Question

question 19
a \pyelogram\ records information about the:
○ kidney pelvis
○ kidney ureter
○ gallbladder
○ kidney nephron

question 20
the etiologic agent of syphilis is a:
○ helminth
○ rickettsia
○ spirochete
○ virus

question 21
the term \ophthalmo/scop/e\ means:
○ instrument to examine the ear
○ instrument to examine the larynx
○ instrument to examine the eye
○ instrument to examine the nasal cavity

Explanation:

• For Question 19: A pyelogram is an X - ray of the renal pelvis and ureters after injection of a contrast medium. It mainly records information about the kidney pelvis.
• For Question 20: Syphilis is caused by the bacterium Treponema pallidum, which is a spirochete.
• For Question 21: The root "ophthalmo -" refers to the eye, and "scope" means an instrument for viewing. So "Ophthalmo/scop/e" is an instrument to examine the eye.

Answer:

Question 19: kidney pelvis
Question 20: Spirochete
Question 21: instrument to examine the eye