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X-Ray positioning
Ch 12
176
Other
Professional
02/24/2007

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Term
What tissie is the most widely distributed?
Definition
Connective tissue
Term
where is connective tissue found
Definition
between other tissues
Term
What is the primary function of connective tissue?
Definition
to hold organs and tissues together
Term
What 3 odd additions are improtant to include into the connective tissue family?
Definition
bone, cartilage, and fat
Term
What is the basic function of muscle?
Definition
to stretch and contract
Term
Where are all the places you will find muscle?
Definition
heart, skeletal msc, and smooth msc of the disgestive tract and blood vessles
Term
What two subsets do neron tissue consist of?
Definition
Neurons, and supporting cells
Term
What do neurons do?
Definition
conduct electric impulses, that provide
rapid communication between structures
and control of body functions
Term
what is the largest and most complex unit of the body?
Definition
organ systems
Term
What are the 11 major organ systems of the human body?
Definition
integumentary, muscular, nervous, endocrine,
circulatory, lymphatic, respiratory,
digestive, urinary, reproductive, and
skeletal
Term
What is the principal component of the integumentary system?
Definition
skin
Term
what three things does the integumentary system include?
Definition
skin, hair, and nails
Term
what senses does the skin react to pertaining to the outside world?
(4)
Definition
pain, pressure, touch, and temp
Term
What is a secondary importance of muscles? (not movement of bones or heart beat)
Definition
maintaining heat
Term
What are the 3 components of the nervous system?
Definition
brain, spinal cord, and peripherial nerves
Term
What are the nerves that carry information from the centeral nervous system to the body called?
Definition
peripherial nervous system
Term
what are 4 of the examples of nervous system stimuli?
Definition
light, heat, pressure, sound
Term
How do the nerves accomplish their function?
Definition
by transmission of tiny electric impulses along the nerve
Term
What are ductless glands? why?
Definition
endocrine glands because secretions go to blood
Term
How are endocrine glands simular to nerves?
Definition
they communicate, integrate, and regulate body function
Term
How does the endocrine system control of bodily function differ from the nervous system control?
Definition
it is longer lasting
Term
what does the circulatory or cardiovascular system consisist of?
Definition
heart and blood vessels
Term
what 5 things does the lymphatic system consist of?
Definition
lymph nodes and lymph vessels
amd spleen, tonsils, and thymus
Term
what is the end goal of lymph?
Definition
to reach the circulatory system
Term
How does the lymph system connect to the cardiovascular system?
Definition
by the the thorasic duct
Term
what are the breathing passages of the respiratory system?
Definition
nose, mouth, pharynx, trachea, bronchi, and lungs
Term
what are bronchioles?
Definition
small peripherial branches of bronchi
Term
Where do the bronchioles terminate?
Definition
alveoli
Term
What are the primary organs of the digestive system?
Definition
mouth, pharynx, esophagus, stomach, Sm. intestine, lg, intestine, rectum, and anal canal.
Term
what kind of membrane does the GI tract?
Definition
mucus membrane
Term
what is the purpose of the urinary system?
Definition
to excrete waste from the body
Term
what is the only system that doesn't function for the survival of the individual?
Definition
reproductive
Term
what are the external organs or structural reproductive systems called?
Definition
genitalia
Term
what are the organs that produce reporductive cells?
Definition
gonads
Term
How many bones are there?
Definition
206
Term
what is the lay term for cartilage?
Definition
gristle
Term
What does cartilage do?
Definition
tough,yet flexible stregenth
Term
What do ligaments do?
Definition
provide connections between bones and cartilage
Term
what are the 2 divisions of the skeletal system?
Definition
axial, and appendicular
Term
what is in the axial skeleton?
Definition
skull, spine, sternum, and ribs
Term
What is in the appendicular skeleton?
Definition
extremities, pelvis and shoulder
Term
What is the contact bone called?
Definition
cortex
Term
What is the terminology of the look of spongy bone?
Definition
trabecular, or honeycomb
Term
what is the long bone cavity called?
Definition
medullary canal
Term
What is inside the medullary canal?
