Comparing and contrasting arteries and veins, veins havea. thicker walls.b. a greater amount of smooth muscle than arteries.c. a tunica media, but arteries do not.d. valves, but arteries do not.e. All of these are correct

Q: The adult aortic arch develops from the embryonic:- a. right aortic arch IV. b. left aortic arch IV.…

A: Introduction: The aortic arches are also referred to as the pharyngeal arch artery, which is the…

Q: A major difference between arteries and veins is thata. arteries always carry oxygenated blood;…

A: The circulatory system has blood vessels to carry blood from one place to another throughout the…

Q: The Internal Iliac artery is a:     A. Visceral branch of the aorta     B. Parietal branch of the…

A: Blood vessels are one of the three key components (The other 2 being the heart and the blood) are…

Q: The major baroreceptor(s) used to regulate blood pressure is/are located in… Group of answer…

A: Baroreceptors sense the change in blood pressure and transmit information to the brain so that…

Q: The coronary arteries branch off of the ________.a. aortic valveb. ascending aortac. aortic archd.…

A: The human heart is a four-chambered muscular organ that pumps blood throughout the body. It pumps…

Q: The ascending aorta and pulmonary trunk develop from the embryonic:- a. bulbus cordis only. b.…

A: Ascending aorta refers to the part of the aorta that begins at the upper region of the left…

Q: The resistance to blood flow is greatest in thea. aorta. c. capillaries. e. veins.b. arterioles. d.…

A: Hemodynamics or haemodynamics are the dynamics of blood flow. The circulatory system is controlled…

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: For vessels with identical length which has the least resistance to blood flow: O A. An artery with…

A: Blood vessels are of 3 types namely1.Arteries2.Veins3.Capillaries Each blood vessel has a unique…

Q: When the ventricular walls contract A.  the mitral valve opens, and the tricuspid valve closes. B.…

A: Introduction  Ventricles are the two lower chambers of the heart, located below the atria. The heart…

Q: In which of these blood vessels are elastic fibers present in the largestamounts?a. large arteries…

A: Elastic fibres can be defined as the yellow fibre comprises of elastin protein. These fibres occur…

Q: Which of the following anatomical structures is not part of the systemic circuit a. left ventricle O…

A: The cardiovascular system is composed of two main circuits - A. The pulmonary circuit B. The…

Q: The Right Subclavian artery is a:     A. Visceral branch of the aorta     B. Parietal branch of…

A: Blood vessels are one of the three key components (The other 2 being the heart and the blood) are…

Q: Some venous blood from the upper limb drains through thea. cephalic vein.b. great saphenous vein.c.…

A: The blood circulates throughout the body as part of the systemic circulation. The aorta circulates…

Q: During the recycling of components following the normaldestruction of erythrocytes, globin is broken…

A: Hemoglobin is a metalloprotein molecule present in red blood cells. Hemoglobin serves the function…

Q: In humans, blood returning to the heart from the lungs returns toa. the right ventricle. d. the left…

A: In humans, the route of blood through the pulmonary circuit is as follows: Right ventricle -->…

Q: Which combination of vessels has the most resistance to blood flow: O A. A single 2 Cm long artery…

A: Blood vessels are of 3 types namely1.Arteries2.Veins3.Capillaries Each blood vessel has a unique…

Q: Blood flow in the coronary circulationa. increases during systole.b.increases during…

A: Coronary circulation is the circulation of blood in the blood vessels which supply blood to the…

Q: Blood normally flows into a capillary bed from:- a. a distributing artery b. a conducting artery. c.…

A: The cardiovascular system is responsible for the conduction of oxygen and nutrients from the heart…

Q: A circulatory pathway in which the blood flows through two capillary beds in series - before it…

A: The circulatory pathways direct proper flow of blood through heart, lungs, and various associated…

Q: The diameter of veins is typically larger than that of arteries,becausea. veins must carry blood at…

A: Open and Closed circulatory systems are the two types of circulatory systems in our body. This…

Q: While the semilunar valves are open during a normal cardiac cycle, thepressure in the left ventricle…

A: The human heart beats 72 times per minute. During each heart beat, the chambers of the heart…

Q: Arteries differ from veins in their thicker ____ and ____. a. squamous epithelium . . . outer layer…

A: The cardiovascular system is composed of three components: the heart, blood, and blood vessels.…

Q: Mark the following statements as true or false. If a statement is false, correct it to make a true…

A: The cardiovascular system transports gases, nutrients, hormones and cellular waste products…

Q: Which is a clotting pathway system? Group of answer choices   a.None b.Extrinsic system c. Both are…

A: Blood coagulation refers to the process of forming a clot to stop bleeding.  To stop bleeding, the…

Q: The Right internal carotid artery is a:     A. Visceral branch of the aorta     B. Parietal branch…

A: Brain is the major and central organ of the nervous system of our body. It plays crucial role in…

Q: Given these blood vessels:(1) axillary artery (4) radial artery(2) brachial artery (5) subclavian…

A: Aorta is the largest artery of the body and arises from the left ventricle of the heart. Along with…

Q: A pathologist is looking at a histological section of aorta stained to demonstrate the many wavy…

A: The question is asking to identify the location of a specific type of fiber that is found in the…

Q: Blood circulation is divided into two main categories, which include _____. A. systemic circulation…

A: The circulatory system is responsible for transporting blood throughout the body and it mainly…

Q: A good example of a superficial vein in the upper extremity is the:     A. Brachial     B.…

A: A superficial vein is one that is close to the skin's surface and may be seen with the naked eye.…

Q: For a given radius, r, which has the lowest resistance per unit length?   A. Four arteries with…

A: There are three fundamental components that specify the resistance to blood flow within a solitary…

Q: The greater the compliance the Select one: a. greater the resistance generated in the vessel. b.…

A: The question is asking about the relationship between the compliance of a blood vessel and various…

Q: the myocardium is thicker in .the.. than t a.Atrium,ventricle C b.Ventricle,atrium

A: A network of blood vessels are involved in circulating blood to all the parts of the body. The heart…

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: This is used to facilitate the insertion of drainage devices into a venous structure

A: Embalming is the process of preservation of dead remains and bodies.    It involves injection of…

Q: Amalumastat is a medication that causes the arteries to increase in diameter so more blood can flow…

A: There are mainly three types of blood vessels that are- arteries, veins and capillaries. The…

Q: Given these veins:(1) brachiocephalic (3) superior vena cava(2) internal jugular (4) venous…

A: The brain is a structure of the central nervous system and process and interprets sensory…