The combining form roentgen/o- means ________. A) energy; ...

[kodithompson]

The combining form roentgen/o- means ________.
 
  A) energy; power
  B) light
  C) film; picture
  D) radiation; x-ray

Question 2

A vaccine that is attenuated contains bacterial or viral cells that ________.
 
  A) show a shift to the left
  B) are abnormally small
  C) have been weakened
  D) contain antibodies

[jasonq]

Answer to Question 1

D
Explanation: A) There are no medical word parts that mean energy.
B) Phot/o- means light.
C) The suffix -gram means picture; record. There are no medical word parts that mean film.
D) Correct

Answer to Question 2

C
Explanation: A) Shift to the left refers to a peripheral blood smear, not a vaccine.
B) The cells in vaccines are not abnormally small.
C) Correct
D) Vaccines do not contain antibodies.