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Irene Gold BOARDS PART 1 PHYSIOLOGY Exam/202 Questions and Solutions $12.49   Add to cart

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Irene Gold BOARDS PART 1 PHYSIOLOGY Exam/202 Questions and Solutions

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Irene Gold BOARDS PART 1 PHYSIOLOGY Exam/202 Questions and Solutions

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  • September 14, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Irene Gold BOARDS PART 1 PHYSIOLOGY
  • Irene Gold BOARDS PART 1 PHYSIOLOGY
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Irene Gold BOARDS PART 1 PHYSIOLOGY
Exam/202 Questions and Solutions
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

-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

-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:

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