Determine the dosage to administer. Ordered:      phenobarbital 30 mgOn hand:      Phenobarbital 20 mg / 5 mLGiven:            __________

Placement of postconstriction extensions in a tube can deflect a flow 180 degrees along a new wall contour. This phenomenon illustrates the:

a. Coanda effect. c. Bernoulli principle. b. Venturi principle. d. Bernoulli-Coanda inversion.

How many paranasal sinus pairs are there?

A) 2 B) 4 C) 6 D) 8