IRENE GOLD BOARDS PART 1 PHYSIOLOGY NEW
2023-2024 A+ GRADED
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/ - ✔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? - ✔→Superior vena cava
→Inferior vena cava
Blood enters the heart via SVC and IVC but there is another exception. What is it? -
✔Azygous veins
The Azygous vein drains where? - ✔SVC
What part of the heart is this?
→ P-wave starts at sinoatrial node in crista terminalis
→ impulse travels to AV node - ✔Right Atrium
What happens when there is a SA node impulse to AV node and delayed (P-R)
interval? - ✔AV Nodal Delay
What part of the heart is this?
→end of diastole 120ml
→tricuspid valve closes S-1
→heart sound: isovolumetric contraction - ✔Right ventricle
Name this EKG:
→ QRS complex (ventricular contract) - ✔Ventricular depolarization
What part of the heart is this?
→ mid-systole (halfway through)= enough pressure to blow open pulmonic semilunar
valves - ✔pulmonary artery
What part of the heart is this?
→ blood exits via 2 pulmonary arteries to lungs - ✔pulmonary artery
,IRENE GOLD BOARDS PART 1 PHYSIOLOGY NEW
2023-2024 A+ GRADED
What carries DE-O2 blood? - ✔pulmonary artery
What carries DE-O2 blood? - ✔umbilical artery
Ventricular filling is ____% passive and ____% active - ✔80% passive
20% active from atrial contraction
SA node impulse to AV node is shown as what on an ECG? - ✔P-R interval
At the end of diastole the right ventricle contains _______ amount of blood - ✔150ml
S1 =
S2 = - ✔→AV Valves - S1
→Semilunar - S2
QRS = - ✔Ventricular depolarization + consequent contraction
Isovolumetric contraction begins at ____ and ends as semilunar valves open - ✔S1
Isovolumetric Relaxation begins at ____ and ends as the AV valves open - ✔S2
The highest concentration of blood O2 is found in the - ✔Cardiac system
Pulmonary vein and umbilical vein in fetus are the only veins that carry - ✔Oxygenated
blood
Pulmonary artery and umbilical artery in fetus are the only arteries that - ✔carry
Deoxygenated blood
START PAGE 2: ELECTROCARDIOGRAM
P-wave= - ✔atrial depolarization - atrium contracts
P-R Interval - ✔AV nodal delay
On an ECG isovolumetric contraction is represented by - ✔R
The AV node sends its impulse through the _______ into _______ - ✔→Bundle of His
→Purkinje Fibers
, IRENE GOLD BOARDS PART 1 PHYSIOLOGY NEW
2023-2024 A+ GRADED
The right Bundle of His is aka - ✔Moderator Band
How much faster is the Purkinje system than the Av node?
What accounts for this speed increase? - ✔→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 - ✔→Q-wave - 1st
→S-wave - 2nd
On an ECG what hides atrial re-polarization? - ✔QRS complex
What prevents the AV valves from blowing backward during ventricular contraction? -
✔→Cordae Tendinea
→Papillary Muscles
Ventricular re-polarization is represented by what on an ECG? - ✔T-wave
Isovolumetric relaxation is represented by what on an ECG? - ✔S-T segment
What does a U-wave represent on an ECG? - ✔Papillary muscle re-polarization
A Myocardial infarction will be visualized as what on an ECG? (2 possibilities) -
✔Inverted T wave
Altered S-T segment
Heart tetany is prevented by what? - ✔→Slow calcium channels that create a long
absolute refractory period
→Aka "plateaus"
Heart auto- rhythmicity is due to what? - ✔The hearts own leaky sodium channels
Frequency of impulse:
SA - ✔SA - 80-100
Frequency of impulse:
AV - ✔AV - 40-60
2023-2024 A+ GRADED
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/ - ✔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? - ✔→Superior vena cava
→Inferior vena cava
Blood enters the heart via SVC and IVC but there is another exception. What is it? -
✔Azygous veins
The Azygous vein drains where? - ✔SVC
What part of the heart is this?
→ P-wave starts at sinoatrial node in crista terminalis
→ impulse travels to AV node - ✔Right Atrium
What happens when there is a SA node impulse to AV node and delayed (P-R)
interval? - ✔AV Nodal Delay
What part of the heart is this?
→end of diastole 120ml
→tricuspid valve closes S-1
→heart sound: isovolumetric contraction - ✔Right ventricle
Name this EKG:
→ QRS complex (ventricular contract) - ✔Ventricular depolarization
What part of the heart is this?
→ mid-systole (halfway through)= enough pressure to blow open pulmonic semilunar
valves - ✔pulmonary artery
What part of the heart is this?
→ blood exits via 2 pulmonary arteries to lungs - ✔pulmonary artery
,IRENE GOLD BOARDS PART 1 PHYSIOLOGY NEW
2023-2024 A+ GRADED
What carries DE-O2 blood? - ✔pulmonary artery
What carries DE-O2 blood? - ✔umbilical artery
Ventricular filling is ____% passive and ____% active - ✔80% passive
20% active from atrial contraction
SA node impulse to AV node is shown as what on an ECG? - ✔P-R interval
At the end of diastole the right ventricle contains _______ amount of blood - ✔150ml
S1 =
S2 = - ✔→AV Valves - S1
→Semilunar - S2
QRS = - ✔Ventricular depolarization + consequent contraction
Isovolumetric contraction begins at ____ and ends as semilunar valves open - ✔S1
Isovolumetric Relaxation begins at ____ and ends as the AV valves open - ✔S2
The highest concentration of blood O2 is found in the - ✔Cardiac system
Pulmonary vein and umbilical vein in fetus are the only veins that carry - ✔Oxygenated
blood
Pulmonary artery and umbilical artery in fetus are the only arteries that - ✔carry
Deoxygenated blood
START PAGE 2: ELECTROCARDIOGRAM
P-wave= - ✔atrial depolarization - atrium contracts
P-R Interval - ✔AV nodal delay
On an ECG isovolumetric contraction is represented by - ✔R
The AV node sends its impulse through the _______ into _______ - ✔→Bundle of His
→Purkinje Fibers
, IRENE GOLD BOARDS PART 1 PHYSIOLOGY NEW
2023-2024 A+ GRADED
The right Bundle of His is aka - ✔Moderator Band
How much faster is the Purkinje system than the Av node?
What accounts for this speed increase? - ✔→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 - ✔→Q-wave - 1st
→S-wave - 2nd
On an ECG what hides atrial re-polarization? - ✔QRS complex
What prevents the AV valves from blowing backward during ventricular contraction? -
✔→Cordae Tendinea
→Papillary Muscles
Ventricular re-polarization is represented by what on an ECG? - ✔T-wave
Isovolumetric relaxation is represented by what on an ECG? - ✔S-T segment
What does a U-wave represent on an ECG? - ✔Papillary muscle re-polarization
A Myocardial infarction will be visualized as what on an ECG? (2 possibilities) -
✔Inverted T wave
Altered S-T segment
Heart tetany is prevented by what? - ✔→Slow calcium channels that create a long
absolute refractory period
→Aka "plateaus"
Heart auto- rhythmicity is due to what? - ✔The hearts own leaky sodium channels
Frequency of impulse:
SA - ✔SA - 80-100
Frequency of impulse:
AV - ✔AV - 40-60
