9 Which of the following is true regarding endocrine organ histology? a. The thyroid gland consists of rings of stratified cuboidal follicle cells surrounding colloid. b. The pancreas has an exocrine portion consisting of pancreatic islets and an endocrine portion consisting of acinar cells. c. The adrenal cortex has three zones of cells that secrete steroid hormones d. The adrenal medulla is modified nervous tissue of the parasympathetic nervous system.

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6. On the basis of the reactions observed in the six test tubes, explain why the position of hydrogen cannot be fixed exactly with respect to all of the other elements listed in the activity series in Question 5. 7. What additional test(s) would be needed to establish the exact position of hydrogen in the activity series of the elements listed in Question 5? 8. On the basis of the evidence developed in this experiment: (a) Would silver react with dilute sulfuric acid? Why or why not? (b) Would magnesium react with dilute sulfuric acid? Why or why not?

17. SSE can never be a. larger than SST c. equal to 1 b. smaller than SST d. equal to zero 18. A regression analysis between sales (in S1000) and price (in dollars) resulted in the following equation Y 50,000 -X The above equation implies that an a. increase of $1 in price is associated with a decrease of $8 in sales b. increase of $8 in price is associated with an increase of $8,000 in sales c. increase of $1 in price is associated with a decrease of $42,000 in sales d. increase of $1 in price is associated with a decrease of $8000 in sales Exhibit 12-6 Dependent Variable 20 25 32 43 Independent Variable 12 19. Refer to Exhibit 12-6. The slope of the regression equation is a. 120.348 b. 12.1965 c.-2.5435 d. 2.5435 Refer to Exhibit 12-6. The y intercept is a. 120.348 b. 12.1965 c. -2.5435 20. d. 2.5435

QUESTION 16/17 A customer is traveling to a branch office, and the network administrator provides her with a static IP address for her laptop Which should the customer do to use the static IP address? Run the command "ipconfig configure static" Assign the static IP in network adapter settings Switch the button from dynamic to static on her laptop Disconnect from WiFi and use an Ethernet cable Type the IP address into the browser