Calcium channel blockers, a type of anti-hypertensive drug, block the entry of calcium into smooth muscle which causes smooth muscle to relax. Explain how this decreases blood pressure. Explain why cutting an arterial vessel will cause a greater loss of blood over the same amount of time than cutting a venous vessel.

Q: Blood flow to the skeletal muscles increases with exercise. Explain how the autonomic nervous system…

A: The functioning of every tissue requires energy which is provided by the generating metabolic energy…

Q: Explain the role of carnitine in the energy supply of the myocardium

A: Carnitine plays an important in heart's metabolism. It's responsible for transporting fatty acids,…

Q: Explain why the differences in the amount of elastic fibers and smooth muscle fibers in the tunica…

A: The arteries are the blood vessels that carry oxygenated blood from the heart to all the parts of…

Q: Blood entering systemic capillaries has the same oxygen and carbon dioxide concentration as the…

A: The respiratory system and circulatory system are responsible for gaseous exchange (oxygen and…

Q: Unlike skeletal and smooth muscle tissue, cardiac muscle is “self-excitable”. Explain how this…

A: There are three major types of muscles. They are skeletal muscles, smooth muscles, and cardiac…

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: The circulatory system, especially the heart, suffers damage if the shock is prolonged? Give reasons…

A: The circulatory system includes the most important organ of the human body,i.e. heart. It consists…

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: 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: Describe the process that controls blood loss after an injury

A: After an injury, our body acts naturally and seals the ruptured blood vessel. This prevents the…

Q: As blood vessels increase in diameter, the amount of smooth muscle decreases and the amount of…

A: Blood vessels are the components of the circulatory system. They transport blood, nutrients, and…

Q: Using the new cardiovascular drug Entresto, relate how the Cardiac action potential arriving at the…

A: Entresto is a brand-name prescription drug for treating specific forms of heart failure. Heart…

Q: A decrease in the effective circulating blood volume occurs in the circulatory system when moving…

A: The cardiovascular system is an organ system which distributes blood to all the parts of the body…

Q: Explain 3 physical characteristics used to identify Cardiac muscle tissue.

A: Muscle tissues are highly vascularized and is responsible for most of the types of movement. There…

Q: Nitroglycerin is a drug that is commonly used to treat angina pectoris. It is thought to be…

A: Nitroglycerine is a vasodilator drug. This is mainly used to treat the angina pectoris ( to relieve…

Q: Explain the following terms: Preload, contractility, afterload

A: In human physiology, cardiac output refers to the total amount of blood pumped by the human heart…

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

A:

Q: Discuss in details the unique structure  of  a  cardiac muscle  fiber

A: The heart is a smooth muscle organ that pumps blood throughout the body. Oxygenated blood collected…

Q: Contrast the function of capillaries in the skin with thefunction of capillaries in muscle tissue.

A: The capillaries that are located in the skin are responsible for thermoregulation. They control how…

Q: Blood pressure is a measure of the pressure placed upon the walls of the arteries. There are two…

A: The blood pressure usually refers to the pressure in the large arteries of the systemic circulation.…

Q: A 68 year old man taking medication for hypertension complains to his physician that it has made him…

A: Impotence:-Impotence is the chronic inability to achieve or maintain a hard enough erection for…

Q: The contracting cells of the heart are a type of striated muscle that is said to work as a…

A: Functional syncytium is a group of cells that acts or works as a single unit while keeping the…

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: Excessive blood loss leads to low blood pressure. Explain two mechanisms by which cardiac output is…

A: Blood is the primary circulatory fluid and a vital component of the cardiovascular system in humans.…

Q: Explain why intercalated discs are important to cardiacmuscle function

A: Cardiovascular systems comprises mainly of heart and its blood vessels. It is covered by a tough…

Q: Ms. Smith jogs every morning to keep a healthy head (brain), heart, hands, and whole body.…

A: Jogging is a kind of physical exercise that keeps your head brain and heart healthy. It makes your…

Q: Describe the pressures which affect the movement of fluids from the intravascular to the…

A: The space that surrounds the cells of a given tissue that is filled with interstitial fluid which…

Q: Explain why an overweight individual with high blood pressure is advised to lose weight. Include in…

A: Blood is a connective tissue that flows throughout the body via a closed system of blood vessels…

Q: Drugs known as calcium channel blockers prevent Ca++ movement through Ca++ channels. Explain two…

A: Calcium channel blockers, calcium channel antagonists, and calcium antagonists are a class of drugs…

Q: Describe an example where the nervous system causes changes in the normal functioning of the…

A: The nervous system is the body's control center. There are two major divisions of the nervous…