Science Quiz / BIOSC 1080 Exam 3 - Part 2

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Can you name the terms for the BIOSC 1080 Exam 3?

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an enzyme that binds and activates plasminogen to plasmin; initially isolated from urine
a life-threatening medical condition of low blood perfusion to tissues resulting in cellular injury and inadequate tissue function
the volume of blood in a ventricle at the end of contraction
the period of ventricular contraction in the cardiac cycle in which blood is entered into arteries
the strongest vasoconstrictor in the renin-angiotensin pathway
ion removed from blood by anticoagulating chelating agents such as CPD, ACD, and EDTA in blood banking
a sagittal groove that separates the ventricles of the heart
collections of lymphoid tissue situated in the aerodigestive tract
a form of polycythemia due to factors intrinsic to red blood cell production
an enzyme released by the kidney that activates the renin-angiotensin pathway in response to blood pressure decreases
the valves that change confirmation first during the isovolumetric phase
heart murmur that involves narrowing of the semilunar valves or regurgitation of the AV valves
the single-layered portion of the pericardium composed of a serous membrane that is in contact with the myocardium
blood type commonly referred to as the universal acceptor
the difference between the rate at which the heart pumps blood and its maximum capacity for pumping blood at any given time
an alloimmune condition that develops in an Rh-positive newborn when the antibodies of an Rh-negative mother attack the red blood cells
a major vessel of the human heart that originates from the right ventricle that branches into two arteries that travel to the lungs
action potential process that is delayed at the SA node
portion of the ECG that represents atrial depolarization, which results in atrial contraction
a dual-flap valve in the heart that lies between the left atrium and the left ventricle
a collection of cardiac muscle cells that conducts electrical impulses from the atria into the ventricles
'blind-ended' and thin-walled vessels located in the spaces between cells which serve to drain and process extracellular fluid
detectable palpation produced by fast ejection of blood into the pulmonary trunk through the semilunar valve
a protein involved in the breakdown of blood clots via plasmin
a decrease in the number of white blood cells in the blood
location of angiotensin-converting enzymes
a form of anemia caused by a disease of the bone marrow in which red blood cells are produced
the virus that causes mononucleosis
ventricular muscles attached to the AV valves that provide tension for their proper function
the large vein that carries deoxygenated blood from the lower half of the body to the right atrium of the heart
lifespan of RBCs
specialized pathway that moves bioelectric signals to the atria at the AV node
specialized conducting fibers that allow synchronized contractions of the ventricles
an anti-inflammatory medication that inhibits platelet aggregation
a form of anemia caused by acute bleeding
the vessel that carries oxygenated blood to the heart in the fetal circuit
the angiotensin precursor molecule; produced in the liver
a medical condition consisting of a sudden increase in blood pressure when a person stands up
the thick middle layer of the heart composed of cardiac muscle
the fetal cardiac shunt that allows blood to enter the left atrium from the right atrium
the pH range of blood
a set of drugs that reduce blood volume via increased production of urine
portion of the ECG that corresponds to the depolarization of the right and left ventricles of the heart
the vessel that carries oxygenated blood from the placenta to the growing fetus
a double-walled sac containing the heart and the roots of the great vessels
the limiting factor of cardiac output
hormone secreted from the adrenal cortex in response to the renin-angiotensin pathway
an enzyme that binds and activates plasminogen to plasmin; produced from bacteria
portion of the fetal circuit that carries blood from the umbilical arteries to the umbilical cord
HintAnswer
the valves that prevent backflow between an atrium and a ventricle
a reflex that originates from the CAC/CIC centers of the brain in response to baroreceptors in the main artery
the wall of tissue that separates the right and left atria of the heart
a structure in the kidney that secretes renin
a form of anemia that results from inherited factors
a transverse groove that separates the atria from the ventricles
a form of anemia that results due to the lack of intrinsic factor in the stomach
maximum percentage of the flow rate of blood in comparison to the normal flow rate
the pooling of a capillary bed into another capillary bed through veins
the period of ventricular relaxation in the cardiac cycle when the ventricles fill with blood
portion of the ECG that represents repolarization of the papillary muscles
a tonsil located at the back of the base of the tongue
the blood vessel connection the pulmonary trunk to the aorta in the fetal circuit
law that states that heart rate is inversely related to arterial blood pressure
a form of shock resulting from extremely low blood pressure brought on by a severe lack of sympathetic activity
law that states that the stroke volume of the heart increases in response to an increase in the volume of blood filling the heart when all other factors remain constant
sound produced by the closing of the semilunar valves
a reflex that can result in a severe reduction in blood pressure and heart rate; the major baroreception response
a tonsil situation posterior to the nasal cavity in the roof of the nasopharynx
action potential process that is extended at the SA node
the vessel that carries oxygenated blood to the liver in the fetal circuit
a form of anemia caused by the abnormal breakdown of red blood cells
the innermost layer of tissue that lines the chambers of the heart
the most superficial layer of the parietal pericardium that is made of dense connective tissue rich with collagen
a form of shock that results from a rapid and severe allergic reaction
