In ____, inflammation causes obstruction of the bronchial tree. 

Avogadro's number is 602,213,700,000,000,000,000,000. What does this number represent?

A) The total number of atoms in 10 grams of a substance B) The total number of moles in 10 grams of a substance C) The total number of atoms in 12 grams of carbon-12 D) The total number of moles in 12 grams of carbon-12

A rad, which stands for ________, is the unit used to measure the amount of ionizing radiation absorbed during an X-ray procedure

a. radiation all distributed b. radiation amount disbursed c. radiation about destroyed d. radiation absorbed dose