24. What is the radiographic study in which a contrast medium is introduced through a cystoscope directly into the bladder and ureter to locate a urinary tract obstruction?

21. Which of the following describes an incision of the bile duct?

26. An abnormal tube-like passage from one organ to another or from one organ to the surface is a(n):

5. Backflow (reflux) of gastric contents into the esophagus as a result of malfunction of the lower esophageal sphincter (LES) is called:

15. What is the meaning of the term orchidorrhaphy?

Place the following events of hearing in order. 

28. Surgery to correct cryptorchidism is called:

Where are photoreceptors located in the eye? 

What is the term for the loss of accommodation of the eyes, often associated with older age? 

Which structure of the eye forms a transparent layer responsible for refraction of light through the iris?