Deck 6: Diagnostic Agents

Question 1

Pharmacologic agents used in diagnostic radiographic testing are considered which one of the following?

A)Dyes
B)Steroids
C)Contrast media
D)Staining agents

Answer 1

Contrast media

Question 2

The pharmacologic agent used to delineate lymph nodes is which one of the following?

A)Lymphazurin
B)Indigo carmine
C)Lugol solution
D)Omnipaque

Answer 2

Lymphazurin

Question 3

Acetic acid is used to

A)remove small skin lesions.
B)enhance radiographic studies.
C)identify cervical dysplasia.
D)reveal corneal abrasions.

Answer 3

identify cervical dysplasia.

Question 4

All of the following are blue-colored dyes except

A)methylene blue.
B)indigo carmine.
C)Lymphazurin.
D)Lugol solution.

Question 5

How is Lymphazurin blue 1% used to find a sentinel node?

A)It is used to mark the skin at the site of the node.
B)The surgeon follows its path to the node.
C)The agent makes the nodes appear lighter.
D)The agent is injected at the sentinel node.

Question 6

If a surgical patient has a positive shellfish allergy and is undergoing a procedure that requires the use of a contrast media,what should the surgical technologist do?

A)Not use items containing latex in the sterile field
B)Have nonionic contrast agents available
C)Ask the surgical team to give Benadryl to the patient
D)Ask that the procedure be cancelled

Question 7

Which contrast media is approved for intrathecal use?

A)Hypaque-76
B)Omnipaque-240
C)Omnipaque-350
D)Visipaque-270

Question 8

During an operative cholangiogram,saline is injected to

A)dilute the contrast media.
B)verify catheter placement.
C)enhance the structures on x-ray film.
D)remove the contrast media after the x-ray study is complete.

Question 9

During an operative cholangiogram,the surgeon incorrectly asks for a dye to determine the presence of biliary stones.What should the surgical technologist do?

A)Ask the circulating nurse to bring a selection of dyes.
B)Ask the surgeon to clarify what is being requested.
C)Break scrub and look at the patient's medical record.
D)The surgical technologist should do nothing.

Question 10

All of the following are true of contrast media except

A)they are sensitive to light.
B)they are clear in color.
C)most contain iodine.
D)most are radiotransparent.

Question 11

A chemical agent is brought into the OR suite by the circulating nurse,during a laser procedure of the cervix.It smells like vinegar-what do you suspect the chemical agent is?

A)Monsel's
B)Acetic acid
C)Lugol's
D)Methylene blue

Question 12

Many radiopaque contrast media contain barium or

A)saline.
B)vinegar.
C)sodium.
D)iodine.

Question 13

Which procedure uses methylene blue in order to verify patent tubes?

A)Lymph node biopsy
B)Cystoscopy
C)Z-plasty
D)Chromotubation

Question 14

Dyes can be administered by all of the following methods except

A)injected into the bloodstream.
B)ingested into the digestive system.
C)applied topically to tissue.
D)instilled into cavities.

Question 15

Which agent is used to mark skin incisions?

A)Staining agents
B)Contrast media
C)Dyes
D)Diuretics

Question 16

Staining agents are used surgically to

A)identify abnormal cells.
B)mark normal tissue planes.
C)enhance visualization of body cavities.
D)visualize stones or blockages in body structures.

Question 17

Which dye is administered intravenously so that it can be excreted by the kidneys to show immediate damage to bladder or ureters?

A)Indigo carmine
B)Methylene blue
C)Gentian violet
D)Isosulfan blue

Question 18

To perform a Schiller's test of the cervix,which agent is applied topically?

A)Acetic acid
B)Monsel's paste
C)Gentian violet
D)Lugol's solution