The capillary tubes that are used to draw blood for the measurement of hematocrit are treated with heparin. Why?

Q: which formula is used to estimate the volume of a neutrophil.

A: Answer: Introduction: Blood is a body fluid in animals, which transfers nutrients and oxygen to the…

Q: Do the Fibrin form the bridges between aggregating platelets? How?

A: Platelets aggregation:                 ADP [Adenosine diphosphate] is released during the platelet…

Q: What is the mechanism of uptake of cholesterol from plasma?

A: Cholestrol is a fat-like substance or a lipid molecule. It is present in all the cells of the body.…

Q: What do you mean by serum albumins?

A: The blood is the fluid connective tissue that plays an important role in transporting oxygen,…

Q: Being highly allergic to pollen and nuts, Jim has always used epinephrine injections and cortisol…

A: There are some people who are allergic to certain food, pollen grains and other substances in the…

Q: In which part of the red blood cell can you find heamoglobin

A: Hemoglobin is a protein molecule that is responsible for oxygen transport to the various tissues of…

Q: Name the protein secreted by the blood platelets for blood clotting

A: Blood clotting involves the activation of a sequence of factors which are proteins produced mainly…

Q: What are leukotrienes and how does their effects compare to the effects of histamine?

A: Inflammation is part of the process by which the immune system defends the body from harmful…

Q: In some cases of breast cancer, many of the axillary lymphnodes are removed. Why are injections not…

A: Breast cancer occurs in the breast tissues and it can metastasize to the underarms and spread to the…

Q: What do you mean by serum globulins?

A: Globulin is a group of proteins which are produced in the liver or some by the immune system and…

Q: Plasma and serum are the same thing?

A: Difference between plasma and serum.

Q: Define thymosin-β4,

A: A cell is the basic structural and functional key of life. A cell has multiple organelles that carry…

Q: what dose chromtin do

A: Chromatin is a complex of nucleic acids (DNA) and proteins found in the nucleus of eukaryotic cells.…

Q: Why are plasma proteins important to blood volume?

A: Blood is a body fluid that carries necessary nutrients and oxygen to the cells and transports…

Q: What proportion of bone marrow cells are hematopoieticstem cells?

A: Hematopoietic stem cells are multipotent cells which give rise to all type of blood cells from…

Q: Why is iron important to erythropoiesis?

A: Erythropoiesis:- It is the process of generating red blood cells by the stem cells (hematopoietic)…

Q: Elevation of white blood cells (neutrophils) above the normal limit becomes a pathological condition…

A: Given: They are also known as white blood cells (WBCs). They have no haemoglobin pigment,so these…

Q: Do blood donors have their blood counts taken? Why or why not?

A: A complete blood count, also referred as a full blood count, is a series of clinical lab tests which…

Q: The effect of nitric oxide on blood vessels is to:

A: Nitric oxide is an important chemical found in the our body. They relax the inner muscles of our…

Q: If a patient is taking new oral anticoagulant called direct thrombin inhibitor how is this drug…

A: Hemostasis involves many several steps that include activation of platelet and fibrin generation by…

Q: What would be the effect of decreasing PO2 on red blood cell production?

A:

Q: Do you think platelets can synthesize proteins?Why or why not?

A: The blood is composed of liquids and solids. Plasma is made up of water, salts and protein which is…

Q: What do you mean by clotting of blood?

A: The clotting of blood is an advantageous as well as a harmful process. If blood do not exhibits the…

Q: What are the other components of blood plasma?

A: Blood Plasma is a yellowish fluid that holds blood cells of whole blood in suspension rich in…

Q: In which vessel will the blood carry the most oxyhaemoglobin?

A: Oxyhaemoglobin: The red substance formed when oxygen from the lungs combines with haemoglobin in the…

Q: Why blood does not clot in blood vessels?

A: Blood is a body fluid in humans and other animals. It delivers necessary substances such as oxygen…

Q: Bacteria and viruses in infected tissues easily enter lymph vessels. Explain why.

A: Bacteria and viruses are microscopic structures which enters in our body through infected food,…

Q: When the tissue swell down due to injury, gaps in the lymphatic capillaries open allowing fluid to…

A: Inflammation:  Inflammation is a protective reaction involving immune cells, blood vessels, and…

Q: How do red blood get through capillaries smaller than themselves?

A: Flow of blood through the capillaries.

Q: Nitric oxide is broken down very quickly after its release. Why?

A: Every type of cell in human body produces nitric oxide. Nitric oxide is known to relax the inner…

Q: are granulocytes and often elevated in levels in response to allergic reactions

A: Introduction :- When your immune system is attacked, tiny granules in granulocytes, the most common…

Q: T cells are often discussed in conjunction with the disease AIDS, in which a virus destroys these…

A: T Cells : T cells are part of the immune system and develop from stem cells in the bone marrow. They…

Q: The cardiac output is low, but the left side shows hypertrophy. Explain how the cardiac output is…

A: Compensatory mechanism: The purpose of your heart's compensation for heart failure is to keep your…

Q: What connective tissue cell shares functional and structural features with a basophilic leucocyte?

A: Basophils are a type of white blood cells. Although they are produced in the bone marrow , they are…

Q: which formed elements of blood would ricin affect directly?

A: Ricin is a naturally occurring poison found in seeds of castor beans. It can inhibit protein…

Q: If fibrin is present in blood which is a protein involved in blood clotting then why does not its…

A: Blood clotting also known as blood coagulation is defined as the process in which blood loses its…

Q: are there any mature formed elements in the blood that ricin would not affect?

A: Ricin is a lectin obtained from the seeds of the castor oil plant, Ricinus communis. It is a highly…

Q: how many neutrophils does he/she have?

A: white blood cell is a type of blood cell all are made in the bone marrow . they found in blood and…

Q: What vitamin and what mineral are specifically associated with the clotting process?

A: Blood is crucial for the survival of humans and loss of blood can result in various life-threatening…

Q: Describe the platelet receptor-ligand interaction and its biological outcome

A: Answer: Introduction: Platelets receptor-ligand interactions are necessary to recruit a circulating…

Q: Define the terms leukotriene and prostaglandins.

A: An endogenous chemical substance that has a role in the development of the inflammatory response is…

Q: Explain the mechanism of aspirin induced anti-platelet activity? explain at your own words

A: Mechansim of Aspirin: Aspirin Irreversibly inhibit Prostaglandin H at Synthase (cyclooxygenase 1…

Q: Leukotrienes from damaged tissue cause smooth muscle in local blood vessels to vasodilate (increase…

A: Local hormones are a huge group of signaling molecules that does not circulate within the blood.…

Q: Which molecule is secreted by platelets and can activate platelets

A: Blood is the most abundant extracellular fluid in the human body. It circulates with in the blood…

Q: Explain why white blood cells but not red blood cells are normally found in lymph fluid.

A: Lymph is a body fluid and consist of various cells and protein which provides protection to the body…

Q: Why do endurance athletics use erythropoietin?

A: Erythropoietin (EPO) is a peptide hormone that regulates erythropoiesis. It is produced when the…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.