Which of the following is NOT a component of retching (dry heaves)?

If two events A and B, are independent, P(A|B) = 0.

Broad-spectrum antibiotic therapy commonly results in antibiotic-associated diarrhea. The resulting diarrhea is most likely secondary to which of the following?

You take three 100-point exams in your statistics class and score 80, 85 and 95. The last exam is much easier than the first two, so your professor has given it less weight. The weights for the three exams are: Exam 1: 35 % of your grade. (Note: 35% as a decimal for weight is .35) Exam 2: 35% of your grade. Exam 3: 30 % of your grade. What is your final weighted average for the class? (keep two decimals for the answer)

Ninety-eight percent of all babies survive delivery. However, 15 percent of all births involve Cesarean sections, and when a C-section is performed the baby survives 96 percent of the time. Let C denote the event where a C-section is performed and let S denote the event of the baby survives the delivery. Write the symbols for the following probability: the probability of a baby survives the delivery if (given) the C-section is performed. 

Which transporter is primarily responsible for intracellular Cl⁻ accumulation that supports CFTR-mediated secretion in intestinal crypt epithelial cells?

Which of the following is an effect of somatostatin in the stomach?

If two events A and B, are mutually exclusive, P(A|B) = 0.

Which feature of pepsin allows it to avoid digesting the cells that produce it?

What is the term for the passive movement of gas molecules from a high partial pressure to an area of low partial pressure until both areas are equal in pressure?