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Physio ,L1 , Mechanics of breathing , Pressure- volume relationship in the respiratory tract

 L1 , Mechanics of breathing , Pressure- volume relationship in the respiratory tract, physiology 


Lecture video 



MCQ


Q1- internal ventilation 

A-at the level of cells
B-gas exchange
c-gas transport
D-diffusion

Q2- normal quiet breathing is called 

A-Eupnia
B- pneumonia 
C- pneumothorax 
D- straining 

Q3- expiratory pause time is 

A-0.7
B-1.7
C-1.3
D-2

Q4- inspiratory time is 

A-0.7
B-1.7
C-1.3
D-2

Q5- expiratory time 

A-0.7
B-1.7
C-1.3
D-2

Q6- most important muscle of breathing is 

A- Diaphragm 
B- Latismus dorssi 
C- Scalini muscle 
D- Sternomastoid 

Q7- contraction of diaphragm increase 

A- Vertical 
B- Transverse 
C- Antro posterior 
D- None 

Q8- in expiration, the IAP is 

A- Increase 1 mm
B- Decrease 1 mm
C- Decrease 20 mm
D- Increase 30

Q9- in inspiration, the IAP is 

A- Increase 1 mm
B- Decrease 1 mm
C- Decrease 20 mm
D- Increase 30

Q10- in forced expiration, the IAP is 

A- Increase 1 mm
B- Decrease 1 mm
C- Decrease 20 mm
D- Increase 30

Q11- in forced inspiration, the IAP 

A- Increase 1 mm
B- Decrease 1 mm
C- Decrease 20 mm
D- Increase 30

Q12- surfactant is 

A- Lipid in nature 
B-Lipoprotein 
C- CHO 
D- Vitamin 

Q13-part of surfactant that facilitate spread of phospholipid layer over 

A- Calcium ions 
B- Potassium ions 
C- Sodium ions 
D- Cl ions 

Q14- defect in hormone ….. cause respiratory distress syndrome 

A- Cortisol 
B- LH
C- FSH
D- Insulin 

Q15- Value of lung & chest wall compliance 

A- 0.13 
B- 0.22
C- 0.33
D- 0.25

Answers 

1\A
2-A
3-A
4-C
5-B
6-A
7-A
8-A
9-B
10-D
11-C
12-B
13-A
14-A
15-A



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