Breathing N Exchange Part 2

Question 1

Volume of air inspired or expired during normal respiration is called

Answer 1

Tidal volume , 500 ml approx

Question 2

A healthy mam can inspire or expired how much air per minute

Answer 2

6000 to 8000 ml

Question 3

Additional volume of air a person can inspire by forcible inspiration is called & how much is it

Answer 3

Inspiratory reserve volume , 2500 to 3000ml

Question 4

Additionall volume of air a person can expire forcibly is called & how much

Answer 4

Expiratory reserve volume , 1000 to 1100ml

Question 5

In relaxed position shape of diaphragm is

Answer 5

Dome shaped

Question 6

Volume of Ir remaining in lungs after forcible expiration is called & how much

Answer 6

Residual volume ,1100 to 1200ml

Question 7

Total volume of air a person can inspire after normal expiration is & it’s formula

Answer 7

Inspiratory capacity , TV+ IRV

Question 8

Total volume of Ir a person can expire after normal inspiration is & formla

Answer 8

Expiratory capacity , TV + ERV

Question 9

Max volume of air a person can breathe after forced expiration or the max volume of air a person can breathe out after forced inspiration & it’s formula

Answer 9

ERV+TV+IRV

Question 10

Tota volume of air remained in lung after normal expiration

Answer 10

Functional residual capacity , ( ERV+TV)

Question 11

Total volume of air accumulated in lungs after end of forced inspiration

Answer 11

RV+ERV+TV +IRV/ VC+RV

Question 12

Alveoli are the

Answer 12

Primary sites of exchange of gases

Question 13

Oxygen and carbon dioxide are exchanged based on

Answer 13

Pressure and concentration gradients

Question 14

Rate of diffusion is affected by

Answer 14

1. Conc
2. Pressure
3. Thickness of membrane
4. Solubility of gases

Question 15

Pressure contributed by a individual gas in a mixture of gases is called

Answer 15

Partial pressure

Question 16

What is the pressure of oxygen in alveoli and atmosphere

Answer 16

104 , 159 mmhg

Question 17

Co2 in alveoli in atmosphere and deoxygenated blood

Answer 17

0.3 ,45

Question 18

Oxygen pressure in oxygenated blood and tissue

Answer 18

95,40

Question 19

Co2 in oxygenated blood

Answer 19

40mmhg

Question 20

Alvelous —->pulmonary ___——> systemic arteries——> ______——-> _____——-> pulmonary ____—–> lungs

Answer 20

1. Vein
   Tissues
   Systemic veins
   Pulmonary artery

Question 21

Solubility of co2 is how much times higher than oxygen

Answer 21

20 -25 times

Question 22

Diffusion occurs via how many layers

Answer 22

Three
Thin squamous epithelium of alvelous
Endothelium of arteries
Basement membrane ( thin , surrounds single layer of endothelium of capillary cells)

Question 24

Thickness of three membranes is

Answer 24

Less than a millimetre

Question 25

How much percentage of oxygen is tranpoted viablood n plasma

Answer 25

97, 3

Question 27

Co2 is transported by blood bicarbonates and plasma by how much

Answer 27

20 -25 , 70 , 7

Question 28

Haemoglobin n oxygen bind in

Answer 28

Reversible manner

Question 29

Binding of oxygen is primarily due to

Answer 29

Partial pressure of oxygen

Question 30

The factors which affect primarily binding of oxygen

Answer 30

Partial pressure of oxygen

Question 31

Secondary factors affecting oxygen binding

Answer 31

Pco2, hydrogen conc , temp

Question 32

Curve of percentage saturation of oxygen vz partial pressure of oxygen in mmhg

Answer 32

Sigmoid curve

Question 33

Every 100ml of blood transports how much oxygen n carbon dioxide

Answer 33

5,4 ml

Question 34

Co2+ haemoglobin

Answer 34

Carbaminohaemoglobin

Question 35

Oxygen+ haemoglobin

Answer 35

Oxyhaemoglobin

Question 36

Binding of co2 is affected by

Answer 36

Partial pressure of oxygen

Question 37

Rbcs contains an enzyme in minute quantity and in plasma too. This facilitates

Answer 37

Caronic ahydrase , co2+h20= h2c03= hco3- + h+

Question 38

A special centerin medulla called

Answer 38

Respiratory rhythm center (primary for respiration)

Question 39

Pons region has

Answer 39

Pneumotacic center