CONTRAST MEDIA FINAL EXAM QUESTIONS
AND CORRECT ANSWERS
Why is contrast media used in radiographic imaging? - CORRECT ANSWERS✅✅To enhance
the subject contrast of the area of interest
A negative contrast agent will_______ density? - CORRECT ANSWERS✅✅Increase
Radiographic images that demonstrate few density differences define? - CORRECT
ANSWERS✅✅Low subject contrast
T/F: High atomic number elements absorb x-rays at a greater rate than low atomic number
elements? - CORRECT ANSWERS✅✅True
T/F: Radiolucent contrast media are also called positive contrast agents? - CORRECT
ANSWERS✅✅False
Which contrast agents appear light on radiographs and are composed of elements with high
atomic number? - CORRECT ANSWERS✅✅Positive contrast agents
Each of the following is an example of a negative contrast media except? Air, Soda Water,
Barium Sulfate, Gas - CORRECT ANSWERS✅✅Barium Sulfate
T/F: Barium Sulfate is soluble in water? - CORRECT ANSWERS✅✅False
Radiopaque contrast media is a positive or negative? - CORRECT ANSWERS✅✅Positive
, T/F: Barium Sulfate can dry within the colon and can cause an obstruction? - CORRECT
ANSWERS✅✅True
Oil-based contrast media are made from? - CORRECT ANSWERS✅✅Fatty acids
The total number of particles in a solution is known as what? - CORRECT
ANSWERS✅✅Osmolality
T/F: Non-Ionic contrast media is associated with low osmolality? - CORRECT
ANSWERS✅✅True
What can you do to the contrast to reduce the viscosity? - CORRECT ANSWERS✅✅Warm the
contrast
What are the most common lab test to check the function of the kidneys? - CORRECT
ANSWERS✅✅BUN, Creatinine
Radiolucent contrast agents appear ______ on radiographs? - CORRECT ANSWERS✅✅dark
Oil-based iodine contrast media are used for all of the following except? Dacryocystography,
bronchography, lymphography, myelography - CORRECT ANSWERS✅✅Myelography
What type of syringes should be used to administer oil-based contrast media? - CORRECT
ANSWERS✅✅Glass
T/F: Ionic contrast media dissociates into 2 molecular particles? - CORRECT
ANSWERS✅✅True
AND CORRECT ANSWERS
Why is contrast media used in radiographic imaging? - CORRECT ANSWERS✅✅To enhance
the subject contrast of the area of interest
A negative contrast agent will_______ density? - CORRECT ANSWERS✅✅Increase
Radiographic images that demonstrate few density differences define? - CORRECT
ANSWERS✅✅Low subject contrast
T/F: High atomic number elements absorb x-rays at a greater rate than low atomic number
elements? - CORRECT ANSWERS✅✅True
T/F: Radiolucent contrast media are also called positive contrast agents? - CORRECT
ANSWERS✅✅False
Which contrast agents appear light on radiographs and are composed of elements with high
atomic number? - CORRECT ANSWERS✅✅Positive contrast agents
Each of the following is an example of a negative contrast media except? Air, Soda Water,
Barium Sulfate, Gas - CORRECT ANSWERS✅✅Barium Sulfate
T/F: Barium Sulfate is soluble in water? - CORRECT ANSWERS✅✅False
Radiopaque contrast media is a positive or negative? - CORRECT ANSWERS✅✅Positive
, T/F: Barium Sulfate can dry within the colon and can cause an obstruction? - CORRECT
ANSWERS✅✅True
Oil-based contrast media are made from? - CORRECT ANSWERS✅✅Fatty acids
The total number of particles in a solution is known as what? - CORRECT
ANSWERS✅✅Osmolality
T/F: Non-Ionic contrast media is associated with low osmolality? - CORRECT
ANSWERS✅✅True
What can you do to the contrast to reduce the viscosity? - CORRECT ANSWERS✅✅Warm the
contrast
What are the most common lab test to check the function of the kidneys? - CORRECT
ANSWERS✅✅BUN, Creatinine
Radiolucent contrast agents appear ______ on radiographs? - CORRECT ANSWERS✅✅dark
Oil-based iodine contrast media are used for all of the following except? Dacryocystography,
bronchography, lymphography, myelography - CORRECT ANSWERS✅✅Myelography
What type of syringes should be used to administer oil-based contrast media? - CORRECT
ANSWERS✅✅Glass
T/F: Ionic contrast media dissociates into 2 molecular particles? - CORRECT
ANSWERS✅✅True
