The major drawback of mouth-to-mouth ventilations is:
A) an oxygen level in the rescuer's exhaled air of only 10 to 12 percent.
B) potential exposure of the rescuer to body fluids.
C) inability to achieve adequate tidal volumes for ventilation.
D) a high level of carbon dioxide in the rescuer's exhaled air.
Question 2
A 12-lead ECG that reveals slight ST segment elevation; Q waves in leads II, III, and aVF; and ST elevation in V1 and V2 most indicate which of the following?
A) The patient is experiencing myocardial ischemia in her inferior wall that is extending into the septum.
B) The patient is experiencing myocardial injury in her lateral wall.
C) The patient has had a myocardial infarction in her inferior wall and is experiencing ischemia extending into the right ventricle.
D) The patient is experiencing ischemia and injury in her left ventricle and septum.
A double bond between two oxygen atoms
Location of the major baroreceptors.
Diaphragm, the major muscle of breathing.
Patient teaching: mouth and pharyngeal assessment
The major internal features of a neuron.
Summary of major brain structures.