Science Quiz / Anatomy Prep Exam2

Random Science or Anatomy Quiz
Score 0/143 Timer 20:00
HintTerm
______ occurs when NFP is greater than zero.
_________ cholinergic fibers induce vasodilation in the digestive system, uterus, kidneys, and lungs.
________ shock --> heart failure
Alcohol inhibits the secretion of ______.
Nitric oxide is a vaso_______or.
Long-term control of MAP is primarily controlled by which organ?
When CO2 increases, pH __________ (increases/decreases/same)
_________ refers to the automatic adjustment of blood flow tissues based on their changing needs.
An inhibited vasomotor center causes __________ or arteries and veins.
An activated vasomotor center causes __________ or arteries and veins.
__________ hypertension is diagnosed when there is an identifiable cause.
The central opening to a blood vessel is called the _______.
The diameter of a patient's blood vessel doubles... Resistance drops by a factor of ____.
Venous ______ are large diameter veins consisting ONLY of endothelium.
________ is the average pressure exerted by the blood on the walls of the arteries.
_______ are connective tissue cells that stabilize the capillary walls.
Sympathetic neurons in the medulla oblongata that control resistance by stimulating vasoconstriction.
In the _______, autoregulation is opposite of that seen in most tissues.
As vessel length increases, resistance ______.
Kinins, hitamine, and prostacyclins are __________ chemicals.
______ arteries have a tunica media rich in smooth muscle fibers.
The binding of norepinephrine to beta adrenergic receptors induces ________.
True or False? If I want to pass this exam, I should really make sure I understand what's going on in the diagram on page 3.26 of the course notes.
During times of decreased blood pressure, the kidneys secrete _______.
_____________ is measured as the volume of blood flowing through a vessel usually in mL/min.
As a result of vasodilation, MAP __________.
_____________ are smooth muscle structures that open an close to distribute the blood through capillary beds.
Disorder defined by fatty streak of foam cells adhered to vessel walls, leading to lumen narrowing or obstruction.
Endothelial product that contracts vascular smooth muscle (aka vasoconstriction).
Atrial natriuretic peptide leads to loss of _______ and water in the urine.
Atrial natriuretic peptide is produced in _________ muscle.
In a system, arterial pressure equals 30 mmHg, venous pressure equals 3 mmHg, and vascular resistance equals 3 mmHg * min/L. Pause quiz, and calculate the flow and include units.
Disorder defined by damge to one or more valves in a vein.
As vessel diameter increases, resistance ______.
_______ is the opposition to or impedance of blood flow.
Baroreceptors of an artery sense that pressure is increased and could damage vessel walls. Would the more likely myogenic response be arteriolar dilation or constriction?
__________ is characterized by low blood volume, and is diagnosed clinically when systolic blood pressure < 100 mmHg.
_________ hyperemia is increased tissue blood flow in response to a period of ischemia (think rubber-band on finger).
The ________ of blood flow can be calculated by dividing 1 by the total cross-sectional area of a vessel.
_________ is the intermittent, slow low of blood through capillaries based on opening/closing of precapillary sphincters.
Which contains a greater portion of a person's blood volume? Capillaries, arterioles, or the aorta?
__________ is clinically diagnosed when blood pressure is elevated > 140/90 mmHg.
Veins are also referred to as ______ vessels, since they contain approximately 50% of the blood.
______ have a tunica media composed of a single layer of smooth muscle cells.
________ shock --> immune response triggers extreme vasodilation
________ refers to the throbbing felt in arteries during the cycle of systole and diastole.
State of partial arteriolar constriction that helps maintain normal MAP.
_____ fibers in the tunica media allow for stretch and recoil of the vessel.
HintTerm
Systolic pressure average is ________ (include units).
Cardiac output multiplied by resistance equals ___________.
______ arteries have a tunica media rich in elastic fibers, and the adventitia is thin.
Diastolic pressure average is ________ (include units).
Disorder defined by localized dilation or outpouching of a blood vessel.
ADH is stored in the _____________.
When metabolic rate increases, blood flow to into tissues is ________.
Angiotensin I is converted to Angiotensin II by the _____________.
Disorder defined by inflammation of a vein.
Valves in the veins are formed from folds in the __________.
Norepinephrine and Epinephrine are produced in the ____________.
A patient's blood pressure is 132/84 mmHg. Pause quiz and calculate pulse pressure and provide units.
How does the MAP change during polycythemia? (increase/decrease/same)
______ arteries are also referred to as conducting arteries
Atrial natriuretic peptide acts as a vaso_______or
The __________ is the venous portion of a capillary bed that is unobstructed and allows for continuous blood flow from the arterial side of the capillary bed.
Disorder defined by narrowed lumen due to abnormal thickening and hardening of artery walls.
Receptors in the aortic arch and carotid sinuses that monitor pH.
_________ pressure is the pulling pressure that a hypertonic solution exerts on a hypotonic solution.
ADH is produced in the _________.
______ describes an accumulation of fluid where it shouldn't be.
_________ (Neurotransmitters/Receptors) are the main determining factor in how a body system will react when neurotransmitters and receptors bind.
True or False? If I'm stuck, I can always pause the timer while I think about the answer.
