pt care ch 21

Question 1

atomic number

Answer 1

number of protons in the nuclei

Question 2

what enhanced subject contrast depends on

Answer 2

atomic number of the element used in particular medium and concentration of atoms of the element per volume medium

Question 3

negative contrast agents decrease and produce

Answer 3

attenuation fo the beam and produce areas of increased density on the radiograph (gas, air)

Question 4

positive contrast agents increase and produce

Answer 4

attenuation and produce areas of decreased density on the radiograph

Question 5

x-ray photons effect on radiolucent contrast media

Answer 5

transmitted or scattered through media

Question 6

contraindications for using barium in lower gi (pt conditions)

Answer 6

diverticulitis ulcerative colitis older patients toxic megacolon

Question 7

how much should a balloon be inflated for be

Answer 7

30-90

Question 8

purpost of heating contrast

Answer 8

reduces viscosity and facilitates ability for rapid injection

Question 9

osmosis

Answer 9

water moves from area of high concentration to an area of low concentration

Question 10

BUN what is it

Answer 10

blood urea nitrogen

Question 11

what is creatnine

Answer 11

wast roduct of metabolism

Question 12

what must be done when a pt is on glucophage

Answer 12

discontinue 48 hrs before and after procedure

Question 13

why nonionic iodinated contrast isnt used on all patients

Answer 13

cost 2 to 3 times more

Question 14

exams water soluable contrast is used

Answer 14

ct studies

Question 15

pt care aspect that must be done beore administering water soluable contrast

Answer 15

patient history

Question 16

oil bast contrast made from

Answer 16

fatty acids found in animals and plants

Question 17

what happens when oil based contrast is exposed to light, heat, air, how to prevent from happening

Answer 17

starts to decompose store in dark cool place

Question 18

what not to use when admisisturing oil-based contrast and why

Answer 18

plastic syringe

toxic substances from plastic dissolve into contrast

Question 19

dissadvantage of oil-based contrast

Answer 19

stays in body

Question 20

radiopharmaceutical is not

Answer 20

contrast agent

Question 21

ionic

Answer 21

one particle with a negative charge and other has positive charge

Question 22

atomic number of barium

Answer 22

56

Question 23

hypervolemia

Answer 23

excess fluid entering circulatory system

Question 24

chemical formula of barium

Answer 24

BaSO4

Question 25

iodine atomic number

Answer 25

52

Question 26

barium peritonitis

Answer 26

barium leakage from a duct or vessel resulting in inflamation of abdominal cavity

Question 27

thoracostomy tubes remove what

Answer 27

fluid or air

Question 28

body temp

Answer 28

measurment of degree of heat of the deep tissues of the body

Question 29

homeostasis

Answer 29

constancy in the inter;nal environment maintained by adaptive responses that promote healthy survival

Question 30

pulse oximeter

Answer 30

photoelectric device used to determine oxygen saturation of blood

Question 31

tachypnea

Answer 31

rapidly of breathing

Question 32

respiratory system plays what role with body temp

Answer 32

removes excess heat through ventilation

Question 33

common routes for measuring body temp

Answer 33

oral, tempanic, temporal, axillary, rectal

Question 34

method of body temp measurment said to be most accurate

Answer 34

rectal

Question 35

how respiratory rates measured

Answer 35

number of breaths per min

Question 36

sphygnomanomete consists of and where is it placed on the patient

Answer 36

cuff tubing valve bulb \ | upper arm of pt

Question 37

common device for delivering low concentration of oxygen

Answer 37

nasal cannula

Question 38

systolic

Answer 38

period of contraction of heart

Question 39

diastolic

Answer 39

period to dilation or a period of relaxation of the heart

Question 40

dyspnea

Answer 40

difficule or labored breathing

Question 41

how long thermometer has to stay in place for axillary reading

Answer 41

5 to 10 min

Question 42

how long does it take for brain damage when there is lack of oxygen

Answer 42

6 min

Question 43

when is systolic pressure obtained when taking a blood pressure

Answer 43

first sound of blood flow

Question 44

when is diastolic pressure obtained when taking a blood pressure

Answer 44

last sound of blood flow

Question 45

how is blood pressure recorded

Answer 45

systolic | diastolic

Question 46

tissues are most sensitive to hypoxia

Answer 46

brain, heart, lungs and liver

Question 47

3 common sites for measuring pulse

Answer 47

radial artery brachial artery carotid artery