After passing through the inferior vena cava blood passes through the A coronary sinus B posterior interventricular artery C anterior interventricular artery D right atrium E left atrium

Q: How is blood prevented from backflowing from the pulmonary trunk into the right ventricle? a.…

A: As the heart pumps blood, a definite series of valves open and close tightly. These valves ensure…

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 vein that drains the dural sinuses of the brain is the (a) cephalic vein. (b) great saphenous…

A: The cells are the primary unit of life. The cells form the tissues which collectively form an organ.…

Q: The trabeculae carneae are located in the __________.   A epicardium   B ventricles   C atrium…

A: Step 1 The trabeculae carneae or columnae carneae are either rounded or irregular muscular columns…

Q: The obturator vein drains deoxygenated blood from the hip joint and medial thigh into the    (A)…

A: Introduction :- The main function of veins is to collect deoxygenated blood from the different body…

Q: All of the following are part of the cardiac conduction system except the: a. chordae tendineae b.…

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: Systole refers to the contraction of thea. major arteries. d. major veins.b. SA node. e. All of…

A: The two periods of the cardiac cycle that is diastole and systole. They will occur as the…

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: All arteries in the body contain oxygen-rich blood, with theexception of thea. aorta. c. renal…

A: Answer is b.)  pulmonary arteries.

Q: Which of the following statements is true?a. The left and right common carotid arteries bothbranch…

A: Arteries and veins are the two essential components of the circulatory system. Arteries carry…

Q: The ____________ follows the coronary sulcus around the heart and supplies blood to the left atrium…

A: The cardiovascular system is also known as the circulatory system that allows the blood flow…

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: In a person at rest, the largest volume of blood is in______. a. arteries c. veins b. capillaries d.…

A: The blood is circulated throughout the body parts by the circulatory system whose main parts include…

Q: To get from the right atrium to the right ventricle, blood flows througha. the pulmonary valve.b.…

A: To get from the right atrium to the right ventricle, blood flows through the right AV valve or…

Q: a. Ventricular diastole b. Throughout the cardiac cycle c. Between cardiac cycles  d. Ventricular…

A: Heart It is the main component of the circulatory system. It pumps the blood to various parts of the…

Q: (iii) A muscular wall is absent in : A. Capillary B. Venule C. Arteriole D. Vein

A: The correct option is A. Capillary

Q: Most blood flowing in all of the following arteries except the _____ is destined to circulate…

A: The fluids that are produced in the body and either circulated within the body or secreted out are…

Q: The two arteries formed by the division of the brachioce- phalic trunk are the (a) aorta and…

A: The circulatory framework, additionally called the cardiovascular framework or the vascular…

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 vein through which blood reaches the heart from the abdominopelvic viscera is the (a) superior…

A: The vein through which blood reaches the heart from the abdominopelvic viscera is the:

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: Cardiac output can decrease by .. a. Increasing pressure in veins. b. Drugs with positive inotropic…

A: Introduction:- Cardiac output is defined as the blood ejected from the heart per minute. Cardiac…

Q: corresponds to: A. Right ventricle B. Left Atrium  C. Right Atrium D. Left ventricle

A: Left atrium is the upper right chamber of heart .

Q: نقطة واحدة Veins .1 a.Carry blood away from the heart. O b.Connect the smallest arteries to the…

A: * veins are the blood vessels which carry blood toward heart. *They carry deoxygenated blood to…

Q: ____ carry blood away from the heart and ____ carry blood toward the heart. a. Veins . . . arteries…

A: Step 1 Blood vessels are tubes carrying blood, associated oxygen, nutrients, water, as well as…

Q: Arteries of the pulmonary circuit differ from those of the systemic circuit in that they carry, (a)…

A: The heart is the pumping organ that is responsible for circulating the blood to different parts of…

Q: The unpaired arteries supplying blood to the visceral organs include the (a) adrenal, renal, and…

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

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: Anytime there is a sustained change in blood pressure (longer than 2-5 minutes) ______ is…

A: Carotid sinus consist of various baroreceptors  Carotid sinus baroreceptors are innervated by sinus…

Q: In coronary bypass surgery, the internal thoracic artery can be used as the bypass vessel by…

A: Coronary bypass surgery creates a new route around blocks and narrow coronary arteries that allow…

Q: blood flow in the left coronary artery is less during systole than diastole

A:

Q: Blood passes from the external illiac artery into the ______.   A internal illiac artery   B…

A: According to the human anatomy, there are three iliac arteries which are situated in the region of…

Q: Type of blood vessels taking impure blood from the head part to the heart are calle O a. Coronary…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The heart’s internal pacemaker beats by: a. an internal implant that sends an electrical impulse…

A: The heart is a muscular organ in numerous animals, which siphons blood through the veins of the…

Q: (a) (b) The part of the illustration in the middle (b) shows O Pressure at which you would hear the…

A: This illustration shows the process of measuring arterial blood pressure using sphygmomanometer and…

Q: The "pump" or "pressure-head" for the pulmonary circulation is the: A. right atrium B. right…

A:

Q: Match each vein in column A with the vein it drains into from column B.   Column B1. popliteal2.…

A: BASIC INFORMATION  BLOOD VESSELS   In our body there are network of channels which help in the…

Q: The heart's pacemaker is the O a. atrioventricular node O b. bicuspid node O c. sinoatrial node O d.…

A: A cardiac pacemaker is a medical device that sends electrical impulses to the heart muscle chambers…

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: 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…