Compared with the interstitial fluid that bathes active musclecells, blood reaching these cells in arterioles has a(A) higher PO2.(B) higher PCO2.(C) greater bicarbonate concentration.(D) lower pH.

Q: Following a large increase in sympathetic output from the vasomotor center, what tissues will get…

A: The sympathetic nervous system consists of the vasomotor center which is a part of the medulla…

Q: In what ways are autorhythmic fibers similar to and diff erent from contractile fibers?

A: Heart is a four chambered cardiovascular organ pumping blood throughout the body. The auricles and…

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: 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: List the structures through which blood passes from the systemicveins to the systemic arteries?

A: The heart is at the centre between the two lungs and above the diaphragm. The narrow end of the…

Q: Name four hormones that cause vasodilation or vasoconstriction ofarterioles, and specify their…

A: The human body is made up of different organs and organ systems. There are 11 different organ…

Q: Explain the HMP shunt pathway and its significance

A: The HMP pathway is a metabolic pathway same as glycolysis. It is used for the generation of 5 carbon…

Q: Describe the role of the skeletal muscle pump in decreasing capillary filtration.

A: The Muscle is a soft tissue that is responsible for producing force and motion facilitated by 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: Name the three tunics of a typical blood vessel, and explain how they differ from each other?

A: Blood vessels are essential part of circulatory system that help to transfer the blood from one…

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: Approximately how much fluid do the lymphatics return to the blood each day?

A: The lymphatic system is also called as lymphoid system which is a network of organs and tissues…

Q: What factors enhance venous return during exercise?

A: Venous return refers to the flow of blood from the periphery to the right atrium of the heart…

Q: Describe the functional significance of the skeletal muscle pump and illustrate the action ofvenous…

A: Blood is a type of connective tissue that helps in circulating oxygen and nutrient throughout the…

Q: How do hydrostatic and osmotic pressures determine fluid movement across the walls of capillaries?

A: Capillaries exchange is the exchange of material from the blood into the tissues in the capillaries.…

Q: Name two functions of arterioles.

A: In microcirculation, a small-diameter blood vessel that extends and branches out from an artery and…

Q: What is a a bulge in the arterial wall called?

A: Ans. A bulging, weak region in the blood vessel wall is called an aneurysm. It can occur in any…

Q: Through which structures do the blood flow?

A: The circulatory system of the human body circulates the blood across the body. Blood is fluid…

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: List the major factors affecting arteriolar radius?

A: Major factors affecting Arteriolar radius are : Cardiac output. Compliance. Volume of blood.…

Q: How can control of sympathetic nerves to arterioles achieve vasodilation?

A: Central nervous system (CNS), and the peripheral nervous system (PNS) are two main parts of the…

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

A: Nursing is the profession of healthcare that delivers care to the patient in order to cure them and…

Q: A. What pushes water out of the capillaries near the arteriole? B. What draws water back in near…

A: The circulatory system is made of the following systems that work together; the cardiovascular,…

Q: What are the Effects of sympathetic nerves and plasma epinephrine on the arterioles in skeletal…

A: Central nervous system (CNS), and the peripheral nervous system (PNS) are two main parts of the…

Q: What happens to systemic blood pressure when the smooth muscle of muscular atries contract?

A: Blood vessels : Blood capillaries are artery ,vein , capillaries are made by three layers - Tunica…

Q: Which determinant of resistance is varied physiologically to alterblood flow?

A: To answer this question we should have knowledge of Physiology.

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

A: Answer is b.) fenestrated capillaries.

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: What is colloid osmotic pressure? In which direction does colloid osmotic pressure drive the…

A: The Colloid osmotic pressure given by large molecules occurs within the vascular space serves to…

Q: What happens to (systemic) blood pressure when the smooth muscles in the muscular arteries become…

A: Disclaimer: Since two questions have been posted, we have offered the solution for the first one. If…

Q: How does fibrin help initiate the fibrinolytic system?

A: Breakdown of fibrin clots by the activity of plasminogen leads to dissolving of blood clots.

Q: What is the functional significance of the blood capillary network and lacteal in the center of each…

A: Digestion and absorption of ingested food takes place mainly in the small intestine. Effective…

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: which has larger lumen (opening for blood flow):an artery, or a vein?

A: There are three blood vessels in our body. Arteries- They carry oxygenated blood away from the body.…

Q: What is the differencebetween arterial and venousblood?

A: Blood is a body fluid that transports necessary substances, nutrients, hormones, and oxygen to the…

Q: How does the blood in the pulmocutaneous arch differ from that in the higher two aortic arches?

A: The circulatory system of amphibians includes pulmocutaneous circulation. It is in charge of…

Q: Arterioles are often referred to as resistance vessels.Why?

A: Blood vessels form the main component of the circulatory system that supplies blood to all the parts…

Q: Give two reasons why the Purkinje fibres are faintly stained compared with ordinary cardiomyocytes

A: Purkinje fibres are excitable cells or fibres present in the inner ventricle wall of heart. They are…

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: 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: Contrast diffusion and bulk flow. Which mechanism is more important in the exchange of nutrients,…

A: *The primary difference between the diffusion process and bulk flow is due to the concentration…

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: Name the property of WBCs to squeeze through the walls of capillaries.

A: White platelets (WBCs), additionally called leukocytes or leucocytes, are the cells of the…