Which of the following will have no effect on the prothrombin time?
A. severe vitamin K deficiency
B. liver disease
C. factor VIII deficiency
D. factor II deficiency
Answer: C
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Which of the following was identified by data from New York State as the most common type of crash involving an ambulance?
A) Lateral impact at an uncontrolled intersection with low visibility B) Rollover due to high speed on a wet roadway C) Rear-end collision at low speed with no weather issues D) Lateral impact at a controlled intersection with no weather issues
The first line of defense against infectious agents in the human immune system response is
A) physical barriers. B) antibodies. C) complement. D) white blood cells.
Which of the following statements defines an index?
A) Numerical expression of values used to describe a condition B) Rate of old and new cases occurring within a year C) Number of individuals in a population presenting with the disease D) Number of diseased teeth or sites per individual E) Number of risk indicators present in an individual
The eye is protected from particles and foreign material by the upper eyelid, lower eyelid, and eyelashes.?
Indicate whether the statement is true or false