Letter K on the figure represents the ________, a muscle that contracts and relaxes to control the amount of space in the thoracic cavity.
Fill in the blank(s) with the appropriate word(s).
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.
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The treatment of chronic conditions in an outpatient setting is termed:
a. primary care. b. secondary care. c. tertiary care. d. quaternary care .
An elderly patient who is experiencing a myocardial infarction is more likely to complain of which of the following symptoms than a younger patient would?
A) No chest pain or shortness of breath B) A rash caused by shingles C) Shortness of breath with chest pain D) Shortness of breath without chest pain
The amount of medication needed to produce a specific response in 50% of patients is called the:
A) frequency distribution curve B) median effective dose C) maximal efficacy drug D) dose-effect relationship
The ear ________ are the smallest bones of the body and include the malleus, incus, and stapes.
Fill in the blank(s) with the appropriate word(s).