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Study sets matching "physiology heart"

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Study sets matching "physiology heart"

68 terms
heart physiology ii
heart block
nodal rhythm
false (can survive with nodal rhythm,…
ventricular fibrillation
this type of cardiac arrhythmia does not have a consistent qr…
this type of cardiac arrhythmia is missing a p wave but has r…
atrial contraction is necessary for blood to enter ventricles…
this cardiac arrhythmia is charectarized by no coordination i…
heart block
this type of cardiac arrhythmia does not have a consistent qr…
nodal rhythm
this type of cardiac arrhythmia is missing a p wave but has r…
100 terms
Anatomy and Physiology Exam 3 - The Heart
The general location of the heart is i…
Serosa (serous membrane) is a thin lay…
The membrane that surrounds and protec…
The pericardium is a triple-layered sa…
mediastinum
-covers... -lines... -areolar ... -simple squamous epithelium (mesothe…
-pericardium
-fibrous pericardium... -parietal pericardium... -visceral pericard…
The general location of the heart is i…
mediastinum
Serosa (serous membrane) is a thin lay…
-covers... -lines... -areolar ... -simple squamous epithelium (mesothe…
EKG: heart anatomy and physiology
Structure of the heart
2 upper chambers
2 lower chambers
2 atrioventricular valves
2 upper chambers... 2 lower chambers... 2 atrioventricular valves... 2…
Right and left atria
Right and left ventricles
Mitral (bicuspid) and tricuspid
Structure of the heart
2 upper chambers... 2 lower chambers... 2 atrioventricular valves... 2…
2 upper chambers
Right and left atria
14 terms
Physiology of the Heart Terms
Bradycardia
Cardiac cycle
Dyastole
EKG & ECG
A heart rate that is substantially slower than normal (<60 bpm)
The events of one conplete heartbeat, during which both atria…
Heart relaxation
traces the flow of blood current through the heart
Bradycardia
A heart rate that is substantially slower than normal (<60 bpm)
Cardiac cycle
The events of one conplete heartbeat, during which both atria…
14 terms
Heart- Physiology Test
Epicardium
Myocardium
Endocardium
Cardiac muscle cells
Thin, serous membrane forming the smooth outer surface of the…
Composer of cardiac muscle
Smooth inner layer; forms the surface of the heart chambers
Organized into spiral bundles or sheets
Epicardium
Thin, serous membrane forming the smooth outer surface of the…
Myocardium
Composer of cardiac muscle
16 terms
Heart Physiology Test
second degree heart block
premature atrial contraction
atrial fibrillation
premature ventricular contraction
no QRS complex
early P wave
no P wave
wide QRS complex
second degree heart block
no QRS complex
premature atrial contraction
early P wave
13 terms
Anatomy and Physiology Heart
aorta
superior vena cava
right atrium
tricuspid valve
largest artery in body
A vein that is the second largest vein in the human body and…
Receives deoxygenated blood from the body
three- part valve located between right atrium and right vent…
aorta
largest artery in body
superior vena cava
A vein that is the second largest vein in the human body and…
72 terms
Heart Anatomy and Physiology
Reddish, brown
Conical
Fist
Thoracic, sternum, lungs, left
__ in color
__ shape
Slightly larger than a __
Lies in the __ cavity (chest) behind the __ (breastbone) and…
Reddish, brown
__ in color
Conical
__ shape
62 terms
Physiology - Chapter 20 - The Heart
Commotion cordis
Murmur
endocarditis
lubb
sudden cardiac arrest due o blunt hit to chest
the sounds due to surges, rushing and gurgling in regurgitati…
inflammation or infection of the endoardium
the first heart sound
Commotion cordis
sudden cardiac arrest due o blunt hit to chest
Murmur
the sounds due to surges, rushing and gurgling in regurgitati…
18 terms
Exercise Physiology: Heart
Perocardial Sac
Arteries
Capillaries
Veins
An enveloping sac over the heart, filled with pericardial flu…
Distribute the oxygenated blood through the body and to the l…
Distribute the O^2 at the tissue level
Returns deoxygenated blood to the heart for reoxygenation
Perocardial Sac
An enveloping sac over the heart, filled with pericardial flu…
Arteries
Distribute the oxygenated blood through the body and to the l…
11 terms
Physiology I - Heart murmurs
Mitran insufficiency
Ventral Septal Defect
Mitral stenosis
Aortic insuffiency
Mitral valve does not close completely.... Mitral regurgitation…
Hole in the interventricular septum.... Blood would flow from t…
Mitral valve is constricted or doesn't open completely. ... Ven…
Aortic valve does not close completely.... Blood flows backward…
Mitran insufficiency
Mitral valve does not close completely.... Mitral regurgitation…
Ventral Septal Defect
Hole in the interventricular septum.... Blood would flow from t…
18 terms
