Embibe Experts Solutions for Chapter: Breathing and Respiration, Exercise 2: EXERCISE- I (Conceptual Questions)

In cyanosis colouration of body parts appears :-

Which of the following option gives correct information about the coverings of thoracic cage on various surfaces :-

Consdider the following four statements (a-d) and select the option which includes all the correct ones only :
(a) All the time of inspiration, contraction in diaphragm and external intercostal muscles take place.
(b) Normal breathing is also called as abdominal breathing.
(c) Expiration during sneezing, coughing, yoga is normal expiration during which IICM and abdominal muscles relax.
(d) Inspiration can occur if the pressure within lungs (intra pulmonary pressure) is more then the atmospheric pressure.
 

Find out the correct match from the following table:-

Which of the following statement is not correct:-
 

Find out the correct match from the following:-
(i) Larynx - soundbox
(ii) Trachea - complete cartilaginous rings
(iii) Epiglottis - elastic cartilaginous flap
(iv) Alveoli - very thin, irregular walled, vascularised bag like structures
(v) Pleural fluid - reduces friction on the lung surface
 

Given below graph shows an oxygen dissociation curve :-

Where in the body will haemoglobin be saturation at the percentage shown at points $\mathrm{X},\mathrm{Y}$ and $\mathrm{Z}$.
 

The 'blue baby' syndrome results from