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| The tissue that forms a loose fitting sac around the heart is | Pericardium
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| The sketelon of the heart consists of fibrous connective tissue in the interventricluar septum and fibrous connective tissue encircling the heart__________ | Valves
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| When the ventricular walls contract, the bicuspid and tricuspid valves_________ | Closes
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| The pain associated with the condition called angina performs usually is caused by an obstruction in an artery that supplies the__________ | Heart
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| The___________ is the potential space between them parietal and visceral pericardial membranes | Pericardical cavity
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| Blood is supplied to the myocardium by means of the_________Arteries | Coronary
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| The_____________drains blood from the wall of the heart into the right atrium | Coronary sinus
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| The __________ node is a structure that consists of self-exciting tissue | S-A
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| Impulses carried to the heart by means of fibers that secrete acetylcholine are parasympathetic impulses and cause the heart rate to_____________ | Decrease
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| The blood pressure in the systemic arteries is greatest during_________systole | Ventricular
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| In an ECG pattern, the P wave is caused by_____________of atrial muscle fibers. | Depolarization
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| In an ECG pattern, the T wave is caused by_____________of ventricular muscle fibers | Polarization
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| In an ECG the pattern, the P-Q interval indicates how long it takes for the cardiac impulse to travel from the__________ | S-A node through the A-V node
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| The term used to describe an abnormally slow heart rate is___________ | Bradycardia
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| Ventricular_______________ would produce the most life-threaten condition | fibrilation
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| Both A-V node and_________fibers might serve as a secondary pacemaker for the heart | Perkins
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| The SA node relays nerve impulses into the AV bundle of the interventricular septum and the AV node is responsible for the rhythmic contractions of the heart | False
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| When the left ventricle contracts, blood passes into the__________ | Aorta
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| ___________is blood vessel that serve as a blood reservior | Veins
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| The T wave of an ECg pattern represents the repolarization of the___________ | Ventricles myocardium
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| Plasma proteins that remain in blood capillaries help to maintain the osmotic pressure of the____________ | Blood
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| The density of capillaries within a tissue varies directly with the tissue's rate of___________ | Metabolism
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| Molecules within the blood are forced out through the walls of capillaries as a result of osmotic pressure | False
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| Venules continue from capillaries to forms veins, which carry blood back to the atria | True
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| Veins function as blood reservoirs whenever blood pressure increases by venous walls constricting. | True
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| The blood vessels whose walls are thin enough to allow exchange of gases between the blood and tissue fluid are__________ | Capillaries
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| ______________Law of the heart holds that the greater the length of myocardial fibers, the greater the force with which they contract | Starling
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| High blood pressure, lack of physical exercise and__________ are factors that seems to increase the susceptibility to atherosclerosis | Obesity
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| The aorta is the largest artery within the____________circuit | systemic
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| Branches of the aorta are the right coronary artery, Brachiocephalic artery and the left___________artery | Subclavian
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| The descending aorta divides near the brim of the pelvis to form the right and left | common iliac arteries
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| Blood from the face and scalp is drained by the_________jugular vein | external
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| The___________ vein is the longest vein in the body | great saphenous
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| The structure of a lymphatic vessel is most similar to that of a____________ | veins
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| The two collecting ducts that drains the lymphatic trunk are the _________ducts and right lymphatic duct | Thoracic
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| If lymphatic tissue is removed from an axillary region, the arm on that side is likely to become____________ | edematous
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| Lymph is_____________ that has entered a lymphatic capillary | tissue fluid
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| The movement of lymph through lymphatic vessels is called the ______________ | hilum
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| The spleen functions as a blood reservoir and is responsive to low oxygen concentration and contains numerous_____________ | Macrophages
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| Thymosin is thought to stimulate the activity of the thymus gland | false
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| Older red blood cells may be destroyed in the spleen | true
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| The cells that are primarily responsible for immunity are___________and macrophages | lymphocytes
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| Disease causing agents such as viruses and bacteria are called__________ | Pathogen
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| The foreign of non self proteins that trigger immune responses to the presence___________ | viruses
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| The most active phagocytic cells found in circulating blood are___________ and monocytes | neutrophils
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| the widely distributed phagocytic cells that remain fixed in position constitute the _______________tissue | reticuloendothelial
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| Immunity is an example of a specific body___________ mechanism | defense
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| T-lymphocytes are responsible fro Cell-_________________ immunity | Mediated
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| The type of immunoglobulin found in the secretions of exocrine gland is ________ | IgA
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| The type of resistance that develops as a result of developing a disease i Naturally acquired________immunity | active
