Which of the following is an enormous computer network that links computers and smaller computer networks worldwide?
A. Word processor
B. Internet
C. Email
D. Networking
Answer: B
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Which of the following is NOT a guideline for helping the hearing impaired?
a. Select a quiet environment to communicate with the patient. b. Reduce outside noise as much as possible. c. Face the patient when speaking. d. Speak louder and shout if necessary.
According to the Henderson-Hasselbalch equation, the pH of the blood will be normal as long as the ratio of HCO3– to dissolved CO2 is which of the following?
a. 10:1 b. 20:1 c. 24:1 d. 30:1
A patient is being considered for participation in a pulmonary rehabilitation program. Which of the following pulmonary function tests would you recommend be performed as a component of the preliminary evaluation?
1. Lung volumes, including functional residual capacity (FRC) 2. Diffusing capacity (DLCO) 3. Pre- and post-bronchodilator flows 4. Lung and thoracic compliance a. 2 and 4 only b. 1, 2, and 3 only c. 1, 2, 3, and 4 d. 1, 2, and 4 only
Multifocal PVCs are those that
A) come from the same focus. B) resemble each other. C) have different shaped QRS complexes. D) have different shaped P waves preceding them.