Definition
marrow
Term
What makes up Marrow?
Definition
fat, with blood vessels and immature blood cells
Term
What are the parts of bones that articulate to joints covered with?
Definition
joint cartilage
Term
What is the legenth of bone, or the area not a part of the joint covered with?
Definition
periosteum
Term
what is the shaft of the bone called?
Definition
diaphysis
Term
What is the flared protion at the end of the diaphysis called?
Definition
metaphysis
Term
What is the epiphysis?
Definition
rounded ends that from joints
Term
What is between the epiphysis and the metaphysis?
Definition
epiphyseal plate
Term
What is the epiphyseal line?
Definition
the fully calcified cartilage line that once was the epiphyseal plate
Term
What are the 2 names of the types of bone features?
Definition
projections, or depression
Term
condyle
Definition
rounded process that makes part of a joint
Term
coracoid
Definition
pointed projection (scapula)
Term
coronoid
Definition
beadlike projection (mandible)
Term
crest
Definition
bony ridge (iliac creat)
Term
epicondyle
Definition
projection above a condyle (elbow)
Term
facet
Definition
small, smooth process that makes part of a joint
Term
head
Definition
rounded, wide end of bone (rib)
Term
malleolus
Definition
club-shaped projection (tibia)
Term
process
Definition
general term for projection (coricoid process of scapula)
Term
protuberance
Definition
general term for projection(external occiputal protuberance)
Term
spine
Definition
sharp ridge that is long (scapula)
Term
styloid
Definition
long sharp process (ulna)
Term
trochanter
Definition
large, rounded processes of femur
Term
turbercle
Definition
small, rounded process ( greater tubercle of proximal humerous)
Term
tuberosity
Definition
rounded process larger than tubercle (greater tuberosity of proximal humerous)
Term
Fissure
Definition
linear depression, a groove (orbital fissure)
Term
Foramen
Definition
hole in a bone for the passage of blood vessels and nerves (foramen magnum)
Term
Fossa
Definition
a pit or hollow
Term
groove
Definition
shallow linear depression (bicipital groove of proximal humerous)
Term
sinus
Definition
cavity or hollow space
Term
sulucs
Definition
trenchlike depression, a deep fissure (carotid sulcus of sphenoid bone)
Term
What is the place called where two bones come together?
Definition
articulations
Term
What are the 3 classification of joint movement?
Definition
synarthrois, amphiarthrosis, diarthrosis
Term
what is synarthrosis?
Definition
a joint that dosen't move (sutures of the skull)
Term
what is Amphiarthrosis?
Definition
these joints are covered in fibrous cartilage, are cusioned by discs or fibrous cartilage (vertebrae)
Term
What is Diarthrosis?
Definition
joints that move freely, surfaces have articular cartilage and a fibrous capsule with a synovial fluid inside.
Term
what is it called when you have a sac filled with synovial fluid?
Definition
bursa
Term
where are major bursa located?
Definition
shoulder, elbow, hip and knee
Term
What are the 4 types of movement in diarthrodial joints?
Definition
circumduction, rotation, angular motion, gliding motion
Term
what is circumduction?
Definition
move in a circle, shoulder and hip, ball and socket
Term
What is rotation?
Definition
movemtn that turns on an axis, elbows in pronation and supination, turning of head from side to side)
Term
What is angular motion?
Definition
movement back and forth in a plane, hinge joints, knee
Term
What is gliding motion?
Definition
when one bone slides over another, kneecap when knee is bent
Term
what is radiographic positing?
Definition
placing the body or body part in proper position to get the desired image
Term
Is the palm the anterior or posterior surface of the hand?
Definition
anterior
Term
What does the sagital plane divide the body into?
Definition
left and right
Term
What does the coronal plane divide the body into?
Definition
front and back
Term
What does the transverse plane divide the body into?
Definition
superior and inferior (can be drawn at any level)
Term
what does the median plane divide the body into?
Definition
equal right and left halves (midsagittal)
Term
What does the midfrontal plane divide the body into?
Definition
equal parts front and back (midcoronal) and passes though the external auditory meatus, ctr, of shoulder, and greater trochanter, and lateral malleolus
Term
Recumbent?