Anatomy Heart Physiology
3 basic steps in the cardiac cycle
Heart sounds
Heart murmurs
Systole vs. Diastole
1. both chambers fill; 70% of ventricular filling completed... 2…
lubb-dupp-pause-lubb-dupp-pause-repeat... lubb: closing AV(tri/b…
malfunctioning AV valve allows backflow into atrium causing p…
systole: contraction... diastole: relaxation
3 basic steps in the cardiac cycle
1. both chambers fill; 70% of ventricular filling completed... 2…
Heart sounds
lubb-dupp-pause-lubb-dupp-pause-repeat... lubb: closing AV(tri/b…
19 terms
Physiology Test 2 Heart
Stroke Volume
Systole
Diastole
End Diastolic Volume (EDV)
The amount of blood that is pumped by each ventricle during e…
contraction of the heart
relaxation of the heart
Amount of blood in ventricle just before ventricular contract…
Stroke Volume
The amount of blood that is pumped by each ventricle during e…
Systole
contraction of the heart
10 terms
heart anatomy & physiology
aorta
inferior/superior vena cava
right atrium
right ventricle
a large artery through which oxygen rich blood passes from th…
oxygen poor blood enters the right atrium through these two l…
the right upper chamber of the heart which receives oxygen po…
the right lower chamber of the heart, distributes oxygen poor…
aorta
a large artery through which oxygen rich blood passes from th…
inferior/superior vena cava
oxygen poor blood enters the right atrium through these two l…
32 terms
Physiology (the heart diagram)
aorta
aortic arch
aortic semilunar valve
apex of heart
big red artery
arch of aorta
peace sign
bottom tip of heart
aorta
big red artery
aortic arch
arch of aorta
45 terms
Boeing Physiology Heart
aorta
aortic semilunar
arrhythmia
atrioventricular bundle
largest artery in body, rising from left ventricle of the heart
made up of three half moon shaped cups, located between junct…
absence of a normal rhythm in heart beat
conducting fibers in the septum, also known as the bundle of…
aorta
largest artery in body, rising from left ventricle of the heart
aortic semilunar
made up of three half moon shaped cups, located between junct…
40 terms
L16 heart physiology
Intercalated discs
Myocardium / myocardiocytes
Desmosomes and gap junctions
Myocardium composition
Junction between two cardiac cells
Heart muscles / heart muscle cells
Joins two cardiac muscle cells across intercalated discs
99% contractile, 1% auto rhythmic
Intercalated discs
Junction between two cardiac cells
Myocardium / myocardiocytes
Heart muscles / heart muscle cells
30 terms
Physiology Chapter 5 - the Heart
the prefix card means
the suffix vascular means
what is the blood transporting
arteries are
heart
vessels
oxygen and nutrients
blood vessels, take blood away from heart, have thicker walls
the prefix card means
heart
the suffix vascular means
vessels
83 terms
Anatomy and Physiology: Heart
pulmonary, systemic
pericardium
pulmonary circuit
systemic circuit
major division on circulatory system: _____________ circuit a…
double-walled sac that encloses the heart
taking deoxygenated blood and pumping it to the lungs to beco…
taking oxygenated blood from the heart and pumping it through…
pulmonary, systemic
major division on circulatory system: _____________ circuit a…
pericardium
double-walled sac that encloses the heart
30 terms
Anatomy & Physiology- The Heart
Pericardium
Epicardium
Myocardium
Endocardium
the membrane enclosing the heart, consisting of an outer fibr…
a serous membrane that forms the innermost layer of the peric…
the muscular wall of the heart, or the heart muscle. It contr…
the thin, smooth membrane that lines the inside of the chambe…
Pericardium
the membrane enclosing the heart, consisting of an outer fibr…
Epicardium
a serous membrane that forms the innermost layer of the peric…
32 terms
Heart and cardiac physiology
Pectinate muscle
Sinus Vernaron
Two major divisions of the cardiovascu…
Location and postion of the heart
Rough surface on both right and left atrium, parallel ridges…
Smooth portion of wall
Pulmonary circuit- right side of the heart, carries blood to…
Located in mediastinum between lungs
Pectinate muscle
Rough surface on both right and left atrium, parallel ridges…
Sinus Vernaron
Smooth portion of wall
28 terms
Physiology: Heart & Systemic Circulation
systole
diastole
late diastole
atrial systole
contraction
relaxation
both atria and ventricles are relaxed; blood is pouring into…
forces a small amount of blood into ventricles from the atria…
systole
contraction
diastole
relaxation
12 terms
Heart anatomy and physiology
Heart
Pulmonary Artery
Coronary arteries
Vena Cava
Lies beneath the breast bone in between the lungs. The job of…
These arteries deliver oxygen poor blood from the heart to th…
These arteries provide the heart with oxygenated blood And nu…
This delivers oxygen poor blood from the body too the heart.
