Exam 3: PACS and Radiation Therapy

monitors machine and ensures it is properly calibrated

Dosimetrist

monitors patient and record vitals

Nurse

places patient on the table and operates the console

Radiation Therapist

responsible for medically treating the patient if there is an event that is out of the ordinary in the patient's treatment

Radiation Oncologist

What sensation to patients feel when they are receiving radiation therapy treatments?

no sensation

Therapy units have couches that move with

6 degrees of freedom

The advanced treatment modality that is not available in Mobile Alabama is

proton therapy

The first step in the treatment process is

simulation

The most common therapy unit is the

linear accelerator

How does radiation kill a cancer cell?

by damaging its DNA

A physician who specializes in radiation therapy to treat cancer is known as

radiation oncologist

Radiotherapy treatment plans

are carried out by the radiation therapist

The very first therapeutic applications of ionizing radiation were used to treat

non-malignant conditions

The total tissue volume irradiated takes into account the

patient's body motions, such as respiration.

the zone of tissue surrounding the malignant mass.

size and dimension of the malignant mass.

The contemporary treatment planning process is typically completed

using a CT simulator.

All of the following are true of tomotherapy EXCEPT:

It employs planar tomographic principles.

The calculation of a radiotherapy treatment plan

are prescribed by a radiation oncologist.

Palliative treatment plans

require fewer treatment sessions than curative plans.

X-rays used for radiotherapy

are in the megavoltage range of energies.

Proton radiotherapy is particularly beneficial because of

protons depositing their total energy within the target tissue.

the positive charge of protons.

the minimal scatter radiation produced with protons

Radiotherapy treatments

are treated as prescriptions.

require a physician's order.

start with a consultation

The standardized file format that all picture archiving and communication systems use is known as

DICOM

The acronym PACS stands for

picture archiving and communication system

Which of the following is NOT an example of an architectural system used for PACS

communication based

Which of the following systems would a staff member from the Radiology department have access to?

PACS

HIS

RIS

EMR

Part of the PACS network that provides a framework of security standards for exchanging electronic health information.

HL7

What are the 4 main uses of a PACS system?

It is used for hard copy replacement, remote access, image integration, and workflow management.

What are three disadvantages to implementing a PACS system.

Costly to implement, requires personnel dedicated specifically to repairing and maintaining system, HIPAA can sometime get violated

Discuss reasons, other than cancer, that are treated with radiation therapy.

Ateriovenous Malformation, CNS

Keloids

Heterotopic Ossification

Dupuytren's Contracture

Brachytherapy is radiation therapy delivered

By putting radioactive sources near the tumor

What is the main purpose of an immobilization device in radiation therapy?

To ensure the same site can be treated each time

Radiation Therapy leaves healthy tissue that surrounds the tumor completely unharmed

false

Who determines the patient's treatment site and laser beam angles for treatment?

Dosimetrist and Radiation Oncologist

Fractionation is

spreading a dose out over time

Imaging gives the radiation therapist and oncologist

the ability to compare the planned treatment field with the anatomy of the patient.

Radiotherapy treatment plans require

An informed consent

Which of the following are examples of how PACS is used (select all that apply)

streamline the workflow process

image integration

grant access to remote locations

HIPAA stands for:

Health Insurance Portability and Accountability Act

Prior to the invention of PACS, how long did images on film have to be stored?

5-7 years

What does the acronym DICOM stand for? What is its purpose?

Digital Imaging and Communications in Medicine

Special imaging format designed to function on all pacs systems regardless of vendor and regardless of facility

treatment plan intended to eradicate

malignancy

curaitive plan

physician specializing in radiation therapy

radiation oncologist

first step in treatment planning process

simulation

achieved by moving the gantry and/or couch

beam angles

carries out treatment plans on patients

radiotherapist

tracing of the shape of the tumor volume as well as structures near the tumor volume that the radiation dose will affect

conturing

intended to extend life and/or improve quality of life in terminal patient

palliative plan

the point where all three rotational axes intersect from the simulator and for the treatment machine

isocenter

Which of the following systems would any member of a hospital staff have access to? (Select all that apply)

EMR

HIS

PACS

explain how chemotherapy and radiation therapy are different

rad therapy used high energy rays to target and kill the cancer cells at the target of cancer. Chemotherapy uses drugs that goes into the body to kill or shrink the cancer cells

what are the 4 main components of a PACS system

modality, network, archives, workstation

the purpose of immobilization devices is to

make therapy treatments reproducible

part of the PACS network that provides a framework of security standards for exchanging electronic health information

HL7

the main difference of HIS and RIS is

the HIS communicates between the entire hospital, including the radiology department