Which vessels contribute most to altered systemic blood pressure when their smooth muscles contract or dilate,large muscular arteries,small muscular arteries,or arterioles

Q: how five variables change over time when blood volume decreases

A: The cardiovascular system consists of the heart and the blood vessels. The heart is the pumping…

Q: Name any one important component of the blood which remains inside the capillaries and fails to move…

A: Blood is a type of dense irregular connective tissue and is a specialized body fluid. It has four…

Q: which arrhythma refers to rapid, random, inefficient, and irregular contrations of the atria and…

A: Arrhythma is defined as the speed of heart beat which may be slow and fast . Bradycardia = slow…

Q: Which of the following statements is WRONG about Veins

A: correct answer a. They Vasoconstrict on sudden standing up    Reason: because this is mainly occurs…

Q: What is section of three main blood vessels in human

A: INTRODUCTION Arteries, capillaries and veins are the three types of blood vessels.

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: Part A - Why do arteries have many more elastic fibers than veins? O They have less pressure during…

A: Why do arteries have many more elastic fibers than veins:

Q: Carotid and aortic bodies are called _____because they respond to changes in blood chemistry

A: These are the peripheral chemoreceptors.

Q: Which blood pressure regulatory system CANNOT be controlled with drugs? Secondary Basal Essential

A: Blood pressure- The force of our blood against the walls of our arteries is known as blood…

Q: The finest passages through which electrical signals pass before reaching the ventricular…

A: Introduction: The muscle of heart is composed of small cells through which electrical signals are…

Q: Anatomy : summary of the Arteries of systemic circulation: topography of the aorta, branches of the…

A: Blood circulates throughout the body through blood vessels. There are two types of circulation:…

Q: The mathematical relationship between peripheral resistance and vessel radius; why this is related…

A: Blood is a non-Newtonian fluid, thus it is better analyzed using rheology rather than hydrodynamics.…

Q: relation between electrocardiogram and arrhythmia

A: The rate of heartbeat and the problem associated is an arrhythmia. The heartbeat may be too fast or…

Q: The elastic properties of the arteries are essential for blood flow. Explain the importance of this…

A: Arteries and the blood are the components of the circulatory system of an organism. Circulatory…

Q: The closure of a precapillary sphincter prevents blood flow to tissues from: elastic arteries. O…

A: Introduction :- The blood vessels that transport oxygen-rich blood from the heart to the body's…

Q: The condition which happens when veins stretch so much that their valves can no longer hold blood in…

A: Answer is option d.

Q: The cardiac cycle consists of a distinct relaxation andcontraction phase. Which term is typically…

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: A patient who has normal blood pressure (systolic and diastolic) also hashardening of the arteries,…

A: The hardening of the arteries is a disorder known as Arteriosclerosis . It occurs when the blood…

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: Clusters of neurons in the medulla oblongata thatregulate blood pressure are known collectively…

A: The baroreceptors also called specialized stretch receptors are present within heart thin areas and…

Q: Given these blood vessels:(1) inferior mesenteric vein (3) hepatic portal vein(2) superior…

A: Inferior mesenteric vein drains blood from the large intestine. Superior mesenteric vein drains…

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: Why physical inactivity can lead to venous

A: Lack of physical excercise can cause various complicaation in the bodys such risk of heart disease…

Q: importance of smooth muscle cells present in all arteries

A: Introduction: There are three types of muscles: skeletal, smooth, and cardiac muscles. The skeletal…

Q: Structures in order as it relates to the pathway of blood flow through the heart/body after is…

A: The oxygenated blood from the lungs are sent to the heart via Pulmonary Vein which drains the whole…

Q: Each common carotid artery bifurcation into two sections. Provide the names of the two branches and…

A: The artery refers to the blood vessel that provides oxygen-rich blood from the heart to the body…

Q: An especially leaky type of capillary found in the liverand certain other tissues is called a…

A: Blood vessels are flexible tubular canals by which blood circulates in the body. The blood vessels…

Q: During what stage or stages is blood being pumped from the atria into the ventricles

A: The cardiac cycle completes in four different stages: They are filling phase, isovolumetric…

Q: different in composition between the blood entering and blood leaving the following organs; 1.lungs…

A: The blood that enters the lungs is referred to as deoxygenated blood. This blood comprises carbon…

Q: The main artery whose cross-sectional area is (1 cm) branches into 5 smaller arteries. Each of these…

A: The blood flow rate( Q )  through the vessel is related to the radius or the cross section of the…

Q: Why physical inactivity can lead to venouspooling; consequences of venous pooling

A: The blood is the primary transport medium of the body. It is transported through several vessels…

Q: the hypophyseal portal system, consisting of.. ..*** O A. The hypophyseal portal veins OB. The…

A: The hypophyseal portal system is a network of blood capillaries that connects the hypothalamus with…

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…

Q: The electrocardiogram (EKG) is a tracing of the electrical events in the myocardium cardiac output…

A: Electrocardiogram is a very popular technique, used in medical biology, to determine the problems…

Q: If a blood veseel is red, then it is artery and it carries oxygen rich blood. TRUE or false

A: the blood vessels which are red in color carries oxygenated blood and the vessels which are blue in…

Q: explain hematopoiesis with regards to all 5 erythrocytes, and the thrombocytes

A: The production of all of the cellular components of blood and blood plasma is called hematopoiesis.…

Q: Clinical reasoning Scenario: A 56 year-old man is admitted to the cardiac unit and has been…

A: Abdominal aortic aneurism is the enlarged area in the abdominal aorta that is the lower part of the…

Q: the table to compare arteries and veins by explaining the differences between them, including both…

A: Human anatomy is the study of the human body's bones, joints, muscles, and systems. The brain…

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: ical procedure called a bypass graft, a vessel is bypasses one of that patient's blocked arteries. A…

A: 10] Saphenous vein grafting is a technique used for bypass surgery. It is a easy method to handle…

Q: of the lungs and perfusion is greatest at the of the lungs. Blood flow is greatest at the (А) ареx;…

A: Blood flow is greatest at the base of the lungs and perfusion is greatest at the base of the lungs.…

Q: . A series of simple, well-labelled, schematic diagrams to illustrate the chambers of the heart and…

A: CHAMBERS OF HEART..

Q: a. Differences between: ii. Typical and atypical ova of Capillaria philippinensis

A: Nematodes are the organism belongs to animal kingdom . They are round worms which comprises 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: Which tunic is most observable in the wall of an arteriole

A: Step 1 Blood vessels are tubes that carry blood, associated oxygen, nutrients, water, and hormones…

Q: This muscular blood vessel regulates blood pressure an blood flow to the capillaries. O Arteriole O…

A: Answer is arteriole