EXTRA CREDIT QUESTION After completing the environmental toxicology unit it this class, how do you feel about the topic in general? For example, do you feel: More worried? Less worried? More informed? More confused? More empowered to understand the risks and how to reduce them? More concerned about our ability to regulate contamination? Etc. Briefly describe your thoughts and/or feelings upon finishing up this unit. (about 3-6 sentences) Thanks!

NOTE: You must take this exam in the classroom unless approved to take it elsewhere. If you are not in the room or an approved proctored location (such as the DRC), close the exam right now and contact your instructor immediately.  I understand that this exam is an assessment of the knowledge in my own brain. I agree that I will not use any resources other than my own mind while taking this exam (no other people or resources). I will not help anyone else on this exam by providing information about the exam. By typing my name in the box below, I acknowledge and agree to these terms.

The figure below shows the results from the Minnesota Pollution Control Agency’s most recent Life and Breath report. Shown are the rates of hospital visits attributable to air pollution (particulate matter) and separated by different demographic characteristics of Twin Cities zip codes. (PM2.5 = fine particle matter; BIPOC = black, indigenous, and people of color; uninsurance = no medical insurance; * = asthma hospitalizations are more severe and relatively rare; ED = emergency department).   Based on the data patterns, which of the following statements is/are TRUE? (select all that are true)

Per- and polyfluoroalkyl substances (PFAS), sometimes called “forever chemicals”, are known endocrine disruptors. However, other health effects are suspected. Below is a data plot from a study (Lau et al. 2003) that looked at the effects of exposure of the mother to PFOS (a type of PFAS) during fetal development in rats. They compared survival rates of the baby rats in a control group to five treatment groups of increasing fetal exposure doses up to 10mg/kg per day. Based on the data patterns in the figure, which of the following statements is/are TRUE? (mark all that are true)

EXTRA CREDIT QUESTION Frogs are important species in environmental toxicology because they absorb chemicals through their skin. They are often one of the first species affected by environmental toxic contamination. Which of the following is a term for a species like this? (HINT: We didn’t talk much about this in class, but a process of elimination will lead you to the correct answer.)

Order: Elixophyllin 0.24 g p.o. stat Supply: theophylline (Elixophyllin) elixir 80 mg/5 mL Give: __________ mL Label your answer as typed in the question!!!

Order: Septra suspension 400 mg p.o. bid Supply: trimethoprim and sulfamethoxazole (Septra) oral suspension 200 mg per 5 mL Give: __________ mL Label your answer as typed in the question!!!

Order: Lortab Elixir 5 mg po prn pain Supply: Lortab Elixir 7.5 mg/ 15 mL Give: __________ tsp. Label your answer as typed in the question!!!

Order:  morphine sulfate (Roxanol) oral solution 30 mg p.o. q4h prn, pain. Supply:  Roxanol oral solution 20 mg/5 mL Give: __________ mL Label your answer as typed in the question!!! Round to tenths place

Order: Dexamethasone 1 mg Supply: Dexamethasone 0.5 mg/tab. Give: __________ tablet(s) Label your answer as typed in the question!!!