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Irene Gold BOARDS PART 1 PHYSIOLOGY EXAM ANSWERED CORRECTLY!!
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Irene Gold BOARDS PART 1 PHYSIOLOGY EXAM ANSWERED CORRECTLY!!
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Irene Gold BOARDS PART 1PHYSIOLOGY EXAM ANSWERED
CORRECTLY!!
Use Gonsalve's BSR Quizlet for cardiovascular review:
https://quizlet.com/404370313/bsr-q6-week-6-7-gonsalves-cardiovascular-physiology-
part-1-flash-cards/
https://quizlet.com/406764650/bsr-q6-week-7-8-gonsalves-cardiovascular-physiology-
part2-flash-cards/ CORRECT ANSWERS Use Gonsalve's BSR Quizlet for
cardiovascular review:
https://quizlet.com/404370313/bsr-q6-week-6-7-gonsalves-cardiovascular-physiology-
part-1-flash-cards/
https://quizlet.com/406764650/bsr-q6-week-7-8-gonsalves-cardiovascular-physiology-
part2-flash-cards/
What 2 ways can blood enter the heart? CORRECT ANSWERS →Superior vena cava
→Inferior vena cava
Blood enters the heart via SVC and IVC but there is another exception. What is it?
CORRECT ANSWERS Azygous veins
The Azygous vein drains where? CORRECT ANSWERS SVC
What part of the heart is this?
→ P-wave starts at sinoatrial node in crista terminalis
→ impulse travels to AV node CORRECT ANSWERS Right Atrium
What happens when there is a SA node impulse to AV node and delayed (P-R)
interval? CORRECT ANSWERS AV Nodal Delay
What part of the heart is this?
→end of diastole 120ml
→tricuspid valve closes S-1
→heart sound: isovolumetric contraction CORRECT ANSWERS Right ventricle
Name this EKG:
→ QRS complex (ventricular contract) CORRECT ANSWERS Ventricular depolarization
,What part of the heart is this?
→ mid-systole (halfway through)= enough pressure to blow open pulmonic semilunar
valves CORRECT ANSWERS pulmonary artery
What part of the heart is this?
→ blood exits via 2 pulmonary arteries to lungs CORRECT ANSWERS pulmonary
artery
What carries DE-O2 blood? CORRECT ANSWERS pulmonary artery
What carries DE-O2 blood? CORRECT ANSWERS umbilical artery
Ventricular filling is ____% passive and ____% active CORRECT ANSWERS 80%
passive
20% active from atrial contraction
SA node impulse to AV node is shown as what on an ECG? CORRECT ANSWERS P-
R interval
At the end of diastole the right ventricle contains _______ amount of blood CORRECT
ANSWERS 150ml
S1 =
S2 = CORRECT ANSWERS →AV Valves - S1
→Semilunar - S2
QRS = CORRECT ANSWERS Ventricular depolarization + consequent contraction
Isovolumetric contraction begins at ____ and ends as semilunar valves open
CORRECT ANSWERS S1
Isovolumetric Relaxation begins at ____ and ends as the AV valves open CORRECT
ANSWERS S2
The highest concentration of blood O2 is found in the CORRECT ANSWERS Cardiac
system
Pulmonary vein and umbilical vein in fetus are the only veins that carry CORRECT
ANSWERS Oxygenated blood
Pulmonary artery and umbilical artery in fetus are the only arteries that CORRECT
ANSWERS carry
Deoxygenated blood
START PAGE 2: ELECTROCARDIOGRAM
, P-wave= CORRECT ANSWERS atrial depolarization - atrium contracts
P-R Interval CORRECT ANSWERS AV nodal delay
On an ECG isovolumetric contraction is represented by CORRECT ANSWERS R
The AV node sends its impulse through the _______ into _______ CORRECT
ANSWERS →Bundle of His
→Purkinje Fibers
The right Bundle of His is aka CORRECT ANSWERS Moderator Band
How much faster is the Purkinje system than the Av node?
What accounts for this speed increase? CORRECT ANSWERS →150x faster
→Faster because increased number of intercalated discs and gap junctions
The first downward or negative projection that is normal on an ECG is the ____ second
negative projection is CORRECT ANSWERS →Q-wave - 1st
→S-wave - 2nd
On an ECG what hides atrial re-polarization? CORRECT ANSWERS QRS complex
What prevents the AV valves from blowing backward during ventricular contraction?
CORRECT ANSWERS →Cordae Tendinea
→Papillary Muscles
Ventricular re-polarization is represented by what on an ECG? CORRECT ANSWERS
T-wave
Isovolumetric relaxation is represented by what on an ECG? CORRECT ANSWERS S-
T segment
What does a U-wave represent on an ECG? CORRECT ANSWERS Papillary muscle
re-polarization
A Myocardial infarction will be visualized as what on an ECG? (2 possibilities)
CORRECT ANSWERS Inverted T wave
Altered S-T segment
Heart tetany is prevented by what? CORRECT ANSWERS →Slow calcium channels
that create a long absolute refractory period
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