Deck 14: Radiology and Diagnostic Imaging

Question 1

How does a radiopaque structure appear on a radiograph?

A)Black
B)Clear
C)Silver
D)White

Answer 1

White

Question 2

The permanent record of the picture produced on the X-ray film is known as a

A)radiology.
B)sonogram.
C)radiograph.
D)tomogram.

Answer 2

radiograph.

Question 3

The purpose of contrast medium is to

A)prevent the radiographic film from becoming blurred.
B)decrease the amount of time needed to develop radiographic film.
C)make a structure visible on a radiograph.
D)allow direct visualization of internal organs and structures.

Answer 3

make a structure visible on a radiograph.

Question 4

An instrument used to view internal organs directly is known as a

A)fluoroscope.
B)radiography.
C)fluoroscopy.
D)fluorometer.

Question 5

Mammography is used to detect

A)fibrocystic breast disease.
B)breast cancer.
C)benign breast masses.
D)breast calcifications.
E)all of the above.

Question 6

A physician specializing in the diagnosis and treatment of disease using radiation and other imaging techniques is known as a

A)radiologist.
B)radiology technician.
C)pathologist.
D)cardiologist.

Question 7

Which of the following individuals is at particular risk for osteoporosis?

A)A patient with osteoarthritis
B)An obese individual
C)A patient with diabetes
D)A postmenopausal woman

Question 8

Which of the following X-ray studies does not require the use of a contrast medium?

A)Bronchogram
B)Chest radiograph
C)IVP
D)Angiocardiogram

Question 9

All of the following are methods used to administer a contrast medium except

A)oral administration.
B)subcutaneous injection.
C)IV.
D)enema.

Question 10

Who discovered X-rays?

A)Radcliffe
B)Roentgen
C)Pasteur
D)Fleming

Question 11

What is a lateral radiographic view?

A)The X-rays are directed from one side of the body to the other side.
B)The X-rays are directed from the front to the back of the body.
C)The patient is positioned at an angle.
D)The X-rays are directed from the back to the front of the body.

Question 12

The breasts are compressed during mammography to

A)prevent the patient from moving.
B)protect the patient from radiation burns.
C)obtain a clear radiograph.
D)reduce patient discomfort.
E)do all of the above.

Question 13

What is an anteroposterior (AP)radiographic view?

A)The X-rays are directed from one side of the body to the other side.
B)The X-rays are directed from the front to the back of the body.
C)The patient is positioned at an angle.
D)The X-rays are directed from the back to the front of the body.

Question 14

Which of the following is an example of a radiolucent structure?

A)Lungs
B)Urinary bladder
C)Stomach
D)Intestines
E)All of the above

Question 15

What is the purpose of a bone density scan?

A)To detect a ruptured disk
B)To detect bone loss
C)To detect a stress fracture
D)To detect bone cancer
E)All of the above

Question 16

Which of the following instructions should be relayed to the patient regarding an upper GI radiographic examination?

A)Perform a cleansing enema on the morning of the examination.
B)Take a laxative the evening before the examination.
C)Do not eat or drink after midnight on the day before the examination.
D)Take dye tablets with the evening meal.
E)All of the above are appropriate instructions.

Question 17

The patient should be instructed not to move during the radiographic examination to prevent

A)being exposed to an excessive amount of X-rays.
B)being burned by the X-rays.
C)blurring of the image on the film.
D)confusing shadows on the film.

Question 18

Which of the following instructions should be relayed to the patient regarding a bone density scan?

A)Do not take a calcium supplement on the morning of the scan.
B)Take a laxative the evening before the scan.
C)Do not eat or drink after midnight on the day before the scan.
D)Avoid vigorous physical exercise for 2 days before the scan.
E)All of the above are appropriate instructions.

Question 19

The upper gastrointestinal (GI)radiographic examination is helpful in diagnosing

A)tumors of the large intestine.
B)kidney stones.
C)hemorrhoids.
D)GERD.
E)all of the above.

Question 20

Patient instructions for a mammogram include which of the following?

A)Do not wear lotions, powders, or deodorants.
B)Fast for 12 hours before the examination.
C)Schedule the examination several days before your menstrual period.
D)Take a mild sedative before the examination.
E)All of the above are accurate instructions.

Question 21

During the CT scan,the patient must

A)remain still.
B)move into various positions.
C)recite the Pledge of Allegiance.
D)consume a concentrated glucose solution.

Question 22

To prepare for a CT scan,the patient must

A)discontinue all medications 2 days before the scan.
B)remove all radiopaque objects.
C)consume four glasses of water 1 hour before the scan.
D)perform a cleansing enema on the morning of the examination.

Question 23

What is the term for the recorded image obtained with ultrasonography?

