A history of trauma to the head with a variable period of unconsciousness or confusion, then a return to normal consciousness with possible amnesia best explains a(n):
A) concussion. B) cerebral contusion.
C) anoxic brain injury. D) diffuse axonal injury.
A
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Procedures that require use of a(n) ________ should be performed after those that do not to avoid the possibility of interference with other tests
a. negative ray b. contrast medium c. MRI d. films of bones
Which of the following statements regarding cardiac compromise or acute coronary syndrome should the EMT recognize as true?
A) Cardiac compromise should be suspected for any patient with chest discomfort. B) Patients suffering from acute coronary syndrome will have pain, not discomfort. C) If the pain does not radiate to the arms, then the cause is not typically the heart. D) The onset of acute coronary syndrome typically occurs with physical activity.
Which of the following is TRUE of generalized absence seizures?
A. Episode usually lasts 2–5 minutes B. Patients will remember the episode once it has ceased C. Blinking and eye rolling are common D. Usually seen in geriatric individuals
What is it called when the researcher tries to predict the association between the independent and dependent variables?
A. Null hypothesis B. Alternative hypothesis C. Significance D. Confidence