Which of the following statements is true about statistics?
A. It determines how data should be collected.
B. It is an effective tool for analysis of population characteristics by inference from sampling.
C. It becomes severely limited if available data is extensive.
D. The beginning use of statistics dates back to the1400s.
Answer: B
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Blood flows from the right atrium into the right ventricle. From this point, it is pumped through the:
a. aorta to the rest of the body b. pulmonary artery to the lungs c. pulmonary artery to the rest of the body d. pulmonary vein to the lungs
An alert and oriented 87-year-old female patient has fallen and suffered a 3-cm laceration to the back of her head. According to the patient, her walker became caught in the carpet, causing her to trip. When obtaining a medical history, who should the EMT address first?
A) Family members B) The patient C) EMRs on scene D) The patient's primary care doctor