Health Science Core 60 – Chapter 8 thru 12 (Medical Terminology)
Quiz 2
Circulation
Chapter 9
A. Structural Terms
Aorta- the largest artery
Artery – vessel tat carries oxygenated blood (red)
Atrium – entrance chamber. One of two receiving chambers of the heart
Capillary – vessel through which materials are exchanged between blood and tissues
Pulmonary artery – carries DEOXYGENATED blood from heart to lungs IT IS THE ONLY ARTERY THAT CARRIES DEOXYGENATED BLOOD.
Pulmonary vein – carries OXYGENATED blood from heart to heart
Valve – structure that keeps blood from flowing forward
Vena Cava – The two large veins that collect blood returning from all parts of the body and return it to the heart (right atrium) The inferior vena cava brings blood from the lower half of the body; and the superior vena cava brings blood from the upper half.
Ventricle – one of two lower pumping chambers of the heart
Vessel – channel for carrying fluid, such as blood or lymph
Intraventricular septum – structure that divides the heart into right and left sections
Endocardium – inner layer or lining of the heart
Myocardium – middle layer or muscle of the heart
Epicardium – outer most layer of the heart
B. Physiological Terms
Blood pressure – force exerted by blood flowing against the wall of a vessel
Diastole – relaxation phase of the heart cycle
Heart sounds – sounds made by valves closing in the heart; the “lub-dub”
Perfusion – passage of blood through vessels
Pulse – expansion and contraction of an artery which may be felt w/ the finger
Systole – the contraction phase of the heart cycle
Vasoconstriction – narrowing of a blood vessel
Vasodilatation – widening of a blood vessel
C. Abnormalities
Aneurysm – sac formed by the weakening and dilation of the walls of an artery or vein and is filled with blood
Angina pectoris – pain resulting from lack of blood supply to the myocardium or heart muscle
Atherosclerosis – narrowing of the lumen of an artery due to fat deposits
Congenital heart disease – disease or malformation of the heart that one is born with
Cyanosis – bluish discoloration of skin due to lack of oxygen
Diaphoresis – profuse sweating
Edema – abnormal amounts of fluid in intercellular tissue spaces of the body
Hypotension – low blood pressure
Hypertension (HTN) – high blood pressure
Infarction – death of cardiac tissue due to lack of oxygen
Ischemia – deficiency of oxygenated blood supply to the body parts
Embolism/embolus – dot that breaks loose and travels a smaller vessel and lodges there causing a blockage
Murmer – swishing sound heard with the heart sounds
Occlusion – blockage of vessel
Phlebitis – inflammation of the vein
Septicemia – presence of bacterial toxins in the blood
Shock – condition of acute peripheral circulatory failure
Stroke – death of brain tissue due to lack of oxygenated blood
Syn Cope – temporary loss of consciousness due to insufficient oxygenated blood to the brain
Thrombosis/thrombus – a clot or plug in a blood vessel
Varicose vein – unnaturally swollen vein
Cardiac Terms:
Angioplasty – an insertion of a balloon device into the coronary artery to crush the plaque build up: opens lumen of artery
Arrhythmia – any variation from the normal heart rhythm
Bradycardia – abnormally slow heart rate
Cardioversion – application of electrical current to change the rhythm of the heart; current delivered in synch with the heartbeat
Electrocardiography – an instrument used to record the electrical activity of the heart, makes a recording on paper
Tachycardia – abnormally fast heart rate
Blood and Immunity
Chapter 10
A. Key terms
Antibody – A protein produced in the immune system in response to and interacting specifically with an antigen, bacteria, or virus
Antigen – foreign protein that initiates the production of an antibody
Hematology – the study of blood and blood disease
Hemoglobin – The iron-containing pigment in the red blood cells that transports oxygen
Immunology – Study of the immune system
Lymphocyte – Monecular leukocyte that produces antibodies
pH – Measure of relative acidity
