Which of these structures appears radiolucent?

Directing a cool O2 mixture to an infant in an Oxy-Hood can result in which of the following? 1. Increased O2 consumption 2. Increased convective heat loss 3. Apnea (cessation of breathing)

a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3

Combination codes that include the substances related to adverse effects, poisonings, toxic effects, and underdosing are reported with __________

a. codes T00–T35 b. codes T36–T65 c. numerous S and T codes d. numerous Z codes