Heart
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| A healthy 80-kilogram resting adult's heart beats ____ times per min. | show 🗑
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| The amount of blood pumped from one ventricle per min is called ____ ____. | show 🗑
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| When the body is more active and needs more nutrients the heart can increase its output by ____ to ____ fold. | show 🗑
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| Two basic types of blood vessels are ____ and ____. | show 🗑
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| show | Arteries
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| show | Veins
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| show | great vessels
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| show | unidirectional
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| Backflow of blood is prevented by ____. | show 🗑
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| show | rate, volume
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| show | blood pressure
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| Pulmonary circulation consists of the chambers on the ____ side of the heart. | show 🗑
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| show | stroke volume multiplied by heart rate
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| Systemic circulation consists of the chambers on the ____ side of the heart. | show 🗑
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| show | venae cavae, right
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| The heart is located ____ of the body midline, posterior to the ____ and in the ____. | show 🗑
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| The heart is slightly rotated so the ____ border is more anterior and the ____ border is more posterior. | show 🗑
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| The posterosuperior surface of the heart is called the ____. | show 🗑
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| show | superior border
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| show | apex
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| show | right ventricle
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| The heart is contained within the ____, a fibrous sac and serous lining. | show 🗑
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| 2 functions of the pericardium: ____ heart movement and prevents it from ____ with blood | show 🗑
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| The outer portion of the pericardium is a tough, dense connective tissue layer called ____ _____. | show 🗑
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| show | serous pericardium
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| The serous pericardium is divided into two layers _____ layer and ____ layer. | show 🗑
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| show | parietal
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| The ____ layer of serous pericardium covers the outside of the heart. | show 🗑
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| The thin space between the parietal and visceral layers of serous pericardium is the ____ ____. | show 🗑
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| The pericardial cavity is a ____ space with just a thin lining of serous fluid. | show 🗑
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| In an average normal adult the heart weighs ____ to ____ grams. | show 🗑
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| The ____ is the outermost heart layer and is AKA visceral layer. | show 🗑
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| The ____ is the middle layer of the heart wall and is composed of cardiac muscle tissue. | show 🗑
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| The myocardium is where ____ ____ (heart attacks) occur. | show 🗑
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| show | endocardium
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| show | endothelium
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| show | atria
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| show | auricle
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| show | systemic, pulmonary
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| show | ventricles
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| show | pulmonary, aorta
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| The pulmonary trunk carries blood from the ____ ____ into the pulmonary circulation. | show 🗑
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| The aorta conducts blood from the left ventricle in the ____ circulation. | show 🗑
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| The atria are separated from the ventricles externally by a deep _____ _____. | show 🗑
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| show | ventricles
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| All sulci house blood vessels packed in ____ tissue. | show 🗑
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| The heart possesses four chambers: | show 🗑
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| The heart possesses four valves: | show 🗑
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| In a normal 80 kg resting adult blood pumped from one ventricle per min ____ L (cardiac output). | show 🗑
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| The ____ _____ of the heart is located between the atria and the ventricles, is formed from dense regular connective tissue. | show 🗑
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| show | fibrous skeleton
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| The ____ ____ anchors heart valves by forming supportive rings at their attachment points. | show 🗑
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| show | electrical insulation
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| ____ ____ provides a rigid framework for the attachment of cardiac muscle tissue. | show 🗑
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| show | atrium
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| show | superior vena cava, coronary sinus
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| The ____ ____ ____ drains blood from the head, neck, upper limbs, and superior regions of the trunk n to the right atrium. | show 🗑
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| The ____ ____ ____ drains blood from the lower limbs and trunk into the right atrium. | show 🗑
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| The ____ ____ drains blood from the heart wall into the right atrium. | show 🗑
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| The ___ ___ forms a thin wall between the right and left atria. | show 🗑
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| show | pectinate
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| show | fossa ovalis
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| The fossa ovalis is formally known as the fetal ____ ovale. | show 🗑
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| show | atrioventricular
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| The right AV opening is covered by a right ____ valve (tricuspid). | show 🗑
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| show | backflow
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| The right ventricle receives ____ venous blood from the RA. | show 🗑
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| show | interventricular septum
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| The internal wall of each ventricle has large, smooth, irregular muscular ridges called ____ ____. | show 🗑
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| show | papillary
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| show | chordae tendineae
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| The ____ ____ attach to the lower surface of cusps of the right AV valve and prevent the valve from everting and flipping into the atrium. | show 🗑
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| show | septomarginal trabecular
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| show | conus arteriosus
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| show | pulmonary semilunar
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| show | pulmonary trunk
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| show | cusps
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| Oxygenated blood travels through the pulmonary veins to the ____ ____. | show 🗑
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| show | atrioventricular, left atrioventricular (AV)
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| show | aortic semilunar valve
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| show | coronary arteries
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| The left and right coronary arteries are the only branches of the ascending ____. | show 🗑
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| The right coronary artery typically branches into the right ____ artery and the posterior ____ artery. | show 🗑
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| The right marginal artery supplies the ____ ____ of the heart. | show 🗑
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| The posterior interventricular artery supplies ____ surface of both the left and right ventricles. | show 🗑
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| The left coronary artery branches into ____ ____ artery and the _____ artery. | show 🗑
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| The anterior interventricular artery supplies the ____ surface of both ventricles and most of the interventricular septum. | show 🗑
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| The circumflex artery supplies the left ____ and ____. | show 🗑
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| Coronary arteries are considered ___ ___ arteries despite the fact that they have anastomoses. | show 🗑
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| ___ let the arteries share a tiny amount of blood. This is not enough blood to share when one of them is blocked. | show 🗑
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| show | cardiac vein
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| The ____ ____ vein runs alongside the posterior interventricular artery. | show 🗑
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| show | small cardiac
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| show | coronary sinus
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| show | right atrium
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| show | relaxation
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| An inadequate coronary blood flow called ____ is an increased heart rate that shortens diastole. | show 🗑
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| show | hypotension
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| show | pulmonary
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| ____ is a visceral layer of serous pericardium surrounding the outer walls of the heart | show 🗑
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| What is the function of serous fluid? | show 🗑
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| The coronary sulcus separate the ____ and the ____ externally | show 🗑
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| show | contraction
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| The _____ _____ attach to the lower surface of cusps of the right AV valve and prevent the valve from everting and flipping into the atrium when the RV is contracting. | show 🗑
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Created by:
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