Plasma – water portion of blood (90% water) is 55% of blood; contains proteins, salts, nutrients, hormones, and vitamins
Platelets – A formed element of blood that is active in homeostasis; a thrombocyte; clumps at site of injury to prevent bleeding and facilitate clotting
RBC – red blood cell count: # of red blood cells per cubic mm of blood ; erythrocyte
WBC – white blood cells: # of white blood cells per cubic mm of blood
B. Abnormalities/Disorders
Anemia – deficiency in the amount of hemoglobin or # of RBC’s in the blood
Anaphylic reaction – an exaggerated allergic reaction to a foreign substance
Ecchymosis – bruise; a collection of blood under the skin caused by a leakage from small vessels
Hematoma – collection of clotted blood resulting from an injury
Hemophilia – a hereditary blood disease of unknown cause that involves the lymph nodes, etc.; lack of protein substances factor VIII or factor VIX
Hemorrhage – profuse flow of blood
HIV (human immunodeficiency virus) – the virus that causes AIDS
Inflammation – An increase in cancerous blood cells. Malignant leukocytes fill the marrow and blood
Lymphoma – Any neoplastic disease of lymphoid tissue, such as Burkat disease, Hodgkin disease and others
Purpura – Multiple pinpoint hemorrhages and accumulates of blood under the skin
Urticaria – A skin reaction consisting of round, raised eruptions (wheels) w/ itching; hives – acute allergic reaction in which red ,round wheels develop in the skin
AIDS – Acquired Immunodeficiency Syndrome – syndrome associated with suppression of the immunity system and marked by infections
Lymphatic System Structural Terms
Lymph – the thin plasma-like fluid that drains from the tissue and is transported in lymphatic vessels
Lymph node – A small mass of lymphoid tissue along the path of a lymphatic vessel that filters WBCs
Tonsil – small masses of lymphoid tissue located in the region of the throat
Placque – deposits of fatty material on a vessel wall that impedes
Respiration
Chapter 11
A. Structural Terms
Nares – the external openings of the nose; the nostrils
Larynx – the enlarged upper end of the trachea that contains the vocal cords
Pharynx – the throat; a common passageway for food entering the esophagus and air entering the larynx
Trachea – the air passageway that extends from the larynx to the bronchi
Bronchus – one of the larger air passageways in the lungs. The bronchi begin as 2 branches of the trachea and then subdivide within the lungs
Bronchiole – one of the smaller subdivisions of the bronchial tubes
Alveoli – Small sac in lung where gas exchange occurs
Diaphragm – Major muscle of respiration located below the ribs
Lungs – coned-shaped spongy organs of respiration contained within the thorax
Mediastinum – the space \between the lungs together with the organs contained in this space
B. Physiological Terms
Oxygen (O2) – The gas needed by cells to release energy from food in metabolism
Carbon dioxide (CO2) – gaseous waste product
Pulse Oximetry – a device that measures the amount of saturated hemoglobin in the tissue capillaries
Sputum – mucous, matter ejected by coughing or clearing the throat
Ventilation – The movement of air into and out of the lungs
C. Abnormalities
Acidosis – abnormal acidity of body fluids
Alkalosis – abnormal alkalinity of body fluids
Aspiration – inhalation of foreign bodies into the lungs
Atelectasis – collapse of the whole lung or part of the lung
Bronchitis – Inflammation of the bronchus
Dyspnea – difficulty breathing
Hemoptysis – the spitting of blood from the mouth or respiratory tract
Hypoxia – decrease in oxygen in tissues
Hypoventilation – Decreased rate and depth of breathing; decrease in the amount of air entering the alveoli
Hyperventilation –Increased rate and depth of breathing; increase in the amount of air entering the alveoli
Pneumonia – Inflammation of the lungs generally caused by infection
Pneumothorax – accumulation of air or gas in the pleural space. May result from injury or disease or may be produced artificially to collapse a lung
