chp 46 radiology

Which of the following has a sensitized piece of film in it that monitors the amount of radiation you are exposed to?

Dosimeter

Wall shields are made of which element?

Lead

Many patients have routine screenings for mammograms and chest X-rays, whereas others are performed as a(n)________________ to rule out or confirm a diagnosis.

diagnostic

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

20,000

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

Have they ever had an X-ray?

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

reproductive organs

Why does a patient need to hold still for an x-ray?

Because the image won't be blurry

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

follow the prescribed diet and take prescribed medications

brachytherapy

a type of internal radiation therapy in which seeds, ribbons, or capsules that contain a radiation source are place in your body near the tumor.

therapeutic radiation

a treatment uses beams of intense energy to kill cancer cells inside and outside of the body

Roentgen ray

a unit of exposure to ionizing radiation

teletherapy

refers to radiation therapy given by an external radiation source at a distance of the body

brachytherapy

a type of treatment that treats internally a specific part of the body

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

It allows better visualization of the colon

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

40

Which method of radiology provides a 'three-dimensional view' of the internal structures of the body?

CT scan

Which of the following is true for a patient preparing to undergo an upper GI procedure the next day?

Nothing to eat or drink after midnight

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

pelvic ultrasound

When scheduling a patient for an abdominal ultrasound, what should you instruct the patient?

Take nothing by mouth after midnight

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

Compressing

How is a 'tracer' placed into the body?

Through an IV

What do 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