a. Explain the difference between constructive interference and destructive interference. Include how the amplitude of the resulting wave changes in each case and give one example of each. (5 pts) b. A pipe is open at one end and closed at the other end. Explain the difference between a node and an antinode in a standing wave. How are the positions of nodes and antinodes separated from each other in the pipe? (5 pts)

a. Explain Pascal’s Principle. Describe how pressure is transmitted through a fluid and discuss its applications. b. Explain how pressure in a liquid changes with depth. Compare the pressure at a depth of 2 m in a swimming pool and at a depth of 2 m in the ocean. Which location has greater pressure and why?

What is the proper title for a mayor of a municipality?

What is one question based on the material in this unit that you were expecting to see, but it wasn’t on the exam. Give both the question and the correct answer. (2 pts)

For benign prostatic hyperplasia (BPH), explain: The underlying etiology of the disease. (1 pt) How prostatic enlargement leads to impaired urination. (1 pt) How BPH may contribute to impaired sexual (or erectile) function. (1 pt) ** Your answers should describe the pathophysiologic mechanisms rather than simply listing symptoms.

Please match each disorder on the left with the best description of its causative factor on the right. (1 pts each; 4 pts total)

Urine is normally clear, yellow, and has a mild odor. For each of the urine characteristics below, identify one possible cause and briefly explain the pathophysiologic mechanism responsible for the change in the urine’s appearance or odor. (1 pt implication, 1 pt explanation; 4 pts total) Cloudy urine Dark-colored urine

Polycystic ovary syndrome (PCOS) is a complex endocrine disorder.  Explain the pathophysiologic changes involving the hypothalamic-pituitary-ovarian (HPO) axis that contribute to the development of PCOS. (2 pts) How this dysfunction alters hormone secretion by the theca and granulosa cells. (2 pts) How these hormonal changes affect ovulation and fertility (2 pts)

When asked the question, “What would happen if the dinosaurs could chew bubble gum?” E. responded by saying, “That’s not possible! Dinosaurs aren’t alive.” Piaget would argue that E. responded this way as their thinking is defined by the limitations of which stage of cognitive development? Explain by connecting the limitation of the stage you selected to E.’s response. 

What is Emerging Adulthood according to Jeffrey Arnett? Identify one of the five characteristics that he outlined for this age period.