Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
What 2 ways can blood enter the heart? - ANSWER →Superior vena cava
→Inferior vena cava
Blood enters the heart via SVC and IVC but there is another exception. What is it? - ANSWER Azygous
veins
The Azygous vein drains where? - ANSWER SVC
What part of the heart is this?
→ P-wave starts at sinoatrial node in crista terminalis
→ impulse travels to AV node - ANSWER Right Atrium
What happens when there is a SA node impulse to AV node and delayed (P-R) interval? - ANSWER AV
Nodal Delay
What part of the heart is this?
→end of diastole 120ml
→tricuspid valve closes S-1
→heart sound: isovolumetric contraction - ANSWER Right ventricle
,Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
Name this EKG:
→ QRS complex (ventricular contract) - ANSWER Ventricular depolarization
What part of the heart is this?
→ mid-systole (halfway through)= enough pressure to blow open pulmonic semilunar valves - ANSWER
pulmonary artery
What part of the heart is this?
→ blood exits via 2 pulmonary arteries to lungs - ANSWER pulmonary artery
What carries DE-O2 blood? - ANSWER pulmonary artery
What carries DE-O2 blood? - ANSWER umbilical artery
Ventricular filling is ____% passive and ____% active - ANSWER 80% passive
20% active from atrial contraction
SA node impulse to AV node is shown as what on an ECG? - ANSWER P-R interval
At the end of diastole the right ventricle contains _______ amount of blood - ANSWER 150ml
S1 =
S2 = - ANSWER →AV Valves - S1
, Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
→Semilunar - S2
QRS = - ANSWER Ventricular depolarization + consequent contraction
Isovolumetric contraction begins at ____ and ends as semilunar valves open - ANSWER S1
Isovolumetric Relaxation begins at ____ and ends as the AV valves open - ANSWER S2
The highest concentration of blood O2 is found in the - ANSWER Cardiac system
Pulmonary vein and umbilical vein in fetus are the only veins that carry - ANSWER Oxygenated blood
Pulmonary artery and umbilical artery in fetus are the only arteries that - ANSWER carry
Deoxygenated blood
START PAGE 2: ELECTROCARDIOGRAM
P-wave= - ANSWER atrial depolarization - atrium contracts
P-R Interval - ANSWER AV nodal delay
On an ECG isovolumetric contraction is represented by - ANSWER R
The AV node sends its impulse through the _______ into _______ - ANSWER →Bundle of His
→Purkinje Fibers
PHYSIOLOGY with 202 correct and
complete solutions.
Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
What 2 ways can blood enter the heart? - ANSWER →Superior vena cava
→Inferior vena cava
Blood enters the heart via SVC and IVC but there is another exception. What is it? - ANSWER Azygous
veins
The Azygous vein drains where? - ANSWER SVC
What part of the heart is this?
→ P-wave starts at sinoatrial node in crista terminalis
→ impulse travels to AV node - ANSWER Right Atrium
What happens when there is a SA node impulse to AV node and delayed (P-R) interval? - ANSWER AV
Nodal Delay
What part of the heart is this?
→end of diastole 120ml
→tricuspid valve closes S-1
→heart sound: isovolumetric contraction - ANSWER Right ventricle
,Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
Name this EKG:
→ QRS complex (ventricular contract) - ANSWER Ventricular depolarization
What part of the heart is this?
→ mid-systole (halfway through)= enough pressure to blow open pulmonic semilunar valves - ANSWER
pulmonary artery
What part of the heart is this?
→ blood exits via 2 pulmonary arteries to lungs - ANSWER pulmonary artery
What carries DE-O2 blood? - ANSWER pulmonary artery
What carries DE-O2 blood? - ANSWER umbilical artery
Ventricular filling is ____% passive and ____% active - ANSWER 80% passive
20% active from atrial contraction
SA node impulse to AV node is shown as what on an ECG? - ANSWER P-R interval
At the end of diastole the right ventricle contains _______ amount of blood - ANSWER 150ml
S1 =
S2 = - ANSWER →AV Valves - S1
, Irene Gold BOARDS PART 1
PHYSIOLOGY with 202 correct and
complete solutions.
→Semilunar - S2
QRS = - ANSWER Ventricular depolarization + consequent contraction
Isovolumetric contraction begins at ____ and ends as semilunar valves open - ANSWER S1
Isovolumetric Relaxation begins at ____ and ends as the AV valves open - ANSWER S2
The highest concentration of blood O2 is found in the - ANSWER Cardiac system
Pulmonary vein and umbilical vein in fetus are the only veins that carry - ANSWER Oxygenated blood
Pulmonary artery and umbilical artery in fetus are the only arteries that - ANSWER carry
Deoxygenated blood
START PAGE 2: ELECTROCARDIOGRAM
P-wave= - ANSWER atrial depolarization - atrium contracts
P-R Interval - ANSWER AV nodal delay
On an ECG isovolumetric contraction is represented by - ANSWER R
The AV node sends its impulse through the _______ into _______ - ANSWER →Bundle of His
→Purkinje Fibers
