Letter K on the figure represents the ________, a muscle that contracts and relaxes to control the amount of space in the thoracic cavity. 


diaphragm
The diaphragm aids in breathing by contracting to increase the amount of space in the thoracic cavity, which creates a negative air pressure that causes inspiration, then relaxing to reduce the amount of space in the thoracic cavity, causing expiration.

Health Professions

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What is the purpose of an internal needs assessment?

A) To obtain an objective analysis of the department's situation B) To determine financial status of the department C) To determine who will be funding the grant application D) To give the applicant an outside, 360-degree view of the agency

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The EMT should recognize which of these patients is experiencing generalized hypothermia?

A) A 21-year-old female who was trapped in cold water for 10 minutes before being rescued B) A 19-year-old male who is intoxicated and fell asleep under a ceiling fan for three hours C) A 34-year-old male whose fingers and toes are blue from exposure to the cold D) An 87-year-old alcoholic with hand pain and numbness after sweeping snow without gloves

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Which of the following is found almost universally in patients with interstitial lung disease (ILD)?

a. Airway dilation b. Bronchoconstriction c. Compensatory cytokine release d. Decreased compliance

Health Professions

Write the fractions as a percent. Round off to the closest hundredth. 1/6 =

Fill in the blank(s) with the appropriate word(s).

Health Professions