Which two deviations of the trunk result in reduced respiratory function?

In the event that OEC Technicians are exposed to an organophosphate or a chemical nerve agent, they may need to self-administer the nerve agent antidote. Which of the following statements regarding the self-administration of a nerve agent antidote is false?

a. "If severe symptoms are present, three atropine auto-injectors and three 2-PAM Cl injectors are administered in rapid succession." b. "The medication is administered in a way that is similar to that for an Epi-Pen." c. "If the nerve agent has been ingested, exposure may continue for some time, and a relapse is a possibility." d. "Depending on the symptoms observed, the initial treatment will either be an atropine auto-injector or a 2-PAM Cl injector."

The structure of the first premolar not seen from the occlusal view is the:

A. distal marginal ridge B. mesiobuccal, distobuccal, mesiolingual  grooves C. transverse ridge D. mesial and distal fossae