Cardiovascular system (1) Easy and simple questions in anatomy, physiology, embryology of cardiovascular system Omneya published on August 27, 20182 responses 0 « Previous Next » Questions in vertical order 1/50 1.Elastic artries.. 1.Possessing clear internal and external elastic laminae 2.found minly near the heart 3.contract during venticular systole to help propel blood forword 4.have thin tunica media 5.have diameter range from 1 cm to 0.3 cm 2/50 2.Vasa vasorum are A. Large blood vessels B. Found in tunica intima C. Not branching vessels D. Found tunica adventitia E. Norish intima directly 3/50 3.The tunica media is absent in A. Veins B. Aorta C. Capillaries E. None of the above D. Large arterioles 4/50 4.Portal system are A. Arterial only B. Venous only C. Only found between the small intestine and liver D. Formed when a blood vessel is situated between two capillaries bed E. Found in fetal blood circulation 5/50 5.The cardiac plexuses of nerves include A. Sympathetic fibers B. Parasympathetic fibers C. Sensory fibers D. Somatic motor fibers E. A, B and C only 6/50 6.The Coronary sinus receives blood from the veins listed below, except A. Small cardiac vein B. Anterior cardiac veins C. Middle cardiac vein D. Oblique vein of the left atrium E. Great cardiac vein 7/50 7.Regarding the right Coronary artery, select one best answer A. It artries from the anterior aortic sinus B. It gives off a posterior interventicular branch C. It supplies the right atrium D. It shares in supplying SA node E. All of the above 8/50 8.In the heart the following statement are true, except A. Sympathetic nerves dilate the Coronary arteries B. The foramen ovale is the gap between the septum primum and the endocardialcushions C. The sinus vensus becomes incorporated into the right atrium D. Folding of the heart tube occurs on days 32-38 E. . Ductusvensous in fetal circulation becomes ligmentumteres after birth 9/50 9.Regarding congenital anomalies of the heart and great vessels A. Transposition of the great vessels is due to aorticpolmunary septum runs a spiral course insted of its straight course B. Tetralogy of fallot results in a smaller stenotic aorta C. In dextrocardiada, the primitive heart tube folds to the left D. Contraction of aorta produces notching of the upper borders of the ribs E. Patent ductusarterious PDA causes right to left shunt 10/50 10.The chamber forming most of the sternocostal surface of the heart is A. Right ventricle B. Left atrium C. All four chambers contribute equally D. Left ventricle E. Right atrium 11/50 11.The right border of the heart is formed by the A. Right ventricle B. Right and left atria C. Right atrium D. Right and left ventricle E. Left atrium 12/50 12.Posterior wall of the transverse sinus of the pericardium A. Right atrium B. Ascending aorta C. Inferior vena cava D. Pulmonary trunk E. Right ventricle Maybe it's none of the above 13/50 13.All of the following structures are parts of the right atrium except A. Crista terminalis B. Limbus fossa ovalis C. Valve of inferior vena cava D. Trabeculacarneae E. Fossa ovalis 14/50 14.Regarding the left ventricle all are true except A. It forms the apex of the heart B. It contains the moderator band C. It has two Papillary muscles D. It forms left 1/3 of the sternocostal surface of the heart E. It forms left 2/3 of the diaphragmatic surface of the heart 15/50 15.Of the following, the heart sound best heard in the second right intercostal space near the broder of the sternum is A. Tricuspid valve B. Pulmonary valve C. Mitiral valve D. Aortic valve E. None of the above is heard at this point 16/50 16.All these are correct about fibrous pericardium, except It is made up of dense and loose connective tissue, Anteriorly, It is attached to the posterior surface of the sternum by the sternopericardial ligaments. Superiorly, It continuous with the tunica adventitia of the great vessels of the heart It is the most superficial layer of the pericardium It contains a thin film of fluid that enables the heart to move and beat in a frictionless environment. 17/50 17.Pectinate muscle.. A. Found in right and left atria B. Originate from crista terminalis C. Found on the inner wall of both ventricles D. Both A and B are correct E. Both B and C are correct 18/50 18.Regarding the aorta, choose the correct answer Originate from left atrium The ascending aorta begins at the opening of the pulmonary valve The aortic arch loops over the left pulmonary artery and the bifurcation of the pulmonary trunk All of the above are correct None is correct 19/50 Which of the following consists of inelastic dense irregular connective tissue? Parietal layer of pericardium Serous pericardium Fibrous pericardium Epicardium Pericardial cavity 20/50 This marks the boundarybetween the ventricles... Coronary sulcus Anterior interventricular sulcus Posterior interventricular sulcus Coronary