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170 Cards in this Set

  • Front
  • Back
Sac around the heart is called
Pericardium
Blood is a connective tissue composed of . . .
plasma, red blood cells, white blood cells, and platelets
#1
Where is the heart located?
Mediastinum
* Superior surface of diaphragm
* Left of the midline
* Anterior to the vertebral colum, posterior to the sterum
Outer surface of the heart
Epicardium
Functions of blood include . . .
1) Distribution of oxygen. 2) Regulation of body temperature. 3) Protects against blood loss and infection.
#2
What -
* Protects and anchors the heart
* Prevents overfilling of the heart with blood
* Allows for the heart to work in a relatively friction free environment
Pericardium
Thick heart muscle
Myocardium
Nitrogenous by-products of metabolism—lactic acid, urea, creatinine
Blood Plasma
#3
Name the pericardial layers of the heart
Pericardium
Myocardium
Fibrous skelton
Endocardium
These are dedicated to respiratory gas transport.
Erythrocytes
Blood cell formation
Hematopoiesis
#5
What is the cardiac muscle layer forming the bulk of the heart?
Myocardium
Too few RBCs leads to . . .
blood viscosity
#6
Name the crisscrossing, interlacing layer of connective tissue
Fibrous skeleton of the heart
Too many RBCs increases
blood viscosity
#7
What is the endothelial layer of the inner myocardial surface called?
Endocardium
Direct stimulus for erythropoiesis
The hormone EPO
#8
Name the four vessels returning blood to the heart:
Superior & Inferior Venae Cavae
Right & Left Pulmonary Veins
Blood has abnormally low O2-carrying capacity
Anemia
What is in the pericardial cavity?
Serous fluid that keeps the heart from sticking to the pericardium
#9
Name the 2 vessels conveying blood away from the heart:
Pulmnary trunk
Ascending aorta
Anemia is accompanied by . . .
fatigue, paleness, shortness of breath, and chills
What is inflamation of the heart called?
Pericarditis
#10
The pulmonary trunch splits into right and left ______.
Pulmonary arteries
Anemia is caused by . . .
Insufficient erythrocytes, Low Hemoglobin content (Iron Deficiency), Lack of B12, and sickle anemia
The pacemaker of the heart is what?
Sinoatrial node-SA
Average heart rate
72/bpm
There are 5 types of leukocytes (WBC). They are. . .
Neutrophils, Eosinophils, Basophils, Lymphocytes, and Monocytes
#12
Name the 4 arteries that drain blood away from the heart
right and left coronary (in atrioventricular groove) marginal circumflex, and anterior interventricular arteriers.
Fast heart rate
Tachycardia
These WBC are the most numerous and serve as bacteria slayers.
Neutrophils
#13
Name the 3 veins that supply blood to the heart
small cardiac, anterior cardiac, and great cardiac veins.
Slow heart rate
Bradycardia
These WBC digest parasitic worms.
Eosinophils
These WBC are the rarest and contain histamine
Basophils
#15
The 3 vessels conveying blood away from the heart include:
aorta
right and left pulmonary arteries
What blood thinner does a leech naturally contain?
Heparin
These WBC have a multilobed
nucleus.
Neutrophils
#16
What artery is associated with the atrioventricular groove?
Right coronary artery
These WBC have a bilobed nucleus, red cytoplasmic granules.
Eosinophils
These WBC have a bi-lobed nucleus,purplish-black
cytoplasmic granules.
Basophils
Largest artery in the body is what?
Aorta
These WBC are crucial to immunity.
Lymphocytes
These WBC leave circulation, enter tissues, and differentiate into macrophages
Monocytes
These WBC have a large spherical nucleus.
Lymphocyte
These WBC are kidney-shaped.
Monocytes
Where does the exchange of CO2 and O2 take place?
Alveoli
#22
Blood enters the right atrium from where?
the superior and inferior venae cavae and coronary sinus
These are crucial to blood clotting and seal small tears in blood vessels.
Platelets
What is the Pulmonary System
right side of heart, receives venous blood returning from the body and pumps deoxygenated blood to the lungs.
#23
Blood enters the atria from what veins?
pulmonary veins
Abnormally low WBC count
Leukopenia
What is the Systemic System
left side of heart, receives blood from lungs and pumps blood to the body
#24
What are the discharging chambers of the heart?
