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Daance/ Mod I

Basic Sciences

QuestionAnswer
The heart is an organ made up of a specialized type of muscle called The Myocardium (cardiac muscle)
what is the property called when muscle has the ablitly to contract on its own without stimulation by nerves.? automaticity
How many chambers in the heart 4
what are the most superior two chambers of the heart called atria (singular is atrium)
the two chambers below the atria are the ? Ventricles
which is larger in size , the atria or the ventricles? Ventricles
which chamber of the heart is the thicker and more powerful than the others/ the Left Venticle (it pumps blood to the entire body)
the right side of the heart has what kind of blood? Deoxygenated bright red blood
the right atrium receives blood from what three sources? above-superior vena cava below-inferior vena cava blood from the veins of the heart itself -coronary sinus.
All vessels leading away from the heart are called? Arteris
All vessels leading to the heart are called ? Veins
what vessel does the blood travel through to get to the lungs? the pulmomary artery
the Pulmonary artery is the only artery with what? Oxygen depleated blood
the blood picks up what in the lungs Oxygen
Oxygen returns from the lungs to the heart via what four veins? Pulmonary veins
What part of the heart does the pulmonary veins lead to left atrium.
where does the blood go after entering the left atrium? through the mitral valve into the left ventricle.
During the left venticle contraction, the blood is pumped with the greatest force through the______valve into a very large artery called the _________ and is distributed to the rest of the body via___________circulation. aortic aorta peripheral
blood flows in how many directions? 1
heart murmur is what? back flow or turbulence (mvp-mitral valve prolapse)
ischemia is? when the heart cells are weakened but not killed due to reduced oxygen supply
Angina pectoris means? "chest Pains"
Myocardial infarction is also called what? heart attack
what is the name of the smallest veins? venules
what is the name of the smallest arteries? capillaries
what is the main difference between veins and arteries? Arteries have much thicker walls to handle the pressure of the blood flow in them.
vasoconstriction is? when the artery constricts and gets smaller
vasodilation is? arteries relax and the size increases
the pressure of the blood when the heart is pumping is called Systolic
the pressure of the blood when the heart is at rest is called Diastolic
what is the normal cardiac cycle also called heartrate ... the normal rate is 60-100 bmp
accidental arterial puncture produces what type of blood bright red pulsatile blood
venipuncture results in what type of blood steady flow of dark blood
what are the veins on the back of the hand called dorsal venous plexus
what is phlebitis an inflammation of the vein
what is the pharynx the space between the nose and the trachea
what are the three regions of the pharynx nasopharynx, oropharynx, laryngopharynx
where is the laryngopharynx located directly behind the larynx (or voice box)
another name for the trachea windpipe
what is the diaphragm a dome shaped muscle that separates the ches cavity form the abdominal cavity.
what is the most important muscle in inspiration. diaphragm
what is the oxygen capacity? How much oxygen is attached to the hemoglobin
what is the normal adult respiration rate? 12-16 respiration per minute at rest
where are the islets located pancreas
what do the islets of langerhans do? secrete insulin and glucagon
where are the adrenal glands located? top of each kidney
where is the thyroid gland located. anterior neck
what is the largest organ in the body? the liver
what is the function of the kidneys? maintain the volume and composition of body fluids.
in the autonomic nervous system what is A (alpha) vascoconstrictors
in the autonomic ner vouse system what is B (beta) "big organs"
Beta 1= Heart
Beta 2= lungs
Created by: katieweir