Your patient was injured when his airbag deployed during a head-on collision. He complains of acute pain when breathing and has trouble catching his breath. Your physical exam reveals a flail segment on the left side of his chest. You recognize that a flail segment can be a life threat because:
A) it can greatly decrease his tidal volume. B) he has an open chest injury.
C) he likely has an accompanying head injury. D) this increases his chances of infection.
Question 2
Why is inhalation described as an active process?
A) It requires chest muscles to relax and use energy to move, creating a positive pressure.
B) It requires chest muscles to contract and use energy to move, creating a negative pressure.
C) It requires the diaphragm to relax and use energy to move, creating a positive pressure.
D) It uses oxygen to assist chest muscles to contract, creating a negative pressure.
Stained section of cerebral cortex from autopsy of a patient with Creutzfeldt-Jakob disease
Frog head muscle (labeled)
The effectiveness of patient education
Patient teaching: heart assessment
Helping maintain accurate patient records is a critical part of the medical assistant's work.
Bull's-head Rhyton