A circulatory pathway in which the blood flows through two capillary beds in series - before it returns to the heart is called a. an arteriovenous anastomosis. b. an arterial anastomosis. c. a venous anastomosis. d. a venous return pathway. e. a portal system

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: Which of the following sequences is truly a systemic circulation pathway? A Right ventricle →…

A: The cardiovascular system is also called a vascular system. The cardiovascular system consists of…

Q: Which one of the following is a matching pair?  A Pulsation of the radial artery - values in…

A: Heart is the muscular organ in most animals that is involved in pumping blood through blood vessels.…

Q: The circulatory route from aorta to the venae cavae is the __________ circuit.

A: The heart is the most important organ for the body and made up of several different types of tissues…

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 valves which allow blood to flow from the ventricles into the arteries and not in the opposite…

A: The valves are the muscular flap like structures that are present between the two chambers of the…

Q: The endocardium of the heart is composed of THREE layers. Describe their structure and also explain…

A: The main organ of the circulatory system is the heart. It has four-chamber that is responsible for…

Q: Endocarditis is an inflammation of which portion of the heart? a. pericardium b. endocardium c.…

A: Heart is an organ that pumps blood and is originated from mesodermal tissue. Heart is exclusively…

Q: Which of the following conditions might result in the back flow of blood through a weakened mitral…

A: a. High pressure in the left ventricle, low pressure in the left atrium

Q: Physicians recommend that air travelers drink plenty of fluids and periodically get up and walk…

A: Veins are blood vessels that are responsible for transport of deoxygenated blood to the heart. Blood…

Q: If the left ventricle failed to pump blood effectively, blood would back up in the _____."   A left…

A: HEART FAILURE (HF) -The most common type of HF is left-sided HF. The left side of the heart must…

Q: Which statement accurately explains why arterial walls are thicker than the walls of veins?   A.…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: Pathway of blood through the Human Circulatory System Trace the pathway of blood through the…

A: The heart is the muscular structure that pumps oxygenated blood to all parts of the body via a…

Q: The cardiac conduction system includes all of the following except:- a. the SA node. b. the AV node.…

A: Cardiac conduction system is made up of various muscles which send signals to the cardiac muscles…

Q: When it comes to arteries and veins, do veins have? a) a tunica media that is missing in arteries…

A: Since you have posted a question with multiple sub-parts, we will solve the foremost three for you.…

Q: A blood vessel adapted to withstand a highpulse pressure would be expected to havea. an elastic…

A: The various types of blood vessels include: arteries, veins, arterioles, venules and capillaries.…

Q: Which of the following statements is false?a. Only arteries carry oxygenated blood.b. Both arteries…

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

Q: During which of the following periods are the large elastic arteries distributing blood to smaller…

A: The cardiac cycle is referred to as one heartbeat that consists of one cycle of contraction and…

Q: Which vessel would blood in the right coronary artery pass through next?   A anterior…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: The function of structure X is to Select one: a. act as the pacemaker of the heart. b. initiate the…

A: Heart is located in the chest cavity and derived from mesodermal tissue. Heart is surrounded and…

Q: The T wave represents: a. Depolarization of the ventricles b. Repolarization of the atria c.…

A: ECG (Electrocardiogram) can be outlined as the graph which represents the electrical activity of the…

Q: Individuals with Marfan Syndrome can have a weakened aorta and be at risk for an aortic aneurysm or…

A: Marfan syndrome is genetic condition in which there is a defect in gene, which produces protein,…

Q: A major advantage of a double circulation is thata. blood can be pumped to the upper portions of the…

A: The body organs work systematically to regulate the proper body functioning. The different organ…

Q: Explain what an ECG trace can tell us about what is happening in the heart.

A: ECG stands for electrocardiogram. It is used to record the electrical activity of the heart.

Q: A blood vessel adapted to withstand great fluctuations in blood pressure would be expected to have:-…

A: Blood vessels refer to the network of arteries, veins, capillaries that helps in the circulation of…

Q: Blood flows directly from the left atrium to_____ . a. the aorta c. the right atrium b. the left…

A: The heart has four chambers in human beings. They are the two upper atria and two lower ventricles.…

Q: Hearts of mammals are described to have double pump structure. Which choice explains the functional…

A: There are four chambers in the heart of mammals- two auricles and two ventricles.

Q: The lining of the heart chambers is called the __________.   A endocardium   B myocardium   C…

A: The heart is the muscular organ that pumps blood throughout the body. It is made of cardiac muscle.…

Q: Blood flows through the vessels references in the above image during:

A: Heart  It is the main blood pumping organ of the body as it is formed of Cardiac muscles. There are…

Q: he inferior vena cava brings blood from the lower regions of the body and empties into the…

A: the inferior vena cava is the largest vein and it carries deoxygenated blood from the lower body…

Q: The flow of blood from the left ventricle to the right atrium is called the __________.   A…

A: The organ that is responsible for mediating the function of pumping blood via the vessels of blood…

Q: How would the left ventricle of a patient who had had high blood pressure for many years differ from…

A: Answer: Introduction: Left ventricular hypertrophy is expansion and thickening means hypertrophy of…

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

A:

Q: Myocardial infarction, or a heart attack, results if there is a lack of oxygen and nutrients brought…

A: Myocardial infarction It is commonly referred to as the heart attack , is the sudden death of   part…

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: Which of the following vessels has the largest lumen and a thin tunica media?   A Veins   B…

A: Step 1 Blood in the body is carried by different vessels called blood vessels. There are three…

Q: Which statement about atrial contraction is true.   A the end diastolic volume is the volume of…

A: Atrium is the upper chamber through which entry of blood occurs in ventricles of heart.There are two…

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

A:

Q: Scenario: A patient arrives at the clinic complaining of an increased heart rate and is feeling some…

A: Depolarization means contraction of cardiac musculature and repolarization means resting state…

Q: If you consider the anterior interventricular artery if a thrombus forms in the artery, which area…

A: The heart refers to the organ that pumps blood all over the body tissue. The circulatory system…

Q: Venous blood draining from the heart wall enters the right atrium through the a. coronary sinus. b.…

A: The heart is a muscular organ in most animals that pumps blood via the blood vessels of the…

Q: A membrane called the _____ covers the heart. A membrane superficial to this membrane is the _____.…

A: The pericardium is the thin sac-like covering of the heart. It lubricates the heart and is required…

Q: Which of the events below does not occur when the semilunar valves are open?   A Ventricles are in…

A: The heart valves regulate the blood flow into and out of the heart. The normal human heart contains…

Q: The presence of __________ stabilizes the wall of arterioles and capillaries.   A gap junctions   B…

A: An arteriole is a very small blood vessel as it has a very small diameter. These arterioles are…