1. Question: Which organism is a common sexually transmitted bacterial infection?

22. Question: The function of the foramen ovale in a fetus allows what to occur?

23. Question: How much urine accumulates in the bladder before the mechanoreceptors sense bladder fullness?

24. Question: The lung is innervated by the parasympathetic nervous system via which nerve?

25. Question: What is the trigone?

26. Question: What is the action of urodilatin?

27. Question: The generation of clonal diversity occurs primarily during which phase of life?

28. Question: Which substance has been shown to increase the risk of cancer when used in combination with tobacco smoking?

29. Question: Which type of immunity is produced by an individual after either natural exposure to the antigen or after immunization against the antigen?

30. Question: The only surface inside the nephron where cells are covered with microvilli to increase the reabsorptive surface area is called the: