Word Roots
Body and main part of the word
Every Medical Term may contain 2+ roots -Ex: Cardi means "heart"
Prefix
precedes, comes before word root -changes the meaning of the word
1+ letter(s)
not all medical terms have one
when by itself always ends in a "-"
Suffix
-Element added after the word root
changes meaning
at the end of every medical term
1+ group of letter(s)
ex: Ectomy means excision or surgical removal
Combining Vowel
used to join 2 word roots
placed between word root and suffix
most common is 'o'
makes words easier to pronounce
no impact on definition
Combining Word Elements
Can be put together to build a medical vocabulary
Is important to learn and recognize the most common word elements
Ex: Cardi/o/logy
Pros and Cons of using abbreviations
Pro: can speed up communication Con: Can cause confusing leading to incorrect interpretations
Dorsal Cavity
Back of the body
Includes: Spinal Cord, Brain, Spinal Cord, meninges, Blood vessels, nervous, and central nervous system
Ventral Cavity
Front of the body
Divided by the diaphragm into the thoracic cavity and the abdominopelvic cavity
Anterior/ Ventral
Front of the Body
Posterior/Doral
Back of the Body
Superior
Area closer to the head
Distal
Area closer to feet
Proximal
closer to point of attachment
Medial
Middle or midline of the body
Deep
Farther away from the surface
Abduction
Means movement of the limb away from the body.
Adduction
Refers to limb movement toward the body
Flextion
Bending, decreasing the angle between joints
Extensions
Straightening, increases the angle of between joints
Body Planes
Imaginary lies drawn through upright body
Sagittal
Divides body into exact left and right sides
Coronal
Divides body into front and back halves
Transverse
Divides body into upper and lower parts
Right Upper Quadrant (RUQ)
Contains liver and gallbladder
Right Lower Quadrant (RLQ)
Contains appendix, small intestines, descending and sigmoid colon
Left Upper Quadrant (LUQ)
Contains Stomach, pancreas and spleen
Left Lower Quadrant (LLQ)
Contains Small intestines
Define Disease
Any condition that interferes with the normal functioning of the body
Diagnosis
The process of determining what is making a patient ill Can Include:
studying the patients medical history
listening to description of illness
physical exam
analyzing the results of diagnostic tests
Hereditary or genetic Diseases
Results from abnormalities in a persons genes
Ex: Down Syndrome
Congenital Disease
Exists at birth but my not be evident until later, also called birth defects.
Ex: Cerebral Palsy
Environmental Disease
Can result fro exposure to air/water pollution, radiation, and other harmful substances
Nutritional Diseases
Can cause:
inability to consume proper food and nutrients
inability to absorb and utilize nutrients
overeating or eating disorders
Malnutrition results from the inadequate intake of nutrients
Infectious Dieases
Bacteria and viruses are pathogens that can cause disease
Transmitted from one living thing to another
Various forms of infectious hepatitis are caused by differed viruses that affect the liver.
Degenerative Dieases
Those in which tissues or organs overtime
Ex: Arthritis is a disorder involving inflamation of joints
Traumatic Disease
Any physical injury to the body caused by an accident or violence
safety awareness can reduce injuries from trauma.
Anorexia and Bulimia Differences
Anorexia: When a person starves themself to control their weight Bulimia: When someone binge eats and then forces their-self to vomit
Leading Cause of Death in USA
Heart Disease
Atherosclerosis
A build up of plaque in the arteries that can lead to heart attack
Ways to Reduce/Lower Risk of Heart Disease
Lower Blood Pressure
Lower cholesterol
Reduce stress
Regular Exercise
Diet with low salt, refined sugar, total and saturated fats, and cholesterol with high fruits and vegetables
Definition of Cancer
Uncontrolled cell growth in body
Malignant vs Benign
Malignant: Cancerous Benign: Harmless
Stroke
Occurs when blood flow to the brain stops
Ischemic vs Hemorrhagic
Ischemic: Arteries to the brain are blocked Hemorrhagic: Arteries rupture in brain
Signs of Stroke (FAST)
Face ~ is one side drooping? Arm~ is one week or numb? Speech~ is it slurred? Time~ essential, call 911 or get to hospital
Type 1 Diabetes
Autoimmune system attacks the insulin producing cells in the pancreas
Type 2 Diabetes
Results from the body's improper use of insulin