Chapter 47: Radiology Procedures

Radiation and X-rays are contraindicated in pregnant women; they can be damaging to an unborn child, especially in the first ___ months of pregnancy, sometimes before the patient is even aware she is pregnant.

three

All staff working in the radiology department or taking radiographs must wear a ____ to evaluate radiation exposure.

personnel monitoring device

Many radiologic procedures show how a specific anatomic structure appears, and some require the patient to follow special preparation or may require which of the following?

a. A special diet

b. The use of laxatives

c. A contrast media

d. All of the above

d. All of the above

is a technique by which internal structures are made visible by recording the reflections of ultrasonic sound waves directed into the tissues.

sonography

A(n) _____ is an imaging test that uses a radioactive substance called a tracer to look for disease in the body and show how organs and tissues are working.

positron emission tomography (PET) scan

A magnetic resonance imaging (MRI) usually takes how long to be performed?

a. 10 to 20 minutes

b. 20 to 40 minutes

c. 30 to 60 minutes

d. 60 to 90 minutes

c. 30 to 60 minutes

Sonograms can be very useful in diagnosing:

a. gallstones.

b. tumors.

c. heart defects.

d. All of the above

d. all of the above

This method of radiology generates images of the tissue in slices about 1 cm thick.

a. MRI

b. Sonogram

c. Mammogram

d. CT scan

d. CT scan

Which of the following imaging tests uses a radioactive substance known as a tracer?

a. MRI

b. CT scan

c. PET scan

d. Angiogram

c. PET scan

A dosimeter can last up to:

a. six months.

b. two months.

c. one month.

d. four months.

d. four months

A fluoroscope is used to do which of the following?

a. Change the density of the structure, allowing better visualization.

b. Look inside the bladder to obtain a better view.

c. Distend the area to make structures more visible.

d. Make visible shadows of objects interposed between the screen and the tube.

d. Make visible shadows of objects interposed between the screen and the tube.

Which of the following studies does not require special preparation?

a. Barium enema

b. Upper GI

c. Cholecystogram

d. Chest X-ray

d. chest x-ray

In this type of therapeutic radiation, radioactive implants are placed by the radiologist close to or into the cancerous tissue.

a. Physical therapy

b. None of the above

c. Brachytherapy

d. Teletherapy

c. Brachytherapy

When preparing a patient for a study of the gallbladder, you should tell the patient to:

a. follow the prescribed diet.

b. eat and drink what they normally would.

c. not take any prescribed medications.

d. None of the above

a. follow the prescribed diet

When preparing for a Lower GI series, why should the patient avoid milk and dairy products?

a. So the patient does not become ill

b. It may interfere with the contrast

c. They contain lactose and that cannot be mixed with the contrast

d. It allows for better visualization of the colon

d. it allows for better visualization of the colon

The American Cancer Society recommend a baseline mammography at the age of ___ for all women.

40

Some patients experience ___ when having a closed MRI.

claustrophobia

Sonograms are not useful in viewing the ____ because sound waves are not created by structures containing air.

lungs

Ultrasound or sonography is a process of using sound waves with a frequency of over ____ vibrations per second.

20,000

Wall shields are made of which element?

a. Lead

b. Mercury

c. Steel

d. Iron

a. lead

When scheduling a patient for an abdominal ultrasound, what are important instructions that should be given to the patient?

a. Arrive 2 hours early

b. Drink 24-30 ounces of fluid one hour before examination

c. Take nothing by mouth after midnight

d. Do not urinate after drinking the liquid

c. take nothing by mouth after midnight

This method of radiology provides a three dimensional view of the internal structures of the body.

a. MRI

b. CT Scan

c. X-ray

d. Pet Scan

b. ct scan

A big lead apron will be put over the patient to protect the ____ from the X-rays.

reproductive organ

Film badges are also frequently used ___.

dosimeters

An ultrasound that uses a vaginal probe to aid in visualizing internal structures would be called a(n):

a. fetal ultrasound

b. pelvic ultrasound

c. abdominal ultrasound

d. noninvasive ultrasound

b. pelvic ultrasound

When preparing a patient for an X-ray, you should ask the patient which of the following questions?

a. Why are they having the X-ray?

b. How many X-rays have they had?

c. Have they ever had an X-ray?

d. How are they feeling?

c. Have they ever had an X-ray?

Doing which of the following to the breasts during a mammogram requires less radiation to be used?

a. Massaging

b. Compression

c. Implanting

d. Taping

b. compression