When assessing a patient who sustained blunt trauma to the chest, which one of the following assessment findings is MOST indicative of an injury to the lung?
A) Elevated heart rate and blood pressure
B) Respiratory rate of 20 breaths per minute
C) Ability to speak a few words and then gasp
D) Ecchymotic area to the anterior chest
Answer: C
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In ________ ossification, bones start out as cartilage models.
Fill in the blank(s) with the appropriate word(s).
An erasable board is usually hung in the OR that is within easy viewing range of the surgical team to record:
a. sponge usage b. sharps c. instrument counts d. all of the above
An adult patient with asthma is receiving a mixture of 70% helium and 30% oxygen through a nonrebreathing mask with an oxygen flowmeter set at 10 L/min. What is the actual flow being delivered to the mask?
A. 10 L/min B. 13 L/min C. 16 L/min D. 18 L/min
Which statement best describes rapid depolarization?
A) The membrane rapidly depolarizes at the site of stimulation causing a firing threshold that is followed by displacement of the calcium ions. B) The membrane rapidly depolarizes once the firing threshold has been achieved allowing a flood of sodium ions into the axoplasm. C) The membrane rapidly depolarizes along the entire nerve until the strength of the stimulus increases enough to cause an impulse. D) The membrane rapidly depolarizes following the refractory resting state.