Question | Answer |
the middle pigmented layer of the eye | choroid |
the blind spot | optic disk |
the outermost layer of the eye | sclera |
the membrane that lines the eyelid | conjunctiva |
the muscle that regulates the pupil | iris |
the point of sharpest vision | fovea centralis |
the transparent portion of the sclera that covers the front of the eye | cornea |
tears | lacrimal |
fluid that fills the space anterior to the lens | aqueous humor |
material that fills the eyeball | vitreous body |
region of the inner ear that contains the receptors for equilibrium | estibular apparatus |
ear wax | cerumen |
external part of the ear | pinna |
recepter for hearing | organ of corti |
small bones of the middle ear | ossicles |
circular structure at the front of the eye that changes in thickness for near and far vision is the | lens |
innermost layer of the eye | retria |
ear ossicle that is furthest awaty from the ear drum | stapes |
bending of light ray as they pass through the media of the eye | refraction |
crainal nerve that carries visual impulses from retina to the brain | opic |
coiled portion of the inner ear that contains the organ of hearing | cocial |
the VIIIth crainal nerve is | vestibulo |
A communication between 2 vessels | anastomosis |
The largest artery | aorta |
The inner most layer of the blood vessel | endothelium |
Vessels that draininto the right atrium of the heart | venae cavae |
Vessels that supply blood to the heart muscle | coronary arteries |
A vessel that travels under the clavicle and supplies the arm | subclavian artery) |
A vessel that supplies the kidney | renal artery |
The first vessel that branches from the aortic arch | brachiocephalic |
A branch of the abdominal aorta | celiac artery |
A vessel located between ribs | intercostal artery |
A vein that drains blood from the stomach ( | gastric vein) |
A vessel that drains directly into the superior vena cava | brachiocephalic vein) |
The longest vein in the body | saphenous vein |
A vein that drains blood from the arm | brachial vein) |
A vessel that drains blood from the intestine | inferior mesenteric vein) |
A vessel that carries blood away from the heart is a(n) | artery |
A small vein is | venuole |
A microscopic vessel that allows for exchanges between the blood and body cells are | capillary |
The pulmonary circuit carries blood to the | lungs |
The circle of Willis is an anastomosis of arteries leading to the | brain |
The large vein that drains the upper part of the body and empties into the right atrium of the heart is the | superior vena cava |
A circulatory pathway that carries blood to a second capillary bed before it returns to the heart is a | portal |
A decrease in the diameter of a blood vessel is termed | vasoconstriction |
The hepatic portal sytem carries blood to the | liver |
The wave of pressure produced in the arteries with each beat of the heart is called | pulse |
In measuring blood pressure with a sphygmomanometer, the first reading is taken when the heart is contracting. This pressure is termed the | systolic |
is an unpaired artery | brachiocephalic artery |
supplied by the phrenic artery | diaphragm |
where carotid artery supplies blood | head |
supplies blood to the intestine | mesenteric |
where you find the cephalic, basilic and median cubital vein | arm |
the vein that drains blood from areas supplied by the carotid arteries | jugular |
where popliteal artery is near | knee |
aorta ends when it branches into these | common iliac arteries |
the left gastric, splenic, and hepatic arteries are all branches of this | celiac trunk |
a large venous channel | sinus |
form the brachiocephalic vein | subclavian & jugular veins |
main process involved in capillary exchange | diffusion |
does not help move blood back to the heart | dialation of the vein |
receptor may gradually stop responding to continued mild stimulus. | abdeptation |
receptors for pain | free nerve endings |
receptors in muscles, tendons, and joints that help judge the position of the body | prople senses |
receptors for pain are the | free nerve endings |
receptors for vision are | rods and cones |
accommodation of the eye is | change in the thickness of lens for near vision |
suspensory ligaments of the eye hold the | lens |
middle of the ear is the | incus |
optic nerve is the(?) cranial nerve | 2nd |
enlargement of the pupil is termed | dilation |
a clotting factor | fibrinogen |
a substance in blood that combats infection | antibody |
main carbohydrate in plasma | glucose |
a system of enzymes needed to help fight pathogens | complement |
most abundant protein in plasma | albumin |
white blood cells | leukocytes |
cells that give rise to all blood cells | stem cells |
giant cells that produce thrombocytes | megakaryocytes |
cell fragments active in blood clotting | platelets |
red blood cells | erythrocytes |
agranular white blood cells that are active in phagocytosis | monocytes |
most numerous of all blood cells | erythrocytes |
Granular white blood cells that show bright pink granules when stained | eosinophils |
the most numerous of the white blood cells | neutrophils |
white blood cells that produce antibodies | lymphocytes |
clumping of red cells when they are mixed with matching antiserum | agglutination |
presence of excess sugar in the blood | hyperglycemia |
excessive bleeding | hemorrhage |
process of stopping blood loss | hemostasis |
liquid portion of blood | plasma |
substance that makes up 90% ofblood plasma is | water |
protein that forms a blood clot | fibrin |
a person whose blood reacts with anti-B serum has blood type | AB |
average total volume percentage of red cells in whole blood is | 5 liters |
pH of the blood is kept at about | 7.4 |
a centrifuge is used to | spin blood to separate it |
Erthropoietin is | a hormone that stimulates RBC production |
steps in prevention of blood loss: | 1) vasoconstrction 2)formation of platelet plug 3)formationof blood clot |
phagocytes among the white cells are | neutrophils and monocytes |
BUN | nitrogen |
blood cells are formed in | red marrow |
partition between the chambers of heart | septum |
membrane that lines the heart | endocardium |
lower pointed region of the heart | apex |
a structure that keeps blood moving forward in the heart | valve |
the outermost layer of the heart wall | epicardium |
threads that attach the valve flaps to the walls of ventricles | chordae Tendineae |
lower chamber of the heart | ventricle |
fibrous sac that encloses the heart | pericardium |
term for the valves at the entrance to the pulmonary artery and the aorta | semilunar |
an upper champer of the heart | atrium |
thick muscular layer of the heart wall is the | myocardium |
scientfic term for valve flap | cusp |
volume of blood pumped by each ventricle in 1 minute is the | Cardic output |
pacemaker of the heart | SA nobe |
relaxation phase of the cardiac cycle is called | diastole |
vessel that receives blood pumped out of the left ventricle | atria |
alternate name for the bundle of His is | AV nobe |
instrument used to record changes in electrical current produced in heart muscle | electrocardiogram EKG |
intercalated disk is | modified membrane of a cardic muscle cell |
coronary sinus | collects blood from the myocarduim |
volume of blood ejected from each ventricle with each beat | stroke volume |
parts of conduction system of heart | Sa nobe,AV nobe, bundle of his , bundle branches purkinje fibers |
sinus rhythm is triggered by the | SA nobe |
semilunar valves are the | pulmonic and aortic |
Cardiac output is the product of | stroke volume and heart rate |
device used to listen to heart sounds is | stethoscope |
the mitral valve has (?) | 2 |
aorta carries blood into the | systemic circuit |