What makes up the thickest layer of the heart wall that contains contractile cardiac muscle tissue?
What is myocardium
100
Where is the tricuspid AV valve located?
What is right atrium and right ventricle
100
Where is the sinoatrial node is located?
What is the right atrium
100
The volume of blood pumped out by each ventricle with each beat of the heart is called the
What is stroke volume
100
The carotid artery is located in the:
What is neck
200
Which area of the heart receives deoxygenated blood from the body tissues?
What is the right atrium
200
What does the superior vena cava empty (oxygenated/deoxygenated blood) into where?
What is deoxygenated blood into the right atrium
200
What is the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?
What is the sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle (bundle of His), right and left bundle branches, Purkinje fibers
200
What is the path of blood flow within the systemic vascular system?
What is arteries, arterioles, capillary beds, venules, veins
200
What are the different locations for pressure points?
What is the temporal, facial, carotid, brachial, radial, femoral, popliteal, posterior tibial, dorsalis pedis arteries
300
Which major veins carries oxygenated blood to the heart?
What is the pulmonary vein
300
Does the pulmonary vein carry oxygenated or deoxygenated blood?
What is oxygenated blood
300
What is tachycardia?
What is a HR over 100 bpm
300
What happens when there is a decrease in venous return to the heart?
What is a decrease in stroke volume and cardiac output
300
What is the main function of renin and aldosterone?
What is they are produced whenever blood pressure falls and ultimately cause an increase in blood volume and blood pressure
400
What structure divides the left from the right ventricle?
What is interventricular septum
400
The aortic semilunar valve is composed of how many cusp and when does it open?
What is pulmonary vein
400
What is the 1st, 2nd, and 3rd wave formations of in a normal ECG/EKG?
What is P, QRS Complex, T
400
What is the correct sequence going from the outermost to the innermost layer of a blood vessel wall?
What is tunica externa, tunica media, tunica intima
400
What causes varicose veins?
What is defective or worn out valves located in the superficial veins.
500
When the ventricles contract, the bicuspid (mitral) AV valve prevents blood from flowing from where to where?
What is the left ventricle and atrium
500
What are the names of the left and right branches of the nodal system?
What is purkinje fibers
500
A person with a heart rate of 70 beats per minute and a stroke volume of 70 ml per beat has a cardiac output of
What is 4900 ml/min
500
Which structure holds the valves located between the atria and ventricles in place?
What is chordae tendineae
500
What is the average volume of blood pumped during a single contraction of one ventricle?