Ventricles
Cancerous conditions involving WBCs
Leukemia
What is a receiving chamber called
Atria
Acute leukemia primarily
affects . . .
children
#26
The right ventricle pumps blood into the _______.
pulmonary truck
#27
The left ventricle pumps blood into the ________.
aorta
Chronic leukemia is more prevalent in . . .
older people
Arteries do what
Carry blood away from the heart
#28
Name the pathway of blood throught the heart and lungs
Right atrium - tricuspid valuve - right ventricle - pulmonary semilunar valve - pulmonary arteries - lungs - pulmonary veins - left atrium - bicuspid valve - left ventricle - aortic semilunar valve - aorta systemic circulation
Series of reactions for stoppage of bleeding
1)Vascular spasm
2)Platelet plug formation
3)Coagulation (blood clotting)
Veins do what
Carry blood back to the heart
A clot that develops and persists in an unbroken blood vessel
Thrombus
What is the valve between the Right Atrium and Right Ventricle called
Tricuspid valve
A thrombus freely floating in the blood stream.
Embolus
What is the valve between the right atrium and right ventricle called
Right semilunar valve
People with O type blood can be called. . .
universal donors
What is the valve between the Left Atrium and the Left Ventricle
Bicuspic or Mitral valve
What is the valve between the Left Ventricle and the exiting artery
Left semilunor or Aortic
People who have AB type blood are called. . .
Universal Recipient
#37
What valves prevent the backflow of blood into the ventricles?
Semilunar valves
#58
What layer lines the surface of the heart?
visceral layer or epidcardium
#59
The pericardium is seperated by the fluid filled _____ _____.
the fluid-filled pericardial cavity
What is a set of reaction in which blood is transformed from liquid to a gel?
Coagulation
In what disease is the bone marrow totally occupied with cancerous leukocytes?
Leukemia
In this condition defective gene codes for abnormally shaped hemoglobin
Sickle Cell Anemia
This condition causes RBCs to become sick shaped in low oxygen situations.
Sick Cell Anemia
These disorder causes undesirable clot formation...
Thromboembolyic disorders
This disorder is an abnormal excess of RBCs that increases blood viscosity, causing the blood to flow sluggishly.
Polycythemia
Blood doping, practiced by some athletes is artificially induced ...
Polycythemia
This is a sign rather than a disease itself.
Anemia
Causes of anemia include ...
1) Not enough RBC
2) Low Hemoglobin Content
3) Sickle Cell Anemia
4) Pernicious Anemia (lack of B12)
Embolus are usually no problem until they encounter a blood vessel to narrow for it to pass through. Then it becomes . . .
Embolism
In this disorder one of the globin chains is absent or faulty, RBCs are thin and deficient in hemoglobin.
Thalassemia
This is a hereditary bleeding disorders where there is prolonged bleeding...
Hemophilla
Where does the ventricular filling take place?
Mid to late diastole
Trace the pathway of blood through the heart
FOOT, Vena cavas & coronary sinus, right atrium, tricuspid valve, right ventricle, semilunar valve, pulmonary trunk, LUNGS, pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic valve, aorta, BODY
This causes clot/plaque build up and thoracic pain
Angina pectoris
Build up of fatty plaque and hardening of the arteries
Atherosclerosis
Ballooning of blood vessels
Aneurysm
Irregular heart rhythms
Arrhythmias
This node delays impulses
AV
This is found in the inter ventricular septum
Bundle of HIS
Complete pathways into apex-ventricular walls
Purkinje Fibers
Fast heart rate
Tachycardia
Slow heart rate
Bradycardia
Stroke Volume
SV=EDV-ESV
What is EDV?
The volume of blood in each ventricle at the end of diastole.
What is ESV?
The volume of blood in each ventricle after contraction.
What is Cardiac Output?
Volume of blood pumped by each ventricle in one minute.
The volume of blood pumped out by a ventricle with each beat?
Stroke volume
Cardiac Output =
Heart Rate (HR) x Stroke Volume (SV)
What blood vessel does not have three layers?
Capallaries
What are the three layers of blood vessels?
Tunica Intima, tunica media, and tunica externa
What tunica contains the endothelium, the simple squamous that lines the lumen of all blood vessels.
Tunica Intima
This tunica is made mostly of smooth muscles and sheets of elastin.
Tunica media
This tunica is composed mostly loosely woven collagen fibers that protect and reinforce the vessel.
