activity causes vasodila

Q: Autorhythmic cells are located only in the interventricular septum. True or False

A: The cardiac muscle fibers are interconnected with the help of intercalated discs and so the…

Q: Measure systolic and diastolic blood pressure at rest and after exercise

A: KEY WORDS:- Blood pressure - Blood pressure (BP) is the exerted pressure in the arteries . Pressure…

Q: Does conducting arteries possesses more elastic fiber in tunica externa? yes or no

A: A blood channel that carries blood away from the heart is known as an artery. The thick walls of all…

Q: State whether pulse pressure and MAP increased or decreased after exercise

A: We know that Blood pressure can be defined as the pressure that occurs because of the circulation of…

Q: If ESV is 50ml and EDV is 130ml, what is the volume of VR (venous return)?   130ml 50ml 180ml 80ml

A: Venous return is the flow of blood back to the heart. Under controlled conditions, the venous return…

Q: Athletes have thicker heart walls than non-athletes. Which layer of the heartenlarges? Explain.

A: The human circulatory system is one of the major eleven organ systems in the human body and is…

Q: Define venous sinus

A: Sinuses are a connected network of hollow cavities present in the skull.

Q: Be able to calculate / describe cardiac output

A: The term “cardiac” refers to “relating to or situated near the heart”. The heart is one of the…

Q: Maximum aortic pressure during the cardiac cycle is called pressure

A: The human heart is a muscular organ which pushes blood into the circulatory system's arteries and…

Q: Why blood pressure rises with age

A: A group of diseases associated with the body’s metabolism and develop life-threatening illnesses,…

Q: Why less pressure is lost overcoming resistance between the arteries and the capillaries?

A: The oxygenated blood pumped by the left ventricle have a certain amount of pressure in it which…

Q: The capillaries of skeletal muscles are of the structural type called _____

A: Muscles are required in breathing, talking, running, walking, and anybody movement. Actin and…

Q: Explains the significance of long refactory period in cardiac muscle and the importance of…

A: Cardiac muscles are one of the three important muscle tissues present in the body. These muscles are…

Q: Interpret ventricular fibrillation from ECG with graph

A: In ventricular fibrillation, the ventricles attempt to contract at rates up to 500 beats per minute.…

Q: Describe the structural and functional properties of cardiac muscle, and explain how it differs from…

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

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: 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: Define vasa vasorum

A: Blood vessels are the channels or conduits through that blood is distributed to body tissues. The…

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: Define cardiac part

A: The stomach is an organ that functions in the gastrointestinal tract and lies in the body's…

Q: how two different heart muscle diseases (dilated cardiomyopathy and hypertrophic cardiomyopathy) can…

A:

Q: Draw a ventricular muscle cell action potential.

A: The heart is a four chambered structure that is responsible for pumping the blood into the arteries…

Q: Explain the effect on blood flow of mitral valveincompetence.

A: The heart is a muscular organ that pumps blood to the body and is considered the most important…

Q: Describe the properties of the cardiac muscle, including automaticity, excitability, conductivity,…

A: Cardiac muscle or heart muscle is also known as myocardium. It is one of the three kinds of…

Q: Explain why Purkinje fibers conduct action potentials morerapidly than other cardiac muscle cells

A: Purkinje fibers are components of the heart's advanced conduction system, which guarantees that an…

Q: Which organs or tissues get an abundant amount of blood flow while exercise is happening. Kidneys,…

A: The body cells require oxygen to generate energy which is then used to carry out different…

Q: Describe the arrangement of cardiac muscle fibers.

A: BASIC INFORMATION MUSCLE It is a type of soft tissue which are found in most of the animals. The…

Q: What would be the drawback of cardiac contractions being the same duration as skeletal muscle…

A: Introduction: The cardiac muscles are responsible for pumping blood into the blood vessels through…

Q: Algorithm Management of Left Ventricular Hypertrophy

A: There are many causes for left ventricle hypertrophy. First identifying the cause and treating the…

Q: Why arterial flow is pulsatile but capillaryand venous flow are not

A: Arteries are blood vessels that carry oxygenated blood; veins are blood vessels that carry…

Q: Mrs B had a heart transplant and as a result, she no longer has nerve supply to her heart. Keeping…

A: The heart transplant, or a cardiac transplant, is a careful transfer system performed on patients…

Q: Effects of posture on venous pressure

A: The position in which someone holds their body when standing or sitting is defined as the posture.…

Q: Describe the structure of intercalated discs in cardiac musclecells, and briefly discuss their…

A: Cardiac muscle tissues are tissues of the heart and help to provide strength and flexibility from…

Q: Vasodilation is a widening of the lumen of a blood vessel due to smooth muscle relaxation. True…

A: Vasodilation can be caused due to the following reasons: Low oxygen levels in the body Increase in…

Q: Blood flow within the capillaries is slower than within arterial or venousvessels. Explain why this…

A: The cardiovascular system provides blood supply throughout the body. The cardiovascular system…

Q: Describe the histology of the cardiac muscle and how it differs from the skeletal muscle

A: The muscular system is a system of muscles where muscles are connected to bones and also to envelope…