What type of communications equipment functions as a radio receiver and searches across several frequencies?

First-generation antihistamines are ________; therefore, they cross the blood–brain barrier and enter the CNS, causing sedation

A) hallucinogenic B) lipophilic C) creatinine D) cholinergic

When assessing the breath sounds (during a rapid secondary exam) of a critical trauma patient, it is best to auscultate each lung in at least how many places?

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