A)Radiograph
B)Sonogram
C)Cardiogram
D)Audiogram

Question 24

Which of the following is not a form of patient preparation for a lower GI radiographic examination?

A)Consume only clear liquids the day before the examination.
B)Take a laxative the day before the examination.
C)Do not drink anything (except water) beginning after midnight on the day before the examination.
D)Take tablets containing a contrast medium the evening before the examination.

Question 25

Why must gas be removed from the colon before a lower GI radiographic study?

A)It shows up as confusing shadows on the radiograph.
B)It obscures the image of the colon.
C)It makes the examination uncomfortable for the patient.
D)It results in blurring of the radiograph.

Question 26

A lower GI radiographic examination assists in evaluating and diagnosing

A)polyps.
B)cancerous tumors.
C)ulcerative colitis.
D)diverticulosis.
E)all of the above.

Question 27

Magnetic resonance imaging is used to assist in the diagnosis of

A)spinal lesions.
B)cardiovascular abnormalities.
C)herniated disks.
D)joint diseases.
E)all of the above.

Question 28

What effect does the barium suspension have on the stool after an upper GI is performed?

A)It is dark and tarlike.
B)It is streaked with blood.
C)It is whitish in color.
D)It is loose and watery.

Question 29

An IVP is used to assist in the diagnosis of all of the following except

A)kidney stones.
B)blockage of the urinary tract.
C)growths of the urinary system.
D)urinary tract infections.

Question 30

Which of the following is a characteristic of magnetic resonance imaging?

A)It is safe and painless.
B)The patient must remove all metal before the procedure.
C)The patient must remain still during the procedure.
D)The patient hears a metallic clacking sound during the procedure.
E)All of the above are correct characteristics.

Question 31

An IVP is a radiograph of the

A)kidneys, ureters, and bladder.
B)brain and spinal cord.
C)liver.
D)gallbladder and common bile duct.

Question 32

Which of the following is a characteristic of ultrasonography?

A)Cannot be used for bone studies
B)Shows movement
C)Allows for continuous viewing of a structure
D)Does not use radiation
E)All of the above

Question 33

Which of the following uses ultrasound to measure the direction and speed of blood as it flows through blood vessels?

A)DEXA scan
B)Doppler ultrasound
C)PET scan
D)Electrocardiography

Question 34

All of the following occurs during an upper GI radiographic examination except

A)barium is introduced into the colon through a tube.
B)the radiologist observes the passage of the barium through the GI tract.
C)radiographs are taken periodically.
D)the patient's position is changed at various times.

Question 35

Which of the following radiographic examinations uses air and barium to view the colon in great detail?

A)Myelogram
B)Double-contrast barium enema
C)Hysterosalpingogram
D)Colonoscopy

Question 36

Which of the following is not a characteristic of nuclear medicine diagnostic imaging procedures?

A)Radioactive substances are introduced into the body.
B)It shows the actual function of organs.
C)A gamma camera detects the radiation given off by the body.
D)The examination takes only a short time.

Question 37

Which of the following assists in the diagnosis of coronary artery disease?

A)DEXA scan
B)IVP
C)Nuclear cardiac stress test
D)Cerebral angiogram

Question 38

Which of the following is not a characteristic of computed tomography (CT)?

A)Uses sound waves to produce an image
B)Used for diagnostic studies of the brain
C)Produces a series of cross-sectional pictures
D)May use a contrast dye during the scan

Question 39

Before performing an IVP,the patient must be asked if he or she is allergic to

A)penicillin.
B)beets.
C)iodine.
D)barium.

Question 40

The purpose of an obstetric ultrasound is to

A)determine gestational age.
B)detect congenital abnormalities.
C)detect multiple pregnancies.
D)determine the position of the fetus in the uterus.
E)accomplish all of the above.

Question 42

Which of the following conditions can be diagnosed with a PET scan?

A)Brain cancer and heart disease
B)Diabetes
C)Inflammatory bowel disease
D)Multiple sclerosis

Question 43

Which of the following is an advantage of digital radiology?

A)Images can be taken and viewed immediately.
B)Images can be sent electronically to a network of computers.
C)The images can be saved on a CD or DVD.
D)Higher-quality images are produced.
E)All of the above are advantages of digital radiology.

Question 44

Match each type of imaging with its definition.
a.A radiograph of the urinary bladder
b.A radiograph of the lungs
c.A radiograph of the bile ducts
d.An ultrasound examination of the heart
e.A radiograph of the heart
f.A radiograph of the major arteries of the brain
g.A radiograph of the coronary arteries
h.A radiograph of the uterus and fallopian tubes
1.Angiocardiogram
2.Bronchogram
3.Cerebral angiogram
4.Cholangiogram
5.Coronary angiogram
6.Cystogram
7.Echocardiogram
8.Hysterosalpingogram