During fetal development, the ____ is located between the pulmonary trunk and the aorta.
A. foramen ovale
B. ductus arteriosus
C. ductus venosus
D. amnion
E. extraembryonic cavity
B. ductus arteriosus
The ductus arteriosus connects the pulmonary trunk and the aorta during fetal development.
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Which of the following statements indicates that the EMT understands the condition of withdrawal?
A) "Withdrawal is typically not a life-threatening situation and is easily managed by EMS." B) "Withdrawal indicates that a patient is addicted to a drug and is presently overdosed on that drug(s)." C) "Withdrawal from drugs or alcohol can be just as serious a medical emergency as an overdose." D) "Withdrawal is a term that is applied to the cessation of street drugs to which the patient is addicted, not prescription drugs."
Which of the following should be used by a patient to help reduce inflammation and swelling immediately after periodontal surgery?
A) Aspirin B) Ice packs C) Heated packs D) Rinsing with water
The attachment site for the more movable bone when a muscle contracts is the ____.
A. insertion B. origin C. synergist D. antagonist
According to the terminal drop hypothesis:
A. a person's physical health begins to decline after the age of 75 years. B. mental function is presumed to decline in the 5 years preceding death. C. most late-stage adults retain high brain function until 1 month before death. D. most elderly patients experience depression after the death of a loved one.