While taking an EMT class, you come across a test question that asks you to define the pathophysiology of a seizure. Which answer would you select?
A) "A seizure occurs when the heart beats irregularly, causing a decreased amount of oxygen-rich blood to reach the brain."
B) "All seizures are caused by epilepsy, which describes a problem somewhere in the body."
C) "A seizure condition describes a muscle problem that causes the arms and legs to jerk."
D) "A seizure occurs when there is a massive and uncoordinated electrical discharge in the brain."
D) "A seizure occurs when there is a massive and uncoordinated electrical discharge in the brain."
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Which of the following features of the cranium exacerbates the severity of intracranial trauma?
A) It is rigid. B) It is formed of dense, heavy bone. C) It is relatively thin in the frontal region. D) The sutures allow for separation of the bones.
The half-life of epinephrine is 3 to 4 minutes; the half-life of vasopressin is ________ minutes
A) 5 to 10 B) 10 to 15 C) 10 to 20 D) 20 to 40
After you assist a patient with use of her EpiPen, she tells you that it is much easier for her to breathe. However, her heart rate has increased from 92 to 118 beats/min. Regarding the epinephrine, the EMT recognizes the increased heart rate as a(n):
A) Therapeutic effect B) Side effect C) Contraindication D) Allergy
Complete absorption of the photon occurs with which interaction of radiation and tissue?
Photoelectric effect Direct Hit Classical scattering Compton scattering