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Name____________________Date_______Period________

Lost in the Desert! A Case Study

Answer Sheet

Part I

1. Given the conditions, what should Henry do to try to save Mark?

2. What has caused Mark’s weakness, disorientation, headache, and

low blood pressure? Why isn’t he sweating?

Part II

3. Why didn’t the paramedic give Mark distilled water rather than an

electrolyte/glucose solution?

Part III

4. What should Mark be concerned with regarding these moles?

5. What tests might Dr. Culp conduct after removing the moles?

Final Set of Case Questions:

Use the space below to answer the questions.

6. Define the terms in the case study highlighted in boldface.

7. Assuming that Mark lost around 4 liters of water, what percentage of his body water

did he lose?

8. Would you expect his urinary volume to decrease or increase in his trek? Please

explain your answer.

9. Why was Mark’s blood pressure so low? Would his pulse rate decrease or increase?

Please explain.

10. Why was Mark dizzy and disoriented?

11. Assume that Mark had an unopened six pack of beer in his car. Would it have been

a good idea for Mark to bring the beer in case he got thirsty? Why or why not?

12. What vitamin would Mark have in greater amounts in his body after that day?

13. What did Mark do that increased his chance of burns?

14. Why would Mark’s skin have looked red within the first few hours of his adventure

rather than redness developing hours and days later as a result of “sunburn”?