Pulmonary – pertaining to the respiratory tract or disease
Stridor – A harsh, high-pitched sound caused by obstruction of an upper air passageway
Tuberculosis (TB) – an infectious disease caused by tubercle bacillus, mycobacterium tuberculosis. Often involves the lungs but may involve other parts of the body as well
Wheeze – a whistling or sighing sound caused by narrowing of a respiratory passageway
D. Abbreviations
ABG’S – Arterial blood gas(es)
COPD – Chronic obstructive pulmonary disease
CXR – Chest X-ray
IPB – Intermittent positive pressure breathing
LLL – Left lower lobe (of lung)
LUL – Left upper lobe (of lung)
RLL – Right lower lobe (of lung)
RML – Right middle lobe (of lung)
RUL – Right upper lobe (of lung)
URI – Upper respiratory infection
Drugs
Chapter 8
A. Types of Drugs
Analgesic – alleviates pain
Anesthetics – reduces or eliminates sensation; blocks nerves to inhibit feeling “numb”
Antiarrythmics – eliminates abnormal heart beats/rhythm
Antibiotics – kills bacteria
Anticoagulant – prevents coagulation and formation of blood cells
Antiemetic – relieves symptoms of nausea and prevents vomiting; relieves nausea
Antihistamine – reduces secretion of cells, drying effect; prevents responses needed by histane; allergic inflammatory reactions
Antihypertensive – lower blood pressure by reducing cardiac output, dilating vessels or preventing excretion of water by the kidneys
Anti-inflammatory – counteracts inflammation and swelling
Antittusive – suppresses cough
Antipyretic – reduces temperature
Bronchodilator – Drug that relieves bronchial spasm & widens
Chemotherapy – destroys cancer cells/abnormal cells
Diuretic – causes urination
Expectorant – cough inducer
Hypnotic – induces sleep or dulls the senses
Sedative – induces relaxation; soothes or calms
B. Terms Describing Action
Antineoplastic – destroys cancer cells
Chronotropic – acts as the rate of muscle contraction
Hemolytic – destroys blood cells
Inotropic – acting on force of muscle contraction
Vasomotor – changes diameter of vessel
C. Terms Concerned with Drug Administration
Times:
BID – twice a day
TID – three times a day
QID – four times a day
STAT – immediately
Routes:
Aerosol – inhaling
IM – intramuscular
IV – intravenous
po – big mouth
sublingual – under the tongue
subq – subcutaneous
topical – placed on top or rubber into skin
ung – ointment
Equipment terms
Ampule – small glass container that the top is broken off to remove medications
IV – intravaneous: medicine and fluids administered through a needle/catheter
Syringe – device in which medicine is drawn into, needle is placed on hub, medicine is than injected
Tab – tablets
Vial – small bottle with self-sealing cap, multiple medication does may be drawn out w/ a syringe
Digestion
Chapter 12
A. Structural Terms
Oral cavity – mouth
Esophagus – muscular tube from mouth to stomach;
Stomach/gastric – muscular organ digestion that receive fluid from esophagus
Duodenum – first portion of the small intestine
Jejunum – middle portion of the small intestine
Ileum – last portion of the small intestine
Colon – large intestine
Anus – opening to the outside of the body from the distal end of the large intestine
Gallbladder – small sac under the liver, stores bile
Pancreas – organ under the stomach, produces digestive enzyme and insulin
B. Physiological Function Terms
Mastication – act of chewing
Deglutition – act of swallowing
Digestion – process of breaking down feed into absorbable particles from complex fluids to symptoms
Feces – solid waste, stool, bowel movement
Defacation – passage of feces from body through the anus
C. Abnormalities
Aphagia – unable to swallow
Cachexia – general ill health and malnutrition
Caries – cavities
Emesis – vomit
Flatus/flatulence – gas expelled from anus
Hemorrhoid – a varicose dilation of a vein in the rectal area
Ileus – intestinal obstruction
Melena –blood in the stool
D. Abbreviations
BE – barium enema
BM – bowel movement
GI – gastrointestinal
NG – nasal gastric
N&V – nausea & vomiting
TPN – total parental nutrition
UGI – upper gastrointestinal