offshoots of the bundle of His that transmit cardiac action potentials into the left and right ventricular walls
the superior portion of the heart
a disease state in which the proportion of blood volume occupied by red blood cells is increased
a triple-flap valve in the heart that lies between the right atrium and the right ventricle
abnormal heart sounds produced when blood flows across one of the heart valves
sound produced by the closing of the AV valves
a depression in the right atrium of the heart, at the level of the interatrial septum, the wall between right and left atrium; the remnant of the fetal foramen ovale
a fluid that bathes and surrounds the tissue cells of the body; the main component of extracellular fluid
an antigen that is potentially present on red blood cells of all types; measured in terms of + or -
an increase in heart rate due to an increase in central venous pressure
tendons that connect the papillary mucles to the tricuspid valve and the mitral valve in the heart; prevent the backflow of blood through the valves
a protein essential for the absorption of vitamin B12 in the intestines
an infectious viral disease that results in the presence of lymphocytes with large, irregular nuclei
a form of anemia that can be attributed to diet
a lymph organ that removes old red blood cells, recycles iron, and metabolizes hemoglobin to amino acids and heme
a form of shock caused by severe infection of the blood
enzyme that converts angiotensin to its stronger form
the inferior portion of the heart
a small ligament that lies between the aorta and the pulmonary artery; a nonfunctional vestige of the fetal ductus arteriosis
a blood collection chamber of the heart
the double-layered portion of the pericardium that lies superficial to the heart muscle
growth stage that produces RBCs in the yolk sac, thymus, liver, spleen, lymph nodes, and marrow
a shunt between the umbilical vein and the inferior vena cava in the fetal circuit
the large vein that carries deoxygenated blood from the upper half of the body to the right atrium of the heart
HintAnswer
the system of veins responsible for directing blood from the GI tract to the liver
a small conical or ear-shaped pouch that projects from each atrium of the heart
a blood vessel that receives oxygenated blood from the lungs and drains into the left atrium of the heart
region of the fetal circuit where gases and materials are exchanged from the fetus to the mother
rounded, irregular muscular columns which project from the inner surface of the right and left ventricles of the heart
a form of shock caused by the significant loss of plasma volume; exacerbated by vomiting and diarrhea
a cancer that results in high numbers of abnormal white blood cells
blood type commonly referred to as the universal donor
the pacemaker of the heart responsible for the initiation of the heart beat
the main artery of the human body that originates from the left ventricle and extends down to the abdomen
a general lack of red blood cells or hemoglobin in the blood; potentially caused by many factors
the arteries that carry blood from the aorta to the umbilical arteries in fetal circulation
an alternative name for the bicuspid valve
the arteries that supply oxygenated blood to the heart muscle itself
regions in the lymphatic system where lymphocytes are concentrated
an arrythmia caused by random depolarization of cardiac muscle due to longer pathways, impeded conduction, or shorter refraction periods
an anticoagulant that binds and activates antithrombin III, which deactivates the thrombin enzyme
a collection of cardiac muscle cells specialized for electrical conduction that transmits impulses from the AV node into the interventricular septum
nerves from the medulla oblongata that innervate the SA node and myocardium that increases depolarization rate
the primary parasympathetic nerve that innervates the heart
the stroke volume divided by the end diastolic volume
portion of the ECG that represents the repolarization of the ventricles
an anticoagulant that decreases clotting via the blockage of vitamin K action
the deepest layer of the parietal pericardium that features lubricating membranes
a form of polycythemia caused by natural or artificial increases in the production of erythropoietin
a potential space between the parietal pericardium and visceral layer that contains a supply of serous fluid
the volume of blood in the right and/or left ventricle at end load or filling in or the amount of blood in the ventricles just before systole
the tonsils on the left and right sides at the back of the throat
the volume of blood pumped by the heart per minute (mL blood/min)
the stout wall separating the pumping chambers of the heart from one another
a specialized lymph organ where T cells mature
the initial, albeit weak, vasoconstrictor produced in the renin-angiotensin pathway
a set of drugs that relax blood vessels via inhibition of the angiotensin-converting enzyme
heart murmur that involves narrowing of the AV valves or regurgitation of the semilunar valves
nerves from the medulla oblongata that innervate the SA node and decrease polarization rate
a collection of veins joined together to form a large vessel that collects blood from the heart muscle and delivers it to the right atrium
large veins that return deoxygenated blood from the body into the heart
a hormone pathway that regulates blood pressure and fluid balance
a white blood cell count above the normal range in the blood; frequently a sign of an inflammatory response
the volume of blood pumped from the left ventricle of the heart per beat
an event occurring in early systole, during which the ventricles contract with no corresponding volume change
a form of shock resulting from the effective loss of blood volume and tissue perfusion
portion of the autonomic nervous system involved in both vasodilation and vasoconstriction
an abnormal swelling of tissues that can result from an ineffective lymphatic system
the aortic and pulmonary valves that prevent backflow
a class of drugs that block the action of epinephrine and norepinephrine to reduce hypertension
thin-walled, valved vessels that carry lymph and lie complemetary to the cardiovascular system

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