Lecture 16A Flashcards
Blood first goes here in the heart
The right atrium from the superior vena cava
Once blood leaves the right atrium, it…
Moves to the right ventricle through the tricuspid valve
Once blood leaves the right ventricle, it…
Moves to the pulmonary artery and goes to the lungs where gas exchange happens
Once blood leaves the lungs, it…
Is returned to the heart via the pulmonary vein and in the left atrium
Once blood leaves the left atrium, it…
Moves to the left ventricle through the mitral valve
True or false: if there is vasoconstriction, the blood pressure will be low
False
Systole is the…
Contraction or ejection phase
Diastole is…
The relaxation or filling phase
The “lub” or S1 sound is heard when…
The AV valves close
The “dub” or S2 sound is heard when…
The semilunar valves close
The atrioventricular valves include the…
Tricuspid and mitral (bicuspid) valves
The semilunar valves include the…
Pulmonic and aortic valves
Bradycardia in a dog and cat is…
Dog=<60 bpm; cat= <60 bpm
Tachycardia in a dog and cat is…
Dog= >180 bpm; cat= >240 bpm
True or false: a grade IV murmur is a loud murmur with a cardiac thrill
False; a grade V murmur contains a cardiac thrill
Cardiac thrill
Server palpable murmur
Cardiac output
Amount of blood pumped from the left ventricle per minute
Maintaining cardiac output is done by _____, _____, or _____
Contractility, preload, or afterload
One way the heart responds to a decrease in CO is by…
Increasing the heart rate
Another way the heart responds to a decrease in CO is by…
Increasing the stroke volume
In RAAS, renin converts _______ into _______ _, then converts that into _______ _ by ACE
angiotensinogen; angiotensinogen 1; angiotensinogen 2
ACE stands for…
Angiotensin converting enzyme
Angiotensin 2 causes ______ and stimulates the adrenal glands to release ______
Vasoconstriction; aldosterone
Left sided heart failure results in…
Pulmonary edema
Right sided heart failure results in…
Ascites and/or abdominal effusion