Definition
lying down, then add the name of the body surface on which they are lying (dorsal recombent)
Term
upright?
Definition
erect, standing or seated
Term
how do you describe radiographic positioning?
Definition
in relation of how the body moves to the table
Term
decubitus position
Definition
recumbent w/ central ray horizontal or parallel to the floor (named by position in which body is lying, i.e. lateral decubitis (left))
Term
How do you name the side of the lateral position?
Definition
the side clossest to the table
Term
How do you get a lordotic position?
Definition
have the pt. lean back, while standing, so that only their shoulders touch the table
Term
how do you get an oblique position?
Definition
so that the coronal plane is not parallel with the the dable or Image Receptor
Term
How do you name the radiographic projection?
Definition
path of Central ray from tube though patient to Image Receptor.
Term
Axial projections
Definition
radiographs taken w/ a longitudinal angulation 10degrees or more or Central ray.
Term
Tangential projections
Definition
When Central ray skims profile of subject
Term
what are the 1st step to radiographic procedure?
Definition
1. assess patients and radiographic procedure (commmunication for instruction, and their jobs in procedure, will also make sure you are doing the right procedure)
Term
what is the 2nd step in taking a good x-ray (after taking to the patient and assesing the correct x-ray to take)
Definition
postion the Image Receptor correctly to get the best possible picture
Term
What are some of the important factors in taking an X-ray?
Definition
lead markers for R or L, patient placement, Image Receptor placement, instructions, exposure settings,
Term
What is the last step in taking an X-ray?
Definition
evaluating the image
Term
What are the 3 systems to use for Image Receptor selection?
Definition
screen/film cassetes (size matters)
Computed Radiology
Digital Receptor
Term
What are the 2 words used to determine correct orientation of the image recepor?
Definition
lengthwise, and crosswise
Term
What does legenthwise mean with Image Receptor?
Definition
long axis of the body
Term
what does crosswise placement of the Image Receptor mean?
Definition
perpendicular to the long axis of the body
Term
Why would you line the IR up diagonally?
Definition
when the body part is too long for the film legenthwise, forearm, lower leg
Term
how do you make multiple images on one IR?
Definition
cover the unused part w/ a lead blocker

some people use collimation only
Term
what happens to the tube for every 5 degrees of angulation?
Definition
it drops 1 inch
Term
What does a marker do?
Definition
indicate the side of the patient
Term
Should a side marker be used with every radiograph?
Definition
yes
Term
where are markers placed in and X-ray?
Definition
within IR margins and in radiaion field
Term
Where do you not want a marker?
Definition
where it will superimpose on the piece of interest
Term
Where should left and right markers never be put?
Definition
on the opposite side of the midline
Term
when should you be able to correctly see a marker box w/ the L or R in the readable position?
Definition
when the image is in the correcty box orientation
Term
How many times should you put a marker in for multiple images on one IR?
Definition
once if they are both of the same side
Term
which side marker should you use for AP and PA projections that have both sides of the body?
Definition
Right
Term
Which side is marked for the oblique?
Definition
the body side that is clossest to the IR
Term
Which marker is used for the lateral views?
Definition
the side that is closest to the IR
Term
What side is marked in the decubitus postions?
Definition
on the side up
Term
What is the purpose of a Hg in the plastic bubbile on the IR?
Definition
if the Ir is level the Hg will be in the center of the bubble
Term
Why would you want to mark the x-ray with either upright/decubitus or a Hg bubble?
Definition
to know if the pt. was upright or weight bering in the x-ray
Term
What is a personal side marker?
Definition
indication of the patients name and information
Term
What is the biggest dependent part on the success of the x-ray?
Definition
patient cooperation
Term
What are some of the things to tell your patient to help some images?
Definition
breathing, placement, movement,
Term
What to patients complain from when the positioner dosen't communicate well?
Definition
they just pushed me around
Term
what should the patients do breathing wise when taking a chest x-ray?
Definition
hold in a deep breath
Term
When would you tell a patient to take 2 deep breaths and hold the second one?
