The flaps of the atrioventricular valves are kept pointed in the direction of blood flow by papillary muscles and chordae tendineae papillary muscles and moderator band chordae tendineae ad pectinate muscles chordae tendineae and trabeculae carneae

Q: The cardiac valves consist of a central core of dense fibrous connective tissue lined on both sides…

A: There are four valve present in the heart which helps in regulation of blood flow. Blood flow in a…

Q: Generates electrical impulse that sets rhythm to the heart; the primary pacemaker of the heart. SA…

A: Heart has conductive system which generates and transfer the electrical impulses.

Q: Give the functions of the following: midrib, veins and veinlets

A: The midrib is the vein that run through the middle of the lamina. The midrib divides the lamina's…

Q: A patient has heart murmur associated with mitral valve. How will this affect the ECG? Explain.

A: A heart murmur is a clinical condition in which the flaps associated with the mitral valve cannot…

Q: Compare the structure of the left atrioventricular valve with that of the aortic valve.

A: Human heart has four chambers. It is a muscular organ whose shape is like a person’s closed fist The…

Q: Structures on the anterior side Function/significance Anterior interventricular sulcus…

A: all the given stuctures are related to the anatomy of heart wich can be explain as follows-

Q: Give the functions of the following: midrib, veins and veinlets.

A: The midrib is the vein that run through the middle of the lamina. The midrib divides the lamina's…

Q: Hydrostatic pressure is ________.a. greater than colloid osmotic pressure at thevenous end of the…

A: Hydrostatic pressure refers to the pressure, which is imparted by a fluid at equilibrium at a…

Q: Which of the following connects vessels through vascular anastomoses? a. precapillary sphincters c.…

A: BASIC INFORMATION  BLOOD VESSELS  These are components of Circulatory system. They have the…

Q: Look for the septal leaf of the tricuspid valve and just above its attachment,locate the…

A: The heart is a muscular organ situated on the left side of the chest. It is about the size of the…

Q: In supraventricular tachycardia, the rhythm may originate from any of the following, except SA Node…

A: Arrhythmias are irregular rhythms that do not obey the typical sequence of events. They are divided…

Q: The right and left brachiocephalic veins ________.a. drain blood from the right and left…

A: Blood vessels are the components of the circulatory system, which are essential for transporting…

Q: Under what conditions will the myogenic mechanism slow blood flow into a capillary bed? O rising…

A: Myogenic mechanism refers to the the response of the arteries to the increasing blood pressure. The…

Q: The sinoatrial node is also called the A. PacemakerB. Action potentialC. Resting membrane potent

A: Heart is an important organ that pumps blood. Heart is myogenic in nature meaning it is capable of…

Q: Blood flows directly from __________ into capillary beds.   A arterioles   B venules   C muscular…

A: A . arterioles

Q: Which of the following statements are true of the mitral valve? (Please note that you may pick more…

A: Mitral valve connects left atrium and left ventricle.During diastole this valve opens and the blood…

Q: Which valve prevents the backflow of blood from the left ventricle into the left atrium? 1.aortic…

A: The valves stop the backward flow of blood. These valves are actual flaps that are settled on every…

Q: Blood pressure is highest in the_____ and lowest in the_____ . a. arteries; veins c. veins; arteries…

A: The pressure given by blood which is circulating through the blood vessels on the inner walls of…

Q: The first heart sound is heard as the ECG records the end of the ______.   A P wave   B T-P…

A: An electrocardiogram (ECG or EKG) records the electrical signal from your heart to examine for…

Q: Which of the following best describes veins?a. thick walled, small lumens, low pressure,…

A: The blood vessels are the components of the circulatory system. It transports blood throughout the…

Q: The QRS wave of an ECG is produced by. a. depolarization of the atria. b. repolarization of the…

A: ECG or electrocardiogram is a diagram or graph of the electrical activity of heart that is produced…

Q: Which type of vessel has a large number of smooth muscle celllayers in its tunica media as well as…

A: In anatomical terminology, blood vessels represent one of the significant components of the human…

Q: State the location and function of the aortic and cartoid baroreceptors and the aortic and carotoid…

A: The body can counteract short term as well as long term changes in the blood pressure. Short term…

Q: ollowing components of the cardiovascular system and describe how they achieve their functions…

A: Answer Cardiovascular system transports blood which carries Oxygen, nutrients as well as hormones…

Q: Describe the components of the left atrioventricular valve.