Heart
Lies beneath the breast bone in between the lungs. The job of…
Pulmonary Artery
These arteries deliver oxygen poor blood from the heart to th…
37 terms
Anatomy and Physiology (The Heart)
The circulatory system is primarily co…
The major function of the cardiovascul…
List at least 5 things carried by the…
The heart is roughly the size of _____…
Heart and blood vessels
Transportation, pump
Oxygen, carbon dioxide, metabolic waste, hormones, nutrients
A fist, pound
The circulatory system is primarily co…
Heart and blood vessels
The major function of the cardiovascul…
Transportation, pump
46 terms
Anatomy & Physiology of Heart
Sac surrounding the heart.
Outer layer of the heart.
Outer Layer of the heart.
gregergregregregregregree
Pericardium
Epicardium
Epicardium
...
Sac surrounding the heart.
Pericardium
Outer layer of the heart.
Epicardium
50 terms
Heart Physiology 2
Arrythmia
Tachycardia
Bradycardia
First degree heart block
Condition where electrical activity is irregular
Heart rate above 100 beats per minute
Heart rate below 60 beats per minute
Occurs due to prolongation of the PR interval on an ECG to mo…
Arrythmia
Condition where electrical activity is irregular
Tachycardia
Heart rate above 100 beats per minute
71 terms
Physiology Cardiovascular: Heart
Cardiac Conduction System
Pacemaker potential
HCN channels
Ca leak channels
spontaneously generates and conducts AP... elicit AP in cardiac…
depolarize via HCN channels + Ca leak channels
permeable to K and Na... K out of cell... Na into cell (predominant…
direct Ca inward --> depolarization
Cardiac Conduction System
spontaneously generates and conducts AP... elicit AP in cardiac…
Pacemaker potential
depolarize via HCN channels + Ca leak channels
23 terms
Heart Terms (Anatomy & Physiology)
Myocardium
Chordae Tendineae
4 Valves
P Wave
Cardiac muscle tissue that the wall of each heart chamber is…
strong, fibrous strings attached to the leaflets (or cusps) o…
Keep blood flowing through the heart; prevent blood flow (fro…
Produced when a signal from SA node spreads through atria and…
Myocardium
Cardiac muscle tissue that the wall of each heart chamber is…
Chordae Tendineae
strong, fibrous strings attached to the leaflets (or cusps) o…
16 terms
Heart anatomy and physiology
Function of the Heart
Pericardium
Epicardium
Endocardium
Pump blood throughout the body
Double-layered membrane surrounding the heart.
outer layer of the heart
innermost layer of the heart and the thinnes
Function of the Heart
Pump blood throughout the body
Pericardium
Double-layered membrane surrounding the heart.
9 terms
Physiology of the heart terms
Electrocardiogram
P wave
T wave
Bradycardia
A recording of the electrical activity of the heart
The period when the atria are depolarizing
The period when the ventricles are repolarizing
An abnormally slow heartbeat, that is slower than 60 beats pe…
Electrocardiogram
A recording of the electrical activity of the heart
P wave
The period when the atria are depolarizing
12 terms
Heart Physiology Equations
Cardiac Output
Darcy's Law
Poiseuille's Law
Resistance
CO= MAP / R... CO=MAP / TPR... CO= SV x HR
Flow = delta P / R
Flow = (delta P x pi R^4) / 8 x viscosity x lenght
8 x viscosity x length / pi R^4)... simplified ... viscosity/ ra…
Cardiac Output
CO= MAP / R... CO=MAP / TPR... CO= SV x HR
Darcy's Law
Flow = delta P / R
13 terms
Anatomy & Physiology - Heart
Capillaries
Veins
Arteries
Right Ventricle
Small, thin-walled vessels between the smallest arteries and…
Carry blood toward the heart
Carry blood away from the heart
Pumps blood to the lungs
Capillaries
Small, thin-walled vessels between the smallest arteries and…
Veins
Carry blood toward the heart
17 terms
Chapter 12- Physiology of the Heart
Conduction (??)