Definition
when maxium lung expansion is essential (chest radiography)
Term
why will taking 2 deep breaths and holding the second help when taking chest x-rays?
Definition
becuase it results in greater lung expansion and gives a warning to us if they are likely to cough
Term
When do you want to have expiration for your x-ray?
Definition
for supine abdomen, lower ribs, and lumbar spine
Term
What should you instruct your patient to do before exhaling and holding for abdomen x-rays?
Definition
take a deep breath in
so that you know they have enough O2 to hold the expiration
Term
When a patient is having trouble understanding your positioning directions what should you do?
Definition
take extra time to demonstrate
Term
what is a breathing techinique?
Definition
when the patient is breathing while taking the x-ray
Term
Why would you want to use a "breathing technique" in an x-ray?
Definition
to blur the rib and diaphram to make the objects of interest stand out from them
Term
How to you technically get a good "breathing technique?"
Definition
by increasing Time to 2sec
lowering mA
Term
lesion
Definition
Localized area of destrucive change in body tissue
Term
what is the difference between a symptom and a sign?
Definition
symptom: patients reported perception of condition (subjective)
sign: findings of physician (objective)
Term
What is a syndrome?
Definition
a group of manifestations (s/sx) that when put together are typical of a specific condition
Term
What is the beginning of making a diagnosis?
Definition
history
Term
what is a common way to break apart diseases?
Definition
structure/function
chronic/acute
contagious/non contagious
Term
What is a structural disease?
Definition
one that involves the changes to the cells of the boy
Term
what is a functional disease?
Definition
abnormal change in function w/ no structural change (HA)
Term
what is the difference between herditary and congenital diseases?
Definition
congenital diseases are present at birth and may or may not be heriditary. Heriditary means that they are from abnormal genetic makeup and may not be present at birth (DM)
Term
Anomalies
Definition
congenital conditions that cause abnormal variations in shape or form of a body
Term
What is the difference between acute and chronic disease?
Definition
Acute comes on suddenly, chronic are longer in durration and come and go (recurrent)
Term
What are the 2 ways to classify a disease by the cause?
Definition
endogenous/exogenous (by your own body as apposed to outside chemicals)
Term
what organ system are the most endogenous diseases associated with?
Definition
circulatory system
Term
What is it called when you have a lack of blood to flow?
Definition
vascular insufficiency
Term
What is it called when you have a lack of blood supply?
Definition
ischemia
Term
what are some examples of "collage dz" that are immune related?
Definition
RA, SLE, Ankalosing spondy,
Term
Trauma
Definition
physical injury from extreme temps, electricity, radiation
Term
fracture
Definition
when the bone is broken
Term
compound vs. simple fracture
Definition
compound the bone is out of the skin
simple the bone is just broken inside the skin
Term
dislocation
Definition
movement of bone from its normal spot in the joint
Term
sprain
Definition
injury to ligaments, tendons, and msc. around the joint
Term
strain
Definition
msc damage from excessive force
Term
laceration
Definition
cuts, tears though the skin
Term
infections
Definition
microbiologic agents that go into any part of the body but usually one that is in contact w/ the outside world
Term
What are the 2 most common infections
Definition
respritory system
wounds
Term
ulcer
Definition
craterlike sore one the skin or mucous membrane
Term
idiopathic
Definition
when the cause of disease is unknown
Term
edema
Definition
vascular swelling
Term
What is the rule for inflammatory conditions?
Definition
"itis" example: arthritis is inflammation in the joint
Term
What happens to the area with chronic inflammation?
Definition
degeneration
Term
atrophy
Definition
decrease in size or number of cells
Term
4 types of atrophy?
Definition
senile, disuse, pressure, endocrine
Term
hyperplasia vs. hypertrophy
Definition
hyperplasia: increase in # of cells
hypertrophy: increase in size of cells
Term
neoplasm
Definition
growths or tumors
Term
rule for neoplasms
Definition
end in "oma"
Term
benign vs. malignant
Definition
benign: single mass, remain in one locantion w/ limited growth
malignant: invade surrounding tissue and metastasis
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