The difference between mean and median is which of the following?
A) Mean is calculated by adding values, then dividing the sum by the number of values involved; median is calculated by putting the values into numerical order and finding the middle value.
B) There is no statistical difference between the mean and the median.
C) Median is calculated by adding values, then dividing the sum by the number of values involved; mean is calculated by putting the values into numerical order and finding the middle value.
D) Mean is the value of the variance within a study, and median is a representation of the standard deviation.
A
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Your patient is a 76-year-old male who is alert and oriented. The patient's neighbor called EMS because of general concern about the patient's health. He states that the patient hasn't been himself since his wife's death six months ago. He hasn't taken care of his usually meticulous lawn and house, and he has lost a lot of weight. The patient says he misses his wife but doesn't need medical care
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An elderly woman has fallen and is complaining of left hip pain. As you approach, you note that she is on her back and her left leg is turned inward. When relaying this information to the hospital staff, which of the following statements should you make regarding her position?
A) Supine with lateral rotation of the left lower extremity B) Lateral recumbent with dorsal rotation of the left leg C) Supine with medial rotation of the left lower extremity D) Prone with left rotation of the lower extremity
A 35-year-old female has just eaten lobster and is now complaining of itchy, watery eyes. Her blood pressure is beginning to fall, but she denies difficulty breathing. Which of the following best describes her condition?
A) Anaphylaxis B) Dyspnea C) Mild allergy D) Shock
You have arrived at the scene of a medical emergency and find a woman lying on the floor of a grocery store. As you approach her, you know that your first priority as an EMT is:
A) Personal safety B) Patient care C) Public safety D) Patient advocacy