Innate immunity consists of the physical barriers to foreign invaders, which include all of the following, EXCEPT ________.
A. skin
B. mucous membranes
C. tears
D. blood
Answer: D
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Which of the following is a use of dry-chemical fire-extinguishing systems?
A. For energized electrical equipment B. For deep-fat fryers and commercial kitchens C. Where reignition of burning material is likely D. Wherever rapid fire extinguishment is required
Which type of bone is cube-shaped in appearance?
A) Long B) Irregular C) Short D) Regular
The Health Information Technology for Economic and Clinical Health Act was signed into law by:
A) President Barack Obama. B) President George W. Bush, Sr. C) President Bill Clinton. D) President George W. Bush, Jr. E) None of the above
The oral vacuum system that removes fluids from the oral cavity slowly is the ____________
a. saliva ejector b. HVE c. ultrasonic cleaner d. none of the above