Increased parasympathetic tone, bradycardia, shunting of blood to the brain, and hypotension describes:
A: Cushing's reflex.
B: Beck's triad.
C: Cullen's sign.
D: the diving reflex.
Answer: D: the diving reflex.
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Which one of the following statements about drowning is true?
A) Actual drownings are responsible for only a small number of water-related deaths. B) Children less than 1 year of age most commonly drown in swimming pools. C) Fences around swimming pools are the most effective means of preventing a child from drowning. D) Personal flotation devices afford little protection to a patient if he or she panics while in the water.
Which of the following is a disadvantage of nonthreaded couplings?
A. Adapters are required for use B. There is always a risk of cross-threading C. Fire hose cannot be connected with haste D. Hose can become uncoupled suddenly and violently
A 36-year-old patient who has overdosed on an unknown drug presents with his eyes closed, even when his name is loudly called. Which one of the following should the EMT do first?
A) Check the patient's vital signs. B) Check the mental status. C) Assess for a radial pulse. D) Determine what drug was taken.
Histology is a science that deals with the form and structure of organisms
Indicate whether the statement is true or false