What is the best way to determine that you are getting adequate ventilation with a bag-valve mask?
A) Ensure the pulse oximeter reads 95 to 100%.
B) Hyperventilate the patient until the oxygen saturation reaches 100%.
C) Look for chest rise and fall.
D) Push the full amount of the bag into the patient.
C
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In which of the following types of solutions is the relationship of solute to solvent expressed as a proportion?
a. Normal b. Percent c. Ratio d. Weight/volume
The early phase of an asthmatic reaction occurs during what time frame?
a. 15 minutes to 1 hour b. 2–4 hours c. 6–8 hours d. 24 hours
Which of the following functions as a chain-breaking antioxidant and is a pyroxyl radical scavenger that protects LDL and polyunsaturated fats in membranes from oxidation?
A. Vitamin D B. ?-tocopherol C. Thiamin D. Menaquinone
Interoffice memoranda are generally
A) informal in tone. B) written in formal language. C) used to discuss confidential matters. D) not proofread as carefully.