Arterioles are often referred to as resistance vessels.Why?

Q: What force is responsible for moving fluids out of capillaries at the arteriole end and moving…

A: Step 1 Capillaries are the blood vessels that are very narrow with a diameter of 5-8 µm. It develops…

Q: Blood vessel structure and functionThe two-way exchange of substances between blood and the body…

A: The essential part of circulatory system that helps in transportation of blood throughout the body…

Q: What is the function of elastic fibers and smooth muscle in the tunica media of arteries?

A: Vascular smooth muscle cells (VSMCs) are physiological and therefore the most various part of the…

Q: What is the structure of the arterioles?

A: Arterioles are primary resistant vessels and involved in the distribution of blood flow into…

Q: What is the purpose of the thick elastic smooth muscle in arteries?

A: Arteries are high-pressure blood vessels that transport oxygenated blood from the heart to the rest…

Q: Describe double circulation in human beings. Why is it necessary?

A: Blood circulation was first described by William Harvey in 1628. There are two types of blood…

Q: Explain why veins are the only blood vessels thatcontain valves.

A: Veins are the blood vessels that carry blood from tissues back to the heart. The veins carry…

Q: How do veins differ structurally and functionally from arteries?

A: Functionally Veins carry blood towards the heart and Artery carry blood away from the heart.

Q: reason why open system has a limitation of collecting only 10 mL of blood?

A: Blood sample collection is done by phlebotomy procedure.  It can be collected by 2 methods -  1.…

Q: Differentiate between elastic arteries , muscular arteries , and arterioles

A: The network of circulatory system consists of blood, blood vessels and the heart. This entire…

Q: Mention two structural differences between vein and capillary.

A: Heart carries arteries, veins and capillaries. The principle artery is called as aorta. The function…

Q: Why does blood pressure decrease from arteries to veins

A: The blood vessels are tubular carriers of blood in our body. They carry oxygenated blood from our…

Q: What areas of the body are supplied by the paired arteriesthat branch from the abdominal aorta? The…

A: The cardiovascular system consists majorly of the heart, blood vessels, and blood. It is responsible…

Q: How would “hardening of the arteries” (arteriosclerosis) affect blood pressure? Why?

A: Introduction: Atherosclerosis and arteriosclerosis are often used interchangeably. They both refer…

Q: The figure shows the structure of an artery and a vein. Explain how the structure of the artery is…

A: The arteries are muscular tubes carries the oxygenated blood from heart to all the tissues in body.…

Q: Explain why empty veins collapse while empty arteries do not.

A: The arteries are blood vessels carrying oxygen-rich blood to every region of the body. The veins are…

Q: Hypertension is when the pressure of the blood against the walls of the arteries is too high.…

A: Answer:  HYPERTENSION = This is the increase in the pressure of blood throughout the body blood…

Q: Explain why the structure of the veins is different from that of the arteries.

A: CRITERIA                                   ARTERY                           VEIN…

Q: During procedures on the carotid artery, one must be careful not to enter or injure the internal…

A: The main difference between the jugular vein and the carotid artery is that the jugular vein drains…

Q: Contrast the tunica media of a conducting artery, arteriole, and venule and explain how the…

A: Tunica media is the middle layer of an artery or a vein. It is composed of smooth muscle cells and…

Q: Plasma solutes enter the tissue fluid most neasily froma. continuous capillaries.b. fenestrated…

A: Answer is b.) fenestrated capillaries.

Q: Why is the velocity of blood flow faster in arteries and veins than in capillaries?

A: Rate or Velocity of blood flow varies inversely with the total cross sectional area of the blood…

Q: Explain the function of smooth muscle in the arterioles.

A: Arterioles are small arteries that branch out from an artery and lead into the capillaries. They are…

Q: Explain why the narrow diameter of capillaries is critical to their function.

A: Ans: Capillaries: The small or tiny blood containing structures that joins the arterioles to venules…

Q: Explain why a high elastic content is required in the wallof the aorta.

A: Aorta is the most important and largest artery of the body. It originates from the left ventricle…

Q: When looking at anatomical and physiological features of different types of blood vessels what are…

A: List of similarities and differences between the blood vessels.

Q: Name the blood that flows through arteries.

A: Introduction: Blood is vital for the survival of living beings. There are blood vessels to transport…

Q: True or false the veins carry blood from the heart to the rest of the body?

A:

Q: Explain why water and dissolved substances leave the arteriolar end of a capillary and enter the…

A: The blood vessels are part of the circulatory system. It forms a closed circuit of tubes that carry…

Q: Name the blood that flows through veins.

A: There are three types of blood vessels which carry the blood, namely, artery, vein and capillary.…

Q: How is the structure of an arteriole different from that of an artery?

A: The heart is a muscular organ the size of a fist that is found just behind and just to the left of…

Q: List the types of arteries. Compare the amount of elasticfibers and smooth muscle in each type of…

A: Arteries can be defined as the type of blood vessel which transports the oxygenated blood throughout…

Q: A patient has had a serious accident and lost a lot of blood.  In an attempt to replenish body…

A: The blood contain different types of blood cells including- white blood cells (WBC), red blood cells…

Q: Sketch the flow pattern of blood through some blood vessels.

A: This is the flow of blood through different blood vessels, 1) Oxygen-poor blood travels through the…

Q: Which are the two large veins in the human body?

A: Veins are the type of blood vessels that carries blood towards the heart. Except for the pulmonary…

Q: Which of the following is TRUE of veins?

A: Veins are thin-walled structures inside which a set of valves keeps blood in the body flowing in one…

Q: H.w: difference between artery and vein

A: Arteries and Veins are two different types of blood vessels in the circulatory system and are mainly…

Q: How do you distinguish the venule from the arteriole in relation to histological structures of the…

A: The circulation of blood all over the body is done with help of blood vessels. Arterioles and…

Q: What types of blood vessels

A: The Cardiovascular system of the Body is concerned with the function of transport. It is consists of…

Q: why double circulation is necessary in human beings?

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the…

Q: Describe the functions of arteries.

A: The heart:It is blood pumping organ. It consists of four chambers: two upper chambers or atria and…

Q: A blood vessel with a few smooth muscle fibers and connective tissue, and only a very thin tunica…

A: Blood vessels help in circulating the blood throughout the body. Arteries carry blood away from the…

Q: What is the difference between arteries & veins?

A: Heart is the muscular organ, whose chief function is to pump and circulate oxygenated blood that…

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…

Clinical Pharmacology

Pharmacology is a discipline of medicine that studies how medications interact with the systems and processes of living organisms, focusing on drug action mechanisms as well as therapeutic and other purposes.