Tunica externa
Reduction of the lumen diameter as the smooth contracts.
Vasoconstriction
Increase in lumen diameter as the smooth muscle contracts.
Vasodilation
These are thick walled arteries near the heart. They are the largest in diameter.
Elastic Arteries
This type of arteries contain more elastin than any other vessel type
Elastic Arteries
_____ are vessels that transport blood away from the heart
Arteries
______ are the smallest vessels, the link between arteries and veins in the pathway of blood.
Capillaries
In the _____ artery, the
tunica media is composed mainly of smooth muscle
Muscular
Three Groups of Arteries
1. Elastic Arteries
2. Muscular Arteries
3. Arterioles
______ are the smallest arteries.
Arterioles
The more _____ tissue in an artery, the greater
its ability to expand and recoil
Elastic
______ consist of only a thin tunica intima or endothelium
Capillaries
_______ have virtually no elastin
Arterioles
This blood vessels have thinner walls, larger lumens than compared to arteries
Veins
This blood vessel has tunica media and a thick tunica externa consisting of collagen fibers and elastic networks.
Veins
Veins prevent the _____ of blood.
Backflow
Force per unit area exerted on the wall of a blood vessel by the blood
Blood Pressure
What are the factors that influence blood pressure
CO, Peripheral resistance, and blood volume.
The volume of blood flowing through a vessel, an organ, or the entire circulation in a given period.
Blood Flow
Opposition to flow and is a measure of the amount of friction blood encounters as it passes through the vessel.
Resistance
What is the relationship between flow, pressure, and resistance?
F = change in P/ R
High blood pressure
Hypertension
Hypertension is common in ____ people.
obese
____ hypertension is a major risk because of heart failure, vascular disease, renal failure, and stroke.
Prolonged
Hypertension accelerates the process _____
Atherosclerosis
What are the 4 layers of the heart?
Pericardium, Epicardium, Myocardium, and Endocardium
What are the 4 chambers of the Heart?
Right Atrium, Left Atrium, Right Ventricle, Left Ventricle
4 Valves of the Heart
Tricuspid, Aortic, Pulmonary, Mitral (Bicuspid)
The pacemaker of the heart
SA node
Heart muscle is deprived of oxygen and dies.
Infarction
Abnormal sound heard during a heart beat, may be caused by a valve defect
Murmur
A condition of irregular and rapid contraction of heart muscle cells.
Fibrillation
Which layer of the heart is deep layer of the pericardial cavity?
Epicardium
What happens in cardiac systole?
The heart is contracting
I am a granulocyte that only live for a few hours because I work so hard killing bacteria in your bloodstream.
Neutrophil
I am a leukocyte that contains granules of histamine and heparin.
Basophil
I am the biggest agranulocyte and you need me to move in to tissues to kill invading viruses and bacteria.
Monocyte
I might be uncommon but if you ever get a parasitic worm you'll be glad to have me.
Eosinophil.
Another name for a RBC
Erythrocyte
I am a white blood cell that hangs out in your lymph nodes waiting for a chance to mount an immune response.
Lymphocyte
I am very important in hemostatsis.
Platelets
You have O+ blood, name the blood types of the people you can accept blood from.
only O
Depolarization of SA node
P Wave
Ventricular Depolarization
QRS Wave
Ventricular Re-polarization
T Wave
Contraction
Systole
Relaxation
Diastole
When does ventricular filling take place?
Mid to late diastole
All valves are closed
Isovolumetric
What are the 3 factors that affect SV?
Preload, Contractility, After-load
What are the characteristics of blood?
plasma, RBC, WBC, platelets
What are the functions of blood?
Distribute Oxygen, Regulate body temp, protect body against blood loss, and protect against infections
What is dedicated to respiratory gases?
RBCs
Arteries carry blood ____ heart.
away from
Veins carry blood ____ heart.
towards
What blood vessel exchanges gases, nutrients, wastes, hormones?
Capillaries
These capillaries are abundant in skin, muscle, and brain?
Continuous
These capillaries have a tight junction forming a blood - brain barrier?
Continuous
These capillaries contain small pores and are more permeable?
Fenestrated
These capillaries function in absorption or filtrate?
Fenestrated
These capillaries have a large lumen, large intercellular clefts, and large pores.
Sinusoidal
These capillaries are found in bone marrow, liver, and spleen
Sinusoidal