As a result of vasoconstriction, MAP __________.
True or False? This quiz only covers a portion of the material needed for the exam.
Increased levels of ADH will _______ MAP.
A _____ is made of a single layer of endothelium, resting on a basement membrane.
A patient's blood pressure is 132/84 mmHg. Pause quiz and calculate mean arterial pressure and provide units.
Angiotensin converting enzyme is produced by the __________.
True or False? This quiz does not cover the lymphatic system.
Endothelin is produced by vascular ___________.
Arteries and veins have ___ layers (tunics), in general.
________ shock --> loss of whole blood/plasma/interstitial fluid
_________ are small blood vessels that nourish the wall of larger blood vessels.
_________ cholinergic fibers induce vasodilation in digestive viscera and external genitalia.
Angiotensin II is a strong vaso_______or.
Endothelin is a vaso_______or.
Angiotensin II stimulates thirst. Thirst stimulation is controlled by the _______ (part of brain).
Pulse pressure _______ when blood volume decreases
True or False? The inflammatory chemicals, to include kinins, histamine, and prostacyclins are released by damaged tissue cells.
_________ hyperemia is increased tissue blood flow in response to increased metabolic rate.
Hypertension is defined as _______ (answer format xx/xx)
Receptors in the aortic arch and caroti sinuses that monitor pressure.
ADH increases the level of _______ in plasma.
Atrial natriuretic peptide serves to _______ resistance and MAP.
How does the MAP change during elevated heart rate? (increase/decrease/same)
These vessels branch off of metarterioles and return blood to thoroughfare channels.
______________ centers: include cerebral cortex and hypothalamus.
HintTerm
Nitric oxide is produced by vascular _______.
As viscosity increases, resistance ______.
How does the MAP change during prolonged standing? (increase/decrease/same)
The layer of the tunica intima that contains simple squamous epithelium and lines the lumen is called _____.
Angiotensin II stimulates the release of _________ from the adrenal cortex.
Alcohol acts as a vaso______or.
_______ capillaries have tight junctions between endothelial cells.
_________ pressure is the pressure exerted by a fluid in an enclosed space.
______ arteries are also referred to as distributing arteries.
Osmotic P _____ (increases/decreases/same) from arterial end to venous end of capillaries b/c large molecules cannot diffuse through capillary walls.
Norepinephrine and epinephrine ___________ resistance and MAP.
______ have thin walls that permit the exchange of gasses, nutrients and wastes with interstitial fluid.
Endothelial product that relaxes vascular smooth muscle (aka vasodilator).
True or false? Blood in the capillaries moves faster to facilitate better diffusion and transfer of nutrients.
The ________ is the arterial portion of a capillary bed that is unobstructed by precapillary sphincters and allows for continuous blood flow to the venous side of the capillary bed
Disorder defined by vein inflammation associated with a blood clot.
When there is an increase in MAP, plasma O2, and pH, or a decrease in plasma CO2, the vasomotor center is _________.
Flow is equal to the difference in arterial and venous pressure divided by the ________ in the vessel.
True or False? In order to get an A on the exam, I should still study the book and focus on concepts, not just definitions.
Pulse pressure _______ when arteries become rigid.
How does the MAP change during vasoconstriction due to stress? (increase/decrease/same)
__________ hypertension is diagnosed when no underlying cause is evident.
_______ are leaky, and found in the liver, bone marrow, and spleen.
_______ capillaries have pores, and are found in the kidneys, small intestine, and endocrine organs.
____________ is the force per unit area exerted on a vessel wall by the blood it contains.
Inflammatory chemicals are vaso_______ors.
ADH serves to _________ blood volume.
Renin is used to convert _________ to Angiotensin I.
______ occurs when NFP is less than zero.
When there is a decrease in MAP, plasma O2, and pH, or a increase in plasma CO2, the vasomotor center is _________.
The binding of norepinephrine to alpha adrenergic receptors induces ______.
Endothelial product that relaxes vascular smooth muscle AND repels platelets.
In _______ , vasoconstriction and vasodilation controls distribution of blood to capillary beds.
Smaller venules are referred to as ______ venules.
The tunica _____ protects and reinforces vessels and attaches them to surrounding structures.
In veins, all three tunics are present, and have an irregular shape. The tunica ______ is the thicker of the three.
_____ fibers in the tunica media allow for vasoconstriction and vasodilation.
Norepinephrine and epinephrine are vaso______ors.
How does the MAP change during hemorrhage? (increase/decrease/same)
True or False? This quiz is just a study aid. I promise not to beat up Chris if I get a bad grade on the exam.
The layer of the tunica intima that containing areolar connective tissue is the ______ layer.
True or False? The creator of this quiz can only set a maximum time limit of 20 minutes.
_________ = net pressure out - net pressure in.
________ shock --> generalized vasodilation
_____ collect blood from tissue capillaries and carry it to the veins.
_________ is equal to the diastolic pressure + (pulse pressure / 3)
If CO2 increases, decreasing pH below normal levels, the rate of respiration would most likely _______. (increase/decrease/same)
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Created Jul 19, 2012ReportNominate
Tags:Anatomy Quiz, prep, Term

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