On an ECG, what does a variation of 0.1 seconds between the longest and shortest RR intervals indicate?

A. SA block
B. regular rhythm
C. atrial bigeminy
D. irregular rhythm


Answer: B

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At STPD, what is the normal value for DLCO for a resting adult male?

A. 25 mL/min/mmHg B. 50 mL/min/mmHg C. 5 mL/min/mmHg D. 2.5 mL/min/mmHg

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Which of the following occlusal radiographs yields more information about the location of tori and impacted or malpositioned teeth and calcifications of soft tissues?

a. Maxillary anterior topographical b. Maxillary posterior topographical c. Mandibular posterior topographical d. Mandibular cross-sectional

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An advantage of patient education is that ____. 

A. it allows patients to take a passive role in their medical care B. patients previously educated can educate other patients C. anyone can educate the patient, even a friend D. it results in greater compliance with prescribed treatment programs E. it slows the recovery period from illness, disease, or injury

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Calculate the flow rate at which you will program the electronic infusion regulator for these IV orders. Ordered: 1,500 mL RL over 12 hr, using an infusion pumpFlow rate: __________ mL / hr

Fill in the blank(s) with the appropriate word(s).

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