The only fuel for the brain is:
a. glucose
b. insulin
c. glucagon
d. none of the above
a. glucose
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________ is the third leading cause of death after accidents and homicides in teenagers and young adults
a. Suicide b. AIDS c. Heart attack d. Cancer
________ Difficulty falling or staying asleep may be signs of stress
Indicate whether the statement is true or false
Heart failure occurs when the heart is unable to pump blood efficiently. When the heart is unable to manage the blood volume in the circulatory system:
A) the heart stops beating and cardiac arrest occurs. B) fluids back up in the circulatory system, causing swelling and breathing problems. C) the heart beats faster, causing a decrease in blood pressure. D) oxygenated blood cannot get to the heart muscle, causing chest pain.
The EMT has fundamental understanding of abdominal trauma when he states:
A) "Evisceration injuries can be recognized by dark-colored bruising over the top of the injury site." B) "Blunt trauma is especially lethal because of the large number of organs that can be affected." C) "Injuries to solid organs like the bladder tend to be more lethal than injuries to hollow organs." D) "Injuries to hollow organs tend to be worse than injuries to solid organs because of the increased potential for blood loss."