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| The normal immune response require the presence of both___________ and B-cells | T cells
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| As a result of an allergen antibody reaction, Mast cells release______________ | histamine
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| a newborn infant may have some defense against digestive and respiratory disturbances because of IgA obtained from its mothers_______________ | milk
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| the HIV viruses that cause acquired immune deficiency syndrome may infect _____________ cells endothelia cells and neuroglial cells | T helper
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| When an HIV virus infect a body cell viral RNA is used to synthesize viral ____________ | DNA
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| In recent years the largest group of_______________ patients has been homosexual and bisexual males | AIDS
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| In an autoimmune disease the ______________ response is directed toward self substances | immune
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| All of these are________ diseases Juvenile rheumatoid arthritis and multiple sclerosis and insulin dependent diabetes mellitus | autoimmune
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| During the primary immune response B lymphocytes give rise to plasma cells | True
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| As a result of the allergen antibody reaction mast cells release histamine | True
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| An immunoglobulin molecule is an antigen secreted by T lymphocytes | False
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| Active immunity involves a person becoming immune to a pathogen as a result of having a disease | False
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| AIDS is caused by a virus that attacks complement enzyme | False
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| Systemic Iupus erythematosus is an example of an autoimmune disease that affect the skeleton muscles only | False
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| T helper cells release hormone like substance called__________ | lymphokines
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| During the primary immune response B cells give rise to _____________cells | Plasma
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| Immunoglobulins are contained within the____________ fraction of plasma proteins | gamma globulin
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| A substance that can stimulate a primary immune response but is unable to produce the symptoms of a disease is an____________________ | vaccine
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| A group of lymphocytes that originate from a single early cell is termed an_______________ | Clone
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| Following a primary immune response the B cell and T cells that remain dormant but are able to response to antigens encountered in the future are called____________cells | memory
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| The correct sequence for the layers within the walls of the alimentary canal from inside to outside is____________________ membrane submucosa muscular layer serous layer | mucous
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| Peristalsis occurs in the digestive tract from the _____________to the anus | Pharynx
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| The organs of the alimentary canal are innervated by_________________ as well as by parasympathetic nerve fibers | sympathetic
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| Peristalsis is defined as a mixing movement that forces food through the alimentary canal being mixed with digestive enzymes | False
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| _____________is a wavelike propelling movement that forces food through the alimentary canal | Peristalsis
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| The teeth that are best adapted for bitting off relatively large pieces of food are the________________ | Incisors
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| Microorganisms promote the development of dental cavities by utilizing carbohydrates and producing by products that are__________________ | Acidic
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| Loss of teeth is most commonly associated with diseases of the dental ____________ and gums | pulp
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| The salivary enzyme amylase functions to digest____________ | carbohydrates
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| Because of their location swollen palatine tonsils may interfere with both breathing and ___________ | swallowing
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| A hiatal hernia is due to a weakness of the________________ | diaphragm
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| Gastrin which is secreted by stomach cells functions to Increase the secretions of the ___________ glands | gastric
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| The main part of the stomach is called the_____________ | body
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| Cholecystokinin secretion from the intestinal wall is stimulated by the presence of ____________ in the small intestine | fat
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| A relatively new treatment in the management of gastric ulcers is a drug that inhibits the productions of HCI in the stomach I a person took this medication for a long period the digestion of_____________would be affected the most | proteins
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| Heartburn is usually caused by effects of gastric juice on the _______________ | esophagus
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| Cholecystokinin a hormone released from intestinal mucosa by the presence of fats stimulates the gallbladder to contract and release bile into the duodenum | True
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| The ________ sphincter a valve that controls the movement of food between the stomach and the small intestine | pyloric
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| Intrinsic factor is necessary for the normal absorption of ______________ from the small intestine | vitamin B12
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| The vomiting center is located in the ________________ of the brain | Medulla Oblongata
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| ______________ is a protein splitting enzyme found in pancreatic juice | Trypsin
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| The condition called acute pancreatitis is often caused by the conversion of trypsinogen to ________________ | trypsin
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| The liver functions to form glucose from non carbohydrates store vitamin______ and destroy damaged red blood cells | D
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| __________ salt constituent of bile has a digestive function | Bile
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| Digestion of _________ would be affected the most if the liver were severely damaged | lipids
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| Type B hepatitis can be transmitted by means of_____________ activity blood transfusion and saliva | sexual
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| Jaundice which is characterized by a yellowish tinge to the tissue is due to an increased blood concentration of ___________ pigments | Bile
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| gallstones are usually composed of________________ | cholesterol
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