Biophysics Flashcards
Which one can be the normal values of partial pressure of oxygen in alveolar air and left atrium blood?
Alveolar air Left atrium
a) 95 mmHg 40mmHg
b) 0.3mmHg 47mmHg
c) 104 mmHg 40 mmHg
d) 104 mmHg 95 mmHg
e) 47 mmHg 40 mmHg
d) 104 mmHg 95 mmHg
Which one can be the normal values of partial pressure of cabon dioxide in humidified air and alveolar air?
Humidified air Alveolar air
a) 27 mmHg 47 mmHg
b) 0.3mmHg 40 mmHg
c) 47 mmHg 40mmHg
d) 40 mmHg 47mmHg
e) 0.3mmHg 47mmHg
b) 0.3mmHg 40 mmHg
Which one can be the cause of high intensity murmur heard between S1and S2 trough auscultation?
a) Aortic valve insufficiency
b) Aortic stenosis
c) Mitral insufficiency
d) VSD
e) Mitral stenosis
b) Aortic stenosis
In an individual systolic arterial pressure is 100mmHg, diastolic arterial pressure is 70mmHg, what is the mean arterial pressure (MAP) in mmHg?
a) 110
b) 120
C) 100
d) 80
e) 90
d) 80
In a normal heart, mean QRS vector has the highest projection on which axis
a) III
b) II
c) aVR
d) avF
e) I
b) II
Which one(s) of the following cause right axis deviation?
I) Left ventricle hypertrophy
II) Left branch block
III) Right ventricle hypertrophy
a) Only I
b) Only III
c) I-III
d) I-II-III
e) II-III
b) Only III
How does the below Starling forces change trough capillary from arterial end to venous end in normal conditions?
Pc ¥
a) decreases from 30 mmHg to 10mmHg /Remains same at 3mmHg
b) Remains same / decreases from 28 mmHg to 3mmHg
c) decreases from 30 mmHg to 10mmHg / Remains same at 28mmHg
d) decreases from 28 mmHg to 3mmHg /Increases from 3 mmHg to 8mmHg
e) Remains same at 30mmHg / Remains same at 3mmHg
c) decreases from 30 mmHg to 10mmHg / Remains same at 28mmHg
Which one shows potential of the right hand compared to the indifferent electrode (average electrical point) on the ECG montage?
a) DI
b) aVR
C) DII
d) DIIl
e) avF
b) aVR
Sag aks sapmasi hangisi gorunur?
Right branh blok, Right ventricle hypertrophy,
Kapillerlerin kan degisiminin venoz tarafinda olmasinin sebebi?
Hyrosttatic pressure decrase of blood from 30 to 10
Alveolar ve acik havadaki oksijen basinci ?
104 -159
68.indiffrent elektrodu sol kola taktiginiz derivasyon?
aVL
Hangisi oksijenin hemoglabinden ayrilmasi egrisini sola kaydiri?
PH yukselmesi
S4 teki ses?
Atrial contraction
sol bacaktan herhangi bi extremiteye bağlanan derivasyon
aVF
second hearth sound
Closing of semiulnar valve
aortic stenosis murmur?
Aortic valve opening
T dalgası ne anlama gelir
Ventrical repolarization
26.Which of the following heart sound is heard at the beginning of middle third of diastole?
A) S1-closure of A-V valves
B) S2-closure of semilunar valves
C) S3-in rushing blood from the atria
D) S4-in rush of blood in to the ventricules
E) None of them
C) S3-in rushing blood from the atria
What is the cause of first heart sound (S1)?
A) Flow of blood from aurium to ventricules
B) Closure of semilunar valves
C) Closure of A-V valves
D) Ejection of blood into aorta
E) Atrial contraction
C) Closure of A-V valves
in which of the following regions, the aortic valve sound is best heard ?
A) Midstemal
B) Xiphoid
C) Left 5 intercostal space
D) Left 2 intercostal space
E) Right 2 intercostal space
E) Right 2 intercostal space
What is the cause for the third heart sound (S3)?
A) blood to pass from the atrium to the ventricle
B) the closure of the semilunar valves
C) the closure of the atrioventricular valves
D) blood to pass from the ventricle to the aorta
E) the contraction of the atrium
A) blood to pass from the atrium to the ventricle
Which one can be the cause of high Intensity murmur heard between S1 and S2 at systolic phase?
A) Aortic stenosis
B) Mitral stenosis
C) the closure of the atrioventricular valves
D) Aortic regurgitation
E) the contraction of the atrium
A) Aortic stenosis
- In an individual with systolic arterial pressure 120mmHg and diastolic arterial pressure 90mmHg, what is mean arterial pressure (MAP) in mmHg?
A) 80
B) 90
C) 100
D) 110
E) 120
C) 100
Which one does not affect flow of fluids between plasma inside
capillary lumina and interstitial fluid?
A) Hydrostatic blood pressure Inside capillary
B) Osmotical pressure due to plasma content
C)Osmotical pressure due to interstitial fluid content
D) Hydrostatic pressure exerted by interstitial fluid
E) Hydrostatic pressure Inside right atrium
E) Hydrostatic pressure Inside right atrium
22.Alveolar and pulmonary capillary arterial end partial oxygen pressures (PO2) of a healty adult male person are given which one of the following choices respectively?
A) 104 kPA-40kPa
B) 149 kPa-45 kPa
C) 104 mmHg-45 mmHg
D) 104 mmHg-40 mmHg
E) 104 mmHg-104 mmHg
D) 104 mmHg-40 mmHg
The T Wave on an ECG represents:
A) Ventricular Depolarization
B) Ventricular Repolarization
C) Atrial Depolarization
D) Systole
E) Diastole
B) Ventricular Repolarization
Lung capacity representing the volume of air breathed out after the deepest inhalation is
A) Tidal volume
B) Forced expiratory volume
C) Vital capacity
D) Maximum expiratory flow rate
E) Functional residual capacity
C) Vital capacity
What is the cause of second heart sound (S2)?
A) Flow of blood from atrium to ventricules
B) Closure of semilunar valves
C) Closure of A-V valves
D) Ejection of blood into aorta
E) Atrial contraction
B) Closure of semilunar valves