Sinoatrial (SA) node
Atrioventricular (AV) node
Atrioventricular Bundle (Bundle of His)
1.an action potential is created and transmitted... 2.stimulate…
also known as pacemaker cells (cluster of cells located in ri…
1. part of the electrical conduction system of the heart that…
a collection of heart muscle cells specialized for electrical…
Conduction (??)
1.an action potential is created and transmitted... 2.stimulate…
Sinoatrial (SA) node
also known as pacemaker cells (cluster of cells located in ri…
47 terms
Blood & Heart Chapter Physiology
5-6 in males, 4-5 in females
- Transport gases (O2, CO2), nutrients…
Hematopoeisis
Stem Cells
How many liters of blood are in males? Females?
What are the three functions of blood in the body?
Defined as synthesis of blood cells, how the formed elements…
What are blood cells originally made from?
5-6 in males, 4-5 in females
How many liters of blood are in males? Females?
- Transport gases (O2, CO2), nutrients…
What are the three functions of blood in the body?
19 terms
Anatomy and Physiology: The Heart
What membranous sac encloses the heart?
What isthe serous secretion that lubri…
What isthe wall that divides the inter…
What is the halff of the upper chamber…
The pericardium
Pericardial fluid.
the interventricular septum
The Atrium
What membranous sac encloses the heart?
The pericardium
What isthe serous secretion that lubri…
Pericardial fluid.
15 terms
1.6 Heart Physiology
Cardiac muscle has short, thick, branc…
Sarcoplasmic reticulum is less develop…
Cardiac muscle fibers are connected en…
Desmosomes hold muscle fibers ____
nucleus
T-tubules
intercalated discs
together
Cardiac muscle has short, thick, branc…
nucleus
Sarcoplasmic reticulum is less develop…
T-tubules
33 terms
Heart Practical- Anatomy and Physiology
Brachiocephalic artery
Left subclavian artery
Common Carotid artery
Coronary arteries
location: right side of heart (right-most branch)// branches…
location: left side of heart (left-most branch)// branches of…
location: the middle of the heart (middle branch)// branches…
location: the stretch mark-like structures around the surface…
Brachiocephalic artery
location: right side of heart (right-most branch)// branches…
Left subclavian artery
location: left side of heart (left-most branch)// branches of…
Heart-Physiology/Systems1
System of the heart and vessels
Functions of cardiovascular system inc…
Right side of heart receives this type…
Left side of heart receives this type…
Cardiovascular
Delivery of nutrients, removal of wastes, and distribution of…
O2 poor/CO2 rich from tissues; lungs
O2 rich from lungs; tissues
System of the heart and vessels
Cardiovascular
Functions of cardiovascular system inc…
Delivery of nutrients, removal of wastes, and distribution of…
44 terms
Physiology: Heart Practical
Right Atrium
Left Atrium
Right Ventricle
Left Ventricle
A small chamber of the heart that recieves blood from the sup…
A small chamber of the heart that recieves blood from the pul…
A larger chamber with thin walls that recieves blood through…
A larger chamber with thicker walls that recieves blood throu…
Right Atrium
A small chamber of the heart that recieves blood from the sup…
Left Atrium
A small chamber of the heart that recieves blood from the pul…
23 terms
Major Heart Anatomy/Physiology
Vein
Artery
Superior Vena Cava
Inferior Vena Cava
Blood pumping towards the heart
Blood pumping out of the heart to the rest of body
The top vein of the heart that takes in blood from the arms a…
The bottom vein that takes in blood from the legs and lower b…
Vein
Blood pumping towards the heart
Artery
Blood pumping out of the heart to the rest of body
26 terms
Anatomy/physiology of the heart
What are the two pumps in the heart ca…
Definition of Systemic Circulation?
Definition of Pulmonary Circulation?
Definition of Cardiac Output (CO)?
Systemic Circulation and Pulmonary Circulation.
Pumps blood to all of the tissues in your body.
Pumps blood to the lungs.
