Using Key Terms 1. Define stimulant. 2. Identify the term that means "a drug that causes relaxation and sleepiness." 3. Identify the term that means "a drug that distorts perception, causing users to see or hear things that are not real." Understanding Key Ideas 4. List medical uses for three drugs of abuse. 5. Summarize why stimulants, depressants, opiates, and hallucinogens are dangerous when used for nonmedical uses.

Suppose there are 30 bacteria in a Petri dish at start time. Seven hours later, there are 360 bacteria in the dish. 1.) Express the number of bacteria, P, as a function of \( t \) hours passed. Note: Round the growth rate to 4 dec. places. \( P(t)= \) 2.) Use the model from part a to determine the number of bacteria, rounded to a whole number, in the dish after 20 hours:

22 Which of the following statements about Staphylococcus aureus is correct? \( \begin{array}{ll}\text { (A) } & \text { It is a mesophilic microorganism. } \\ \text { (B) } \quad \text { Cells will appear pink after Gram staining. } \\ \text { (C) } \quad \text { Enterotoxins produced are easily destroyed by heat. } \\ \text { (D) } \quad \text { It does not thrive well in an oxygen-rich environment. }\end{array} \)

Can a star-nosed mole be tamed as a house pet?

Which of the following anterior teeth have a cingulum that is located off-center toward the distal? a) Maxillary lateral incisorb) Maxillary caninec) Mandibular central incisord) Maxillary central incisor

1.1.6 The main purpose of an engine's air filter is that it ... A controls the engine's air intake volume B reduces the engine's air intake noise. C prevents air from entering combustion chamber D prevents dust and other foreign matter from entering the engine