diagnostic tools

Question 1

x ray:

Answer 1

high energy radiation that PENETRATES skin and tissues (not metals or bone)

Question 2

radiologist

Answer 2

doctor that diagnoses diseases (thru abnormalities in radiographs)

Question 3

radiographs can be used to detect: (issa rap)

Answer 3

broken bones, kidney stones, tumours

Question 4

mammogram:

Answer 4

uses x rays to check breast tissue for cancer

Question 5

advantages of using x rays

Answer 5

• quick
• virtually painless
• not invasive

Question 6

disadvantages of x rays

Answer 6

can cause mutations to DNA

Question 7

how can patients protect themselves

Answer 7

part of body will be covered w protective LEAD APRON. thickness can’t be penetrated

Question 8

x rays: how can technicians protect themselves

Answer 8

may wear lead aprons or go behind walls (PROTECT FROM EXPOSURE)

Question 9

radioGRAPH vs x ray

Answer 9

x ray is the photon of energy

radiograph is the procured image

Question 10

fluoroscopy:

Answer 10

used x rays and a FLUORESCENT screen for moving images of internal structures

Question 11

fluoroscopy: what contrast liquid patient must ingest

Answer 11

barium or iodine for organ to be shown clearly

Question 12

angiogram:

Answer 12

shows images of blood vessels.

inject dye, blood flow is visualized

Question 13

CORONARY angiogram vs CEREBRAL angiogram

Answer 13

coronary (coeur): narrowing of arteries, visualize blood flow
cerebral (cerveau): blockages in blood vessels to brain

Question 14

blockages in blood vessels to the brain can lead to:

Answer 14

a stroke

Question 15

how is radiation used to treat cancer

Answer 15

beam of x rays directed at tumor.

Question 16

radiation vs x rays

Answer 16

radiation has minimal damage to healthy normal cell

Question 17

radiation therapy/radiotherapy:

Answer 17

damages DNA and stops cells from multiplying

Question 18

how does an ultrasound produce images of body tissues and organs

Answer 18

high frequency sound waves

Question 19

why are the stomach and intestines not viewed with ultrasound

Answer 19

images can be blurred by presence of gas or air

Question 20

three uses of ultrasound imaging

Answer 20

• study developing fetus
• guide a needle biopsy
• diagnose heart problems

Question 21

CT stands for

Answer 21

computed tomography

Question 22

CT (rhymes with __) scan vs simple x ray

Answer 22

produces 3D image from series of images at different angles. detailed view of structures.

Question 23

MRI stands for

Answer 23

magnetic resonance imaging

Question 24

how does an MRI produce detailed body images

Answer 24

powerful magnets and radiowaves

Question 25

what does a CT diagnose

Answer 25

cancer, vascular diseases, skeletal abnormalities

Question 26

why is a CT used frequently in the ER

Answer 26

quick, painless, provides detailed info

Question 27

MRI: a magnetic field is generated and interacts with what element in the body?

Answer 27

hydrogen (body is mostly water)

Question 28

two areas of the body an MRI can assess

Answer 28

brain and heart

🧠 ❤️

Question 29

NUCLEAR MEDICINE: radioisotope:

Answer 29

isotope that emits radiation

Question 30

what radioisotope treats thyroid cancer

Answer 30

iodine- 131

Question 31

BIOPHOTONICS: three procedures that utilize photonics

Answer 31

gastroscopy and colonoscopy (bright light and video camera)

endoscope surgery (gallbladder removal with camera and surgical instruments)