The amount of blood the heart pumps through the circulatory s…
What are the two pumps in the heart ca…
Systemic Circulation and Pulmonary Circulation.
Definition of Systemic Circulation?
Pumps blood to all of the tissues in your body.
9 terms
physiology of heart failure
MI
pulmonary congestion
pedal edema, liver
chronic heart failure
loss of myocytes, ventricle becomes dilated, spherical... Decrea…
left ventricle weakens and cannot empty, decreased cardiac ou…
right ventricle weakens and cannot empty, decreased cardiac o…
Long-term condition where patients become symptomatic, morbid…
MI
loss of myocytes, ventricle becomes dilated, spherical... Decrea…
pulmonary congestion
left ventricle weakens and cannot empty, decreased cardiac ou…
31 terms
Physiology of the Heart Notes
They are so small it takes ten of them…
10
Electric
Conducting system
How small are capillaries?
How many capillaries does it take to equal the thickness of a…
The conducting system is ______.
What system is electric?
They are so small it takes ten of them…
How small are capillaries?
10
How many capillaries does it take to equal the thickness of a…
61 terms
Ch. 19 Heart Physiology
Heart Functions
Mediastinum
Location of Heart
Pericardium
*Generates blood pressure to provide adequate blood flow... * Ro…
Located in the midline of the body... * Contains the Heart, tra…
The midline of the body. About 2/3 is left of the midline and…
Covering of the heart... *2 layers - Fibrous Pericardium & Sero…
Heart Functions
*Generates blood pressure to provide adequate blood flow... * Ro…
Mediastinum
Located in the midline of the body... * Contains the Heart, tra…
18 terms
Pharm 7 Heart Physiology
Cardiac Cycle
Systole
Diastole
Stroke Volume (SV)
Beginning of one heart beat to the beginning of another heart…
•Ventricles contract/Atrium relax ... •Aortic and pulmonary valv…
•Ventricles relax/Atrium contract ... •Mitral and tricuspid valv…
Normally ~75 ml... Amount of blood that leaves the left ventricl…
Cardiac Cycle
Beginning of one heart beat to the beginning of another heart…
Systole
•Ventricles contract/Atrium relax ... •Aortic and pulmonary valv…
35 terms
Anatomy & Physiology of the Heart
Outer layer
Parietal pericardium folds upward onto…
Space between parietal and visceral la…
Serous membrane made of connective tis…
fibrous pericardium
visceral pericardium
pericardial cavity
Epicardium
Outer layer
fibrous pericardium
Parietal pericardium folds upward onto…
visceral pericardium
35 terms
Flashcards for Heart Physiology
Acetylcholine
Action of contracting the left ventricle
Atrial reflex
Atrium
slows the heart, opens potassium ion channels in the SA node…
Apex moves upward therefore the distance from the ape to the…
Triggered by increasing venous return and by atrial mechanore…
Functions to collect blood and pump blood into the ventricles
Acetylcholine
slows the heart, opens potassium ion channels in the SA node…
Action of contracting the left ventricle
Apex moves upward therefore the distance from the ape to the…
54 terms
Heart Physiology Test
Diastole
Systole
Apex
Heart located between...
relaxation
contraction
points downward and to the left so that two-thirds of the mas…
2nd and 6th ribs
Diastole
relaxation
Systole
contraction
31 terms
Heart anatomy and physiology
Pericardium parts (2)
Fibrous pericardium
Serous pericardium
Serous fluid
Fibrous and serous
Superficial layer, connective tissue, protects, anchors in me…
Forms later around heart:... Has two layers:... Superficial parieta…
Reduces friction between layers of the serous pericardium
Pericardium parts (2)
Fibrous and serous
Fibrous pericardium
Superficial layer, connective tissue, protects, anchors in me…
28 terms
Physiology test 2 - heart
1. Transport ... 2. Regulation ... 3. Prot…
1. Delivery of Nutrients and O2 to the…
1. hormones ... 2. regulation
1. Clotting after injury ... 2. Immune re…
Functions of the Circulatory System ... main general functions:…
Functions of the Circulatory System ... Transportation function…
Functions of the Circulatory System ... Regulation functions:... 1…
Functions of the Circulatory System... Protection functions :... 1…
1. Transport ... 2. Regulation ... 3. Prot…
Functions of the Circulatory System ... main general functions:…
1. Delivery of Nutrients and O2 to the…
Functions of the Circulatory System ... Transportation function…
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