Slight vasodilation in an arteriole prompts a ________.a. slight increase in resistanceb. huge increase in resistancec. slight decrease in resistanced. huge decrease in resistance

Q: Vasodilation of blood vessels to the kidneys is due to________.a. more frequent action potentialsb.…

A: Kidney is an important organ of the body. It filters blood, removes waste, maintain body’s fluid…

Q: Contraction of the smooth muscle layers of the arterioles a. increases the frictional resistance…

A: The different types of blood vessels in the human body are arteries, arterioles, capillaries,…

Q: Hydrostatic pressure is ________.a. greater than colloid osmotic pressure at thevenous end of the…

A: Hydrostatic pressure refers to the pressure, which is imparted by a fluid at equilibrium at a…

Q: The return venous blood is aided by all of the factors except? ________.     A. pressure changes…

A: Venous return is defined as the rate at which blood is returned to heart.At steady state venous…

Q: A healthy elastic artery ________.a. is compliantb. reduces blood flowc. is a resistance arteryd.…

A: Blood vessel forms the part of circulatory system through which the blood flows in the body.…

Q: In which of these blood vessels are elastic fibers present in the largestamounts?a. large arteries…

A: Elastic fibres can be defined as the yellow fibre comprises of elastin protein. These fibres occur…

Q: Which of these is a vasoconstrictor? a. nitric oxide b. natriuretic hormone c. bradykinin d.…

A: Vasoconstriction is defined as the contraction or narrowing of the blood vessels usually large…

Q: Prothrombin is converted to thrombin during the ________.a. intrinsic pathwayb. extrinsic pathwayc.…

A: The process initiated by an injured blood vessel to decrease the rate of blood flow and trigger the…

Q: In veins the ______ than in capillaries.   A blood pressure is higher and flow velocity is slower…

A: The Blood vessels are the part of our vascular system that is responsible for transporting blood and…

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: Which of the following decreases perfusion of a tissue? a. decreased total blood flow b. vasodilator…

A: Perfusion is the path of sap through in the circulatory system or lymphatic system to an organ or a…

Q: Standing for a prolonged period of time can cause ... a. Decline in venous return  b. A drop in…

A: Venous return is the flow of blood from peripheral regions to back to right atrium . Factors which…

Q: During diastole the blood pressure in the left ventricle is _______.   A lower than the pressure in…

A: The heart is a highly muscularized, involuntary organ of the body. It has four chambers consisting…

Q: The osmotic pressure of blood (that is, the plasma proteins) in the capillary forces fluid _____ the…

A: Blood capillaries are small blood vessels that branch out from arterioles. They form networks around…

Q: A form of circulatory shock common in young children with severe diarrhea or vomiting is ________.a.…

A: Circulatory shock is a medical condition that can be fatal and occur because of decreased oxygen…

Q: Give correct answer Slight vasodilation in an arteriole prompts a ________. a. slight increase in…

A: This procedure enhances the blood flow due to the relaxation of the smooth muscle cells that further…

Q: The force the heart must overcome to pump blood isknown as ________.a. preloadb. afterloadc. cardiac…

A: With each heartbeat, the pump on the right side gets the blood from the body and pumps it into the…

Q: which of the following will increase the total peripheral resistance

A: The degree of resistance to blood flow present in the body's vascular system is known as total…

Q: The vessel layer that has a direct role in vasoconstriction is the __________.   A tunica intima…

A: The contraction or narrowing of the blood vessels that is done by the walls of the small muscles is…

Q: Repolarization of the ventricles typically _______.   A begins at the end of the T-wave and…

A: Electrocardiograms also called ECGs or EKGs is a simple diagnostic machine that checks the…

Q: The production of healthy erythrocytes depends upon the availability of ________.a. copperb. zincc.…

A: Erythrocytes are produced in the bone marrow by a process called erythropoiesis. This is controlled…

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…