NEET · Biology · STD 11 - 14. Breathing and exchange in gases

Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?

A Inflammation of bronchioles; Decreased respiratory surface
B Decreased respiratory surface; Inflammation of bronchioles
C Increased respiratory surface; Inflammation of bronchioles
D Increased number of bronchioles; Increased respiratory surface

Verified Solution

Answer & Solution

Correct Answer

(A) Inflammation of bronchioles; Decreased respiratory surface

Step-by-step Solution

Detailed explanation

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Match List \(I\) with List \(II\).

List \(I\)	List \(II\)
\(A\). \(P\)-wave	\(I\). Beginning of systole
\(B\). \(Q\)-wave	\(II\). Repolarisation of ventricles
\(C\). \(QRS\) complex	\(III\). Depolarisation of atria
\(D\). \(T\)-wave	\(IV\). Depolarisation of ventricles

Choose the correct answer from the options given below :

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