The first exposure to an allergen may not cause a response, but the second exposure will cause ____________, which is a sure sign of an allergy.

How much oxygen is in room air?

The onset of an aura is characteristic of what stage in the seizure process?

A sublingual injection should be given at a ________________.

You would expect a patient with hyperthyroidism to be?

What can contribute to unconsciousness?

What does Nitroglycerin do? 

A heart block is caused by _______________.

Blood gas exchange occurs in the ________________.

When the oxygen tank is full it has _______ psi.