A tympanic membrane thermometer would be used for which of the following temperature routes?
A) Axillary
B) Rectal
C) Temporal
D) Aural
D
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The first step for treating a patient who has been contaminated with dry lime is to:
A) neutralize the lime with a mild acidic solution, such as vinegar and water. B) brush away as much of the powder as possible. C) flush the skin with large amounts of isopropyl alcohol. D) flush with copious amounts of tepid water.
What is the threshold limit value?
a. The amount of a substance, measured in milligrams per body mass, that kills half of a group of laboratory animals to which the substance is administered during a preestablished time b. The concentration of a substance, in milligrams per kilogram (mg/kg), that kills a laboratory animal within 48 hours c. The upper limit of a concentration to which an average healthy person can be repeatedly exposed on an all-day, everyday basis without suffering adverse health effects d. The concentration of a substance to which workers can be exposed continuously for a period of approximately 15 minutes without suffering irritation, chronic or irreversible tissue damage, or narcosis sufficient to increase the risk of accidental injury, impair self-rescue, or materially reduce work-related efficiency
When adjusting a patient's oxygenation during mechanical ventilatory support, what should your goal be?
a. SaO2 of 80% to 90% b. PaO2 of 100 to 150 mm Hg c. SaO2 of 95% to 100% d. PaO2 of 60 to 100 mm Hg
The best anatomical parts to observe when critiquing a position on a radiograph should have a long axis that runs in which direction compared to the expected direction of shift?
A. Perpendicular B. Parallel C. At a 45° angle D. None of the above