What is the mediastinum?
a. Membranous sac surrounding the heart and great vessels
b. Middle layer of muscle fibers constituting the heart
c. Point of division of the trachea into the bronchi
d. Structure separating the right and left thoracic cavities
ANS: D
The mediastinum lies between the left and right pleural cavities that contain the lungs (Figure 9-16).
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What is PEEP?
A) Positive exhalation and excretion pressure B) Preliminary exhaustive expiratory plan C) Pulmonary expulsion/end perfusion D) Positive end expiratory pressure
The patient's family states that their 16-year-old daughter has a history of asthma and has been complaining of shortness of breath for the past two days. She has been taking her metered-dose inhaler with some relief, but this morning, they found her lethargic and struggling to breathe. Your assessment reveals the patient to be responsive to verbal stimuli with an open airway and shallow respirations of 44 breaths/min. You hear minimal wheezing in both lungs. What is your immediate action in caring for this patient?
A) Insert an oral airway B) Apply a nonrebreather mask C) Position her on her side D) Start positive pressure ventilation
For routine head and body computed tomography examinations, effective doses fall into which of the following effective dose ranges?
a. 1 to 10 mSv b. 20 to 30 mSv c. 40 to 50 mSv d. 60 to 70 mSv
____________________ is the harmful physical and emotional responses that occur when the requirements of the job do not match the capabilities, resources, or needs of the worker
Fill in the blank(s) with correct word