Advanced Modalities

The chance of breast cancer occurring in men is about ___% of that for women.

1%

In order to qualify to sit for the ARRT examination in computer Tomography, a radiographer must complete a minimum of

125 repetitions

In what year was the first time ultrasound was used for medical diagnostics

1942

What year was ultrasound first used for medical diagnostics?

1942

The American College of Radiology (ACS) recommends that women older than the age of 40 years should have a screening mammogram every:

2 years

Peak bone mass is reached at about age _____ years.

20 to 30 years

The operator console for a Dexa scanner should be________ from the source

3 ft

How much CR angulation is required for the mediolateral oblique projection of an average-sized breast?

45

Which of the following views is NOT one of the standard views?

CC ( Caudocranial)

The most common projections performed as routine or basic projections throughout the United States and Canada are:

CC and MLO

_______ uses computer processed combinations of many X-ray measurements taken from different angles to produce cross sectional images of the specific anatomy scanned

CT

Men account for about 5 percent of all breast cancer. T or F

False

New York State has an RA program currently. T or F

False

The T-score is used to assess?

Fractured risk

contrast agent used in MRI?

Gadolinium

Precession is measured in which unit?

Hertz

OB/GYN is a specialty that specializes in

Imaging during pregnancy

What is Diagnostic Medical Sonography?

It is an ultrasound using high frequency sound waves. Provides real time information allowing a physician to diagnose, assess, and mange a patient's condition

______ uses strong magnetic fields, electric field gradients, and radio waves to generate images of the bodies/organs.

MRI

Which of these magnets has a constant field that doesnt require additional electricity or cooling?

Permanent magnet

Hydrogen atoms spin on their own axis, what is this called..?

Precession

_________ are usually trained technologist that have worked in the field and have extensive knowledge of different imaging modalities.

RA ( radiology assistant)

Who can INTERPRET the sonographic images?

RADIOLOGIST

please point to the transducer.

Transducer

Mammograms are used as a screening tool to detect early breast cancer in women experiencing no symptoms. T or F

True

Radiation therapy uses x-rays, gamma rays, and particulate radiation ( electrons and protons) to destroy cancer cells T or F

True

45% of breast carcinomas occur where in the breast?

UPPER OUTER QUADRANT

Which of the following subatomic particles have a charge? (select all that do): a) electron b) protons c) neutrons

a and b

Echocardiography a) Evaluates heart valves b) All the answers are correct c) Evaluates blood flow d) Assess chambers of the heart

b) All the answers are correct

Please identify which of the following statements identifying mammographic imaging is correct? a) mammography x-ray tube is different that diagnostic x-ray tube b) all of the listed. c) mammographic images are high contrast images d) mammography is known for its high contrast resolution

b) all of the listed.

Which of the following statements is not true about topographical anatomy of the breast?

base extended from 1 through 7 rib vertically

Gynecomastia is

benign breast enlargement in men

A sonographers' career can vary from: a) Scanning in a hospital/clinic b)Teaching c) All the choices are correct d)Sales

c) All the choices are correct

Benefits of Ultrasound are: a) Compact b) Low cost c) All the choices are correct d) No radiation or Magnet

c) All the choices are correct

All the following are considered specialties of sonography except: a) Abdominal b) Breast c) CTA d) OB/GYN

c) CTA

MR uses Ionizing radiation. T or F

false

Sonography provides real time information using magnetic waves allowing a physician to diagnose, assess, and manage patient's condition T or F

false

The most common advanced modalities to pursue are Computed tomography and sonography after you become a Radiographer T or F

false

Diagnostic Sonography has three major specialty areas. They are _________,__________, and __________.

general, echocardiography, and vascular

Which component of an MR machine helps with spatial localization..?

gradient system

The Z-score is used to determine:

if the measured BMD is reasonable

Limphatic vessels of the breast drain medially and laterally. Majority of the lymph however drains

laterally

What is the primary reason for high patient doses delivered during screening mammography?

low kV

A patient with a spine T-score of less than or equal to -2.5 (but no fractures) is classified according to the World Health Organization as:

osteoporotic

Original DEXA scanners used a __________beam and a ___________detector

pencil, single

What do we call a series of events that take place to create a Signal for MR imaging?

pulse sequence

Ultrasound was invented through the use of

sonar

Which type of magnet uses cryogens to allows a larger amount of electricity to flow without resistance?

superconductive

MRI magnet is measured in?

tesla

Which of the following is a unit of measurement regarding Magnetic Field Strength?

tesla

The purpose of vigorous compression of the breast during mammography is to

to decrease thickness of the breast

ARDMS is the American Registry for Diagnostic Medical Sonography T or F

true

DEXA stands for Dual Energy X-ray Absortiometry. T or F

true

The Earth has a magnetic field. T or F

true

The Magnet is always on. T or F

true

True or False? Due to specific dual energy x-rays being used for the study, DEXA scanning offers very low patient dose and almost negligible amount of scatter radiation.

true

Ultrasound uses soundwaves to gather information in order to diagnose & assess a patient's condition T or F

true