A: The heart has four chambers: right atrium, right ventricle, left atrium, and left ventricle. The…

Q: The papillary musclesa. are attached to chordae tendineae.b. are found in the atria.c. contract to…

A: The papillary muscles keep valves from inverting. (a) The papillary muscles have chordae tendineae…

Q: Identify the three main branches of the aortic arch that receiveoxygenated blood, and identify the…

A: The three main branches of the aortic arch are: Brachiocephalic trunk: It is the largest branch of…

Q: Describe the action of the tricuspid valve when you squeezed the water-filled right ventricle.

A: The heart is a muscular pumping organ that passes deoxygenated blood to the pulmonary organ and…

Q: The vessel at the arrow drains the sigmoid dural sinus. Name the blood vessel AND the name of the…

A: Introduction:-  The superior vena cava is a large, valveless vein that conveys venous blood from…

Q: tructures on the anterior side Function/significance Anterior interventricular sulcus…

A: The heart is the prime organ of the circulatory system of the body. It is a four-chambered organ…

Q: As blood in the ventricles surges back against the closed AV valves, the first heart sound lubb can…

A: The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

Q: List the names of the atrioventricular valves

A: The prime organ of the circulatory system is the heart. It plays a vital role in pumping oxygenated…

Q: Which process is being illustrated in the diagram (see picture)? Semilunar valves closed…

A: In this question asked about the cardiac cycle.  Cardiac cycle is event in the heart contractions.…

Q: The pco2 in the aorta is  a 40mmhg b 46mmHg c 100 mmHg

A: The partial pressure can be described as the amount of gas present in a mixture of substance and the…

Q: A. begins with closure of the AV-valves and ends with opening of the valves B. begins with opening…

A: There are two types of atrioventricular valves. The mitral and the tricuspid valves, also known as…

Q: All the blood that passes through the aorta, except the blood that flowsinto the coronary vessels,…

A: Resistance is a force that opposes the flow of a blood.

Q: Lumen of the right atrium Lumen of the right ventricle Right atrioventricular valve Right coronary…

A: * Heart is made up of cardiac muscles  * Heart consists of two atria and two ventricles  * And it…

Q: Why is the delay in electrical conduction between the atria and the ventricles important?…

A: The cardiovascular system(circulatory system) is defined as a organ system that are comprised of the…

Q: Fill in the blank:  During ventricular contraction, the A-V valves (tricuspid and bicuspid valves)…

A: Cardiac cycle is the event that is initiated by spontaneous generation of an action potential in the…

Q: than ventricular pressure while semilunar valves are open ventricular pressure is greater than…

A: Kindly repost the rest questions to be answered as I can only give answer to 3 subparts at once…

Q: The ___ valves are positioned between the atria and the ventricles.

A: Heart the mesodermally derived organ, is situated in the thoracic cavity in between the lungs,…

Q: Give exact location of mitral valve and state its function.

A: The Mitral valve is the valve between the left atrium and left ventricle of the heart, consisting of…

Q: Give exact location of tricuspid valve and state its function.

A: The tricuspid valve typically has three pamphlets, named the foremost, back, and septal handouts.…

Q: Trabeculae ___ are visible on the inner surface of the ventricles

A: The human heart is four-chambered with two atria and two ventricles that help in pumping the blood…

Q: Why is it important that the AV node delay the electricalimpulse moving from the SA node and the…

A: The  AV node is a part of the electrical conduction system of the heart that coordinates the top of…

Q: The vein that collects most of the venous blood from below the diaphra O superior vena cava O…

A: Heart is situated in the thoracic cavity;present between two lungs; and is slightly tilted towards…

Q: The first heart sound is caused by turbulent blood flow which occurs as close(s). A only mitral…

A: Heart sound During each cardiac cycle two prominent sounds are produced. These are "Lubb" and "Dub"…