Question 1
What is the primary muscle responsible for inspiration during quiet breathing?
Correct Answer:
Diaphragm
Question 2
Which structure passes through the diaphragm and allows air flow from the throat to the lungs?
Correct Answer:
Esophagus
Question 3
What happens to intrathoracic pressure during diaphragm contraction?
Correct Answer:
It decreases
Question 4
What is a key sign of dysfunctional breathing mechanics?
Correct Answer:
Use of accessory muscles
Question 5
Which nerve innervates the diaphragm?
Correct Answer:
Phrenic nerve
Question 1
Exam overview

About this Exam

Prepare with the Postural Restoration Certified (PRC) [prc] practice quiz. This question bank includes 100 questions covering postural, primary, muscle, restoration, and movement. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Postural Restoration Certified (PRC) [prc]

This practice set contains 100 questions from the matching question bank and focuses on postural, primary, muscle, restoration, and movement. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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