead Space - ANSWER✅✅✅-area where gas will not be exchanged
-extends from the pharynx to the bronchioles
-area is 150 cc of volume space
diastolic phase is during what part of the blood flow - ANSWER✅✅✅when the ventricles are relaxed
diastolic pressure measures what - ANSWER✅✅✅the pressure in the arteries during the relaxation
of the ventricles
does the AV node speeds up or slows down the impulse - ANSWER✅✅✅slows down
ectopic pacemakers occur when - ANSWER✅✅✅when the SA node fails- they will be produced and
take over as the pacemaker
epiglottis is what - ANSWER✅✅✅soft tissue valve that covers the larynx. located at the base of the
tongue
facial artery supplies - ANSWER✅✅✅the face- located behind mandible
Flow of Blood through the heart - ANSWER✅✅✅1. right atrium fills with blood
2. contracts- tricuspid valve
3. right ventricle fills with blood
4. contracts- closes tricuspid valve/opens pulmonary valve