How is local control of blood flow in tissues achieved?

Q: What happens to plasma volume and interstitial fluid volume following a hemorrhage?

A: Brain hemorrhage or intracranial hemorrhage refers to bleeding inside brain. Causes include injury…

Q: How are blood flow and the pressure gradient related? How are blood flow and resistance related?

A: Blood can be defined as the body fluid that is present in humans and other animals and it play the…

Q: What account for the increase in blood pressure at old age?

A: High blood pressure also said to be hypertension. It is very commonly seen in old age…

Q: How is the clotting cascade initiated? How does the extrinsic pathway recruit the intrinsic pathway?

A: Coagulation can be defined as the process by which blood will changes from the liquid to a gel and…

Q: What is mean arterial pressure?

A: The minimum arterial pressure required and maintained during a single cardiac cycle is known as Mean…

Q: What happens when the Mean arterial pressure Increases?

A: Introduction:Blood pressure is the pressure exerted by the blood on the walls of the arteries.…

Q: How does gravity influence effective blood volume?

A: The cardiovascular system includes heart and blood vessels that work together to pump blood all…

Q: What is the major function of erythrocytes?

A: A cell that contains haemoglobin, and are concave at both sides enucleate RBC, which is responsible…

Q: What are clotting factors?

A: Blood clotting, or coagulation is an important process, which prevents excessive bleeding when a…

Q: What does an ECG record?

A: The heart of humans has four chambers within it. These four chambers are the Left and Right atria…

Q: What are the three factors that alter resistance? How does each affect blood flow in vessels?

A: The circulatory system is one that allows blood to circulate and move supplements, oxygen,…

Q: What is blood volume mostly determined by?

A: In the blood , the volume of the blood is defined as the approximately one to five gallons or five…

Q: What is the ideal blood pressure?

A: In physiology, the circulatory system is defined as the cardiovascular system which allows blood to…

Q: What is the process of an angiogram?

A: Angiography, angiogram, or arteriograms are terms that describe a procedure used to identify…

Q: What is atrial fibrillation?

A: Atrial fibrillation is the term used to describe an irregular or abnormal heart rate. It is…

Q: How is the clotting cascade initiated? How does the extrinsic?

A: The step of clotting cascade 1) Constriction of the vessel. 2) Formation of a short lived “platelet…

Q: How does mean arterial pressure differ from systolic pressure and diastolic pressure?

A: Blood pressure is defined as the quantity of force exerted by the flowing blood over the inner walls…

Q: How is the clotting cascade initiated?

A: Blood is vital fluid in almost all livings that help to transit nutrients and oxygen all over the…

Q: How does variation in hematocrit influence the hemodynamics of blood flow?

A: Hemodynamics refer to the factors responsible for blood flow.

Q: Which are the major categories of drugs used to treat hypertension?

A: Hypertension or high blood pressure individual heart is not able to blood pump with the full…

Q: What is an electrocardiogram (ECG) and how it works?

A: The vascular system is responsible for pumping and supplying blood to all parts of the body. In…

Q: How do changes in cardiac output and systemic vascular resistance affect blood pressure?

A: Cardiac output is that the volume of blood be due the guts through the ventricles, and is typically…

Q: Which two factors of systemic arterial pressure is the arithmetic product?

A: The pressure measured within big arteries in the systemic circulation is referred to as an…

Q: How might damage to the heart be detected in an ECG?

A: An  ECG is electrocardiogram. It is the test used to measure the damage to the heart.…

Q: What is a blood clot? What is it composed of?

A: A blood clot is a network of fibrin fibres and trapped blood cells that forms at the site of tissue…

Q: why are erythrocyte lifespans so short?

A: Erythrocytes are the type of blood cells involved in the transportation of oxygen from the lungs to…

Q: What is the purpose of checking capillary refill?

A: Capillary refill time is the time it takes for the color to return back to the external nailbed when…

Q: Which vessel will contain the smallest number of red blood cells per unit volume of blood?

A: Blood vessels are components of the circulatory system that transport blood throughout the human…

Q: What is the relationship between peripheral resistance and blood pressure? How does the vasomotor…

A: Blood pressure (BP) is a measure of the force being exerted on the walls of arteries as blood is…

Q: What is meant by autoregulation of blood flow and what is the mechanism involved

A: autoregulation of blood flow is regulated by neuro hormonal factors, physical pressure, endothelial…

Q: How is local blood flow dependent on total blood flow?

A: Blood flow refers to the circulation of blood through the vessels from arteries to the capillaries…

Q: What is the cause of high blood pressure?

A: Blood pressure is the pressure exerted by blood on the walls of a blood vessel which helps to push…

Q: What are dissolved gases present in blood plasma?

A: The liquid portion of blood which is about 90% water and transports nutrients, wastes, antibodies,…

Q: How do skeletal muscles, respiratory movements, and vasoconstriction affect venous blood flow?

A: The blood vessels are a part of the circulatory system. It functions to transport blood all over the…

Q: Can ECG give false readings?

A: ECG: ECG is referred to as electrocardiography and produces an electrocardiogram. ECG produces a…

Q: How accurate is a one lead ECG?

A: One of the easiest and quickest diagnostics for cardiac evaluation is an electrocardiogram (ECG).…

Q: What are the main causes of high blood pressure?

A: High blood pressure also called hypertension is a  frequent medical condition in which the blood…

Q: What is vasomotion? What is autoregulation of local bloodflow?

A: Answer: Introduction: Vasomotion controls liquid and nutrient exchange amongst the vascular system…

Q: What is essential hypertension ?

A: Introduction: Hypertension or high blood pressure is a condition in which there is high blood force…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.