Match the following related to respiratory volumes and capacities. Column I Column II i Tidal volume a 2500 to 3000 ml of air ii Inspiratory reserve volume b 1000 ml of air iii Expiratory reserve volume c 500 ml of air iv Residual volume d 3400 to 4800 ml of air v Vital capacity e 1200 ml of air

i - c , ii - a , iii - b , iv - e and v - d

i - c , ii - d , iii - b , iv - a and v - e

i - c , ii - a , iii - d , iv - e and v - b

i - e , ii - d , iii - b , iv - a and v - c

Greater than inspiratory volume

EASY

Earn 100

Vital capacity of lung is ______ .

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Important Questions on Breathing and Respiration

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of:

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Given that tidal volume is

600 ml

, inspiratory reserve volume is

2500 ml

, and expiratory reserve volume is

800 ml

, what is the value of vital capacity of lung ?

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Match the items given in Column I with those in Column II and select the correct option given below:

	Column – I		Column – II
a.	Tidal volume	i.	2500 – 3000 mL
b.	Inspiratory Reserve volume	ii.	1100 – 1200 mL
c.	Expiratory Reserve volume	iii,	500 – 550 mL
d.	Residual volume	iv.	1000 – 1100 mL

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

The amount of air that is left behind in lungs after expiratory reserve volume has been exhaled is

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

After forceful inspiration, the amount of air that can be breathed out with maximum forced expiration is equal to

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

The Total Lung Capacity

(TLC)

is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes:

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Match the following related to respiratory volumes and capacities.

Column I		Column II
$(i)$	Tidal volume	$(a)$	$2500$ to $3000 ml$ of air
$(ii)$	Inspiratory reserve volume	$(b)$	$1000 ml$ of air
$(iii)$	Expiratory reserve volume	$(c)$	$500 ml$ of air
$(iv)$	Residual volume	$(d)$	$3400$ to $4800 ml$ of air
$(v)$	Vital capacity	$(e)$	$1200 ml$ of air

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Lungs does not collapse between breaths and some amount of air will always remain in the lungs which can never be expelled because,

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Listed below are four respiratory capacities (i-iv) and four jumbled respiratory volumes of a normal human adult:

	Respiratory capacities		Respiratory volumes
(i)	Residual volume	(a)	2500 mL
(ii)	Vital capacity	(b)	3500 mL
(iii)	Inspiratory reserve volume	(c)	1200 mL
(iv)	Inspiratory capacity	(d)	4500 mL

Which one of the following pairs of capacities and volumes is matched correctly with each other?

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Residual volume is:

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

Read the following statements.

a) High

H^{+}

concentration and higher temperature are favourable for dissociation of oxygen from oxyhaemoglobin.

b) Partial pressure of oxygen in alveoli is higher than in the tissue.

c) The maximum volume of air a person can breathe in after a forced expiration is vital capacity.

d) In alveoli, low pCO₂ and high pO₂ favour dissociation of CO₂ from carbaminohaemoglobin.

How many of the above statements are correct?

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

The quantity 1200 ml in the respiratory volumes of a normal human adult refers to

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

After deep inspiration, capacity of maximum expiration of lung is called

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

What is vital capacity of our lungs ?

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

The volume of air remaining in the lungs even after a forceful expiration is:

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

All of the following options are correct except::-

i. TLC = VC + RV

ii. VC = ERC + IRV

iii. VC = IRC + ERV

iv. RV = TLC - ERV + TV + IRV

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

The volume of air involved in breathing movements can be estimated by using a _____ which helps in clinical assessment of pulmonary functions.

EASY

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

If a person exhales out forcefully by applying all his efforts, what will the pulmonary volume inhaled by him immediately under normal condition without applying any extra effort?

MEDIUM

Biology>Human Physiology>Breathing and Respiration>Respiratory Volumes

About 1200 mL of air is always known to remain inside the human lungs. It is described as

Vital capacity of lung is ______ .

Important Questions on Breathing and Respiration

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