Respiratory physiology: practice question

The best answer is C, Air remaining after normal expiration. Functional residual capacity is the resting lung volume after passive expiration and equals expiratory reserve volume plus residual volume.

Vital capacity is max exhaled after full inspiration.

Residual volume remains after maximal expiration.

Tidal volume is quiet breath size.

It tests Respiratory physiology in Physiology. The correct option holds because: Correct: FRC is end-expiratory resting volume.

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

For each system, sketch the key graph (pressure–volume loop, oxygen dissociation curve, nephron handling) and explain it aloud. Then use the flashcards and the other Physiology questions on this site to test what stuck.

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.