Which of the following is equal to total lung capacity (TLC)?
a. VT + ERV + IRV + RV
b. IC + VT + ERV
c. VC + ERV
d. FRC + IRV
ANS: A
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Ischemic compression techniques cause tissue blanching, followed by:
A) Vasoconstriction B) More blanching C) Increased circulation D) Numbness
You have arrived at the scene of a 42-year-old man whose wife states he was having chest pain. He tells you that he has no complaints and does not need your help. He asks you to leave. You should:
A) leave the scene, but allow the ambulance to respond. B) ask him to sign the refusal form, making sure he understands that he could be seriously ill. C) cancel the ambulance and leave the scene. D) wait for the ambulance to arrive.
What is the general Body Mass Index formula that works with metric or English units?
A) Wt2/ht2 B) Wt/ht2 C) (Wt/ht)2 D) Wt2/ht
All of the following are reasons for using a slight caudal angle on AP projections of the chest except:
A. Better demonstration of posterior lung bases and costophrenic angles B. Allows for a decrease in technique C. Reduces lordotic distortion of upper lungs, rib cage, and clavicles D. Reduces lordotic "straightening" of normal curvature of spine