If a nasopharyngeal airway is too long, it may:
A. result in tachycardia.
B. push the tongue anteriorly.
C. stimulate the vagus nerve.
D. become obstructed by mucus.
Ans: C. stimulate the vagus nerve.
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____ is a generic term used to describe the symptom pattern related to coronary artery disease that, untreated, results in unstable angina and myocardial infarction.
A. Acute cardiac event B. Acute coronary syndrome C. Acute angina D. Coronary arterial disorder
Discuss the procedure to inform the patient who questions the use of medications during and after surgery. The patient has seen advertisements about some antibiotics
What will be an ideal response?
Your patient is an 86-year-old male with congestive heart failure. He called for help tonight because he cannot breathe and feels like he is "drowning in his own lungs." The patient has had several heart attacks in the past and he tells you his "heart is shot." The patient's cardiac output is likely diminished because:
A) the heart's force of contraction is reduced (contractility is diminished). B) the pressure in the system against which the heart must pump is increased (afterload is increased). C) less blood fills his heart with each contraction (preload is diminished). D) All of the above are true.
At room temperature, combustion is supported at oxygen concentrations as low as_____ percent.
A. 5-7 B. 10-12 C. 14-16 D. 18-20