Which term best defines the following formula?Total number of new cases of a specified disease during a given time period divided by the total population at risk during the same time period×1,000
A. Prevalence rate
B. Incidence rate
C. Both a and b
D. Neither a nor b
Answer: B
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A 17-year-old male has crashed his motorcycle into a tree and is unresponsive with inadequate respirations. Your attempt to open his airway with a jaw thrust has been unsuccessful several times, and you are unable to deliver manual ventilations. You should:
A) ventilate more forcefully. B) open the airway with a head tilt—chin lift and ventilate. C) apply a nonrebreather mask. D) proceed with your assessment without additional interventions.
What causes the residual volume (RV) and functional residual capacity (FRC) to increase?
a. Atelectasis b. Chronic obstructive lung disease c. Pneumonia d. Pneumothorax
Muscle fibers in ________ smooth muscle not only respond to neurotransmitters, but also stimulate each other to contract and produce peristalsis.
Fill in the blank(s) with the appropriate word(s).
Radiographs are often prescribed to detect caries on which surfaces of the teeth?
What will be an ideal response?