Physiology of Respiration

Q.

What is the role of diaphragm in respiration?

Q.

In anaerobic respiration, energy produced is more as compared to aerobic respiration

1. True
2. False

Q.

What are the muscles of respiration?

Q.

___ is an instrument for measuring the air capacity of the lungs.

Q.

Question 23
Which of the following is not an involuntary action?

(a) Vomiting
(b) Salivation
(c) Heart beat
(d) Chewing

Q.

Lungs lie in the thoracic cavity and is separated from the abdominal cavity by the___ .

Q.

Sound box in your body is also called

1. Larynx

2. Pharynx

3. Bronchi

4. Trachea

Q.

The ability of diaphragm in breathing can be attributed to its …………………..

1. Sensitivity to respiratory gases

2. Muscular nature

3. Skeletal nature

4. Fluid nature

Q. Under what conditions would the breathing rate increase?

Q.

The loudness of a person's voice depends on -

1. The length of the vocal folds.

2. The strength of the intrinsic laryngeal muscles.

3. The thickness of the vestibular folds.

4. The force with which the air rushes across the vocal folds.

Q.

The process by which CO2 moves from the blood to alveoli

1. Diffusion

2. Osmosis

3. Separation

4. Expansion

Q. The following diagram refers to an apparatus which is used to demonstrate a physiological process:​ ​
(b) Why has the coloured water risen in tubing 1

Q.

The voice box which is responsible for the production of sound in humans is also called as ________.

1. Pharynx

2. Nose

3. Larynx

4. Mouth

Q.

Most inspired particles such as dust fail to reach the lungs because of the ________.

1. ciliated mucous lining in the nose

2. abundant blood supply to nasal mucosa

3. action of the epiglottis

4. porous structure of turbinate bones

Q.

Lungs are located in ___ cavity of our body.

Q. Which of the following statement(s) is (are) true about respiration?
(i) During inhalation, ribs move inward and diaphragm is raised.
(ii) In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air.
(iii) Haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) Alveoli increase surface area for exchange of gases.

1. (i) and (iv)
2. (ii) and (iii)
3. (i) and (iii)
4. (ii) and (iv)

Q. Pisces obtain oxygen dissolved in water by using gills.

1. False
2. True

Q.

State if the following statements are True or False. Correct the false statement.

In the process of respiration, oxygen is given out while the carbon dioxide is taken in.

1. True
2. False

Q. Are breathing and respiration same? Give reasons.

Q.

Name the following

e) High breathing rate

Q.

Snakes hiss by forcing air out of their mouths.

1. True
2. False

Q.

The volume of air one can breathe in or breath out is called as ___ volume.

Q.

The process by which CO2 moves from the blood to alveoli

1. Separation

2. Diffusion

3. Osmosis

4. Expansion

Q. Exhaled air has more percentage of carbon dioxide than inhaled air.

1. False
2. True

Q.

The principal heat regulating centre of our body is ___________.

1. hypothalamus

2. terencephalon

3. diencephalon

4. mesencephalon

Q.

Differentiate between the following about what is given in the bracket.
Bowmans capsule and Malpighian capsule. (Parts included).

Q.

Differentiate between the following about what is given in the bracket.
Bowmans capsule and Malpighian capsule. (Parts included).

Q.

The loudness of a person's voice depends on

1. The length of the vocal folds.

2. The strength of the intrinsic laryngeal muscles.

3. The thickness of the vestibular folds.

4. The force with which the air rushes across the vocal folds.

Q.

Asthma is diagnosed using ___ diameter.

1. bronchiole

Q. Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following couclusions is most likely to be correct ?

1. The patient has been inhaling polluted air containing high carbon disuphide content
2. The patient has been inhaling polluted air containing high chloroform content
3. The patient has been inhaling polluted air containing high carbon dioxide content
4. The patient has been inhaling polluted air containing usually high carbon monoxide content