sulcus and posterior interventricular sulcus Anterior and posterior interventricular sulcus 21/50 The groove that separates the upper and lower champers of the heart is.. Primitive groove Fossa ovale Coronary sulcus Limbus of fossa ovale None of these is correct 22/50 This consists of mesothelium and connective tissue.. Epicardium Myocardium Endocardium Pericardial cavity Fibrous pericardium 23/50 Through which structure does blood pass from the right atrium to the right ventricle? Bicuspid valve Interventricular septum Tricuspid valve Mitral valve Ascending aorta 24/50 Stimulation of this nerve reduces heart rate.. Cardiac accelerator nerve Hypoglossal nerve Medulla oblongata nerve Vagus nerve Phrenic nerve 25/50 This vessel distributes oxygenated blood to the myocardium.. Coronary artery Coronary vein Right ventricle Left auricle Myocardial vein 26/50 This is the layer that protects the heart.. Epicardium Parietal layer Myocardial tissue Mediastinum Endocardium 27/50 To the which side of the body is the apex of heart pointed? At the midline To the left To the right Different for males and females Posteriorly 28/50 In this disorder the aortic valve is narrowed.. Aortic insufficiency Rheumatic fever Mitral valve prolapse Aortic stenosis Aortic regurgitation 29/50 This is the mass of tissue from the sternum to the vertebral column between the lungs.. Epicardium Parietal layer Pericardial tissue Mediastinum Fibrous cardium 30/50 This part of the brain regulates heart rate.. Cardiac accelerator nerves Chemoreceptors Medulla oblongata Vagus nerve Proprioceptors 31/50 This is used to reduce the friction between membranes of the heart.. Epicardium Endocardium layer Pericardium Pericardial (serous) fluid Pericardial cavity 32/50 In a fetus, this structure temporarily shunts blood from the pulmonary trunk into the aorta.. Fossa ovalis Foramen ovale Trabeculae carnae Descending aorta Ductus arteriosus 33/50 Cardiac muscle fibres electrically connect to neighbouring fibres by Desmosomes Intermediate discs Gap junctions Contractile fibres Chordae tendinae 34/50 These extend into the auricle.. Pectinate muscles Interatrial septum Coronary sulcus Ventricle Chordae tendinae 35/50 What types of tissue comprises the vavles of the heart? Dense regular connective tissue Dense irregular connective tissue Areolar connective tissue Hyaline cartilage Cardiac muscle tissue 36/50 What makes up a cardiac muscle - single central nucleus - contraction involves shortening of sarcomeres - rely on cellular respiration to obtain energy to contract Has striations intercalated disks All of the above 37/50 This is used to increase the capacity of the atrium.. Ventricle Coronary sulcus Fossa ovalis Interatrial septum Auricle 38/50 Which layer consists of cardiac muscle tissue? Epicardium Pericardium Myocardium Endocardium Hypocardium 39/50 This heart structure carries deoxygenated blood.. Left atrium and ventricle Left atrium Right atrium and ventricle Right ventricle Left atrium and right ventricle 40/50 The largest blood vessel in the body.. Esophagus. Artery. Capillary. Aorta. Veins. 41/50 What divides the left side of the heart from the left side? Septum. Atrium. Ventricles. Wall. Champers. 42/50 The right side of the heart pumps the blood _____ the heart ______ the lungs. To, from From, to To, to From,from 43/50 Mohammed live in a place with cold weather Although he has a jacket on, he is still cold. How can his circulatory system help keep her warm? Increase blood volume Regulation of body temperature by sweating The arterioles at the surface of his skin vasodilate The arterioles at the surface of his skin vasoconstrict None of the above 44/50 What color are white blood cells White Red Yellow Pink Colorless 45/50 What is the circulatory system? Your body's muscles. Your body's nerves. Your body's blood transporting system 46/50 White blood cells contain a _______, while red blood cells do not. Nucleus. Brain. Red color. Hemoglobin 47/50 Ahmed is a tennis player.. He is working very hard on the court. In general, what is the function of her heart To create red blood cell through hematopoises To oxygenated blood while removing carbon dioxide To generate ATP for muscular activitiy To ensur that oxygen is consistently supplied to body tissue like his muscles 48/50 In these answers what is wrong about Blood capillaries Present every where in the body Have rounded regular lumen Lined with stratified squamous epithelium Have basement membrane surrounds the endothelium No wrong answer 49/50 What is the visceral layer of the serous pericardium? A. Endocardium B. Pericardium C. Epicardium D. Both B and C E. None of the above 50/50 The semilunar and atrioventicular valve develop from Specialized muscle between the chambers Localized proliferation of tissue around the orifices of future Primitive tube Closing of Fossa ovale after birth None of the above
