What happens to blood when it is pumped into the thin-walled blood vessels of the lungs? 1) Platelets are exchanged for plasma. 2) Carbon dioxide is replaced with oxygen. 3) Blood fills the lungs and causes coughing. 4) Nothing -- the lungs are just a place blood goes throughon its way back to the heart.

Q: Why are immature RBCs sometimes present in the blood?   Question 7 options:…

A: The presence of immature red blood cells, also known as reticulocytes, in the blood is usually a…

Q: Most of the oxygen transported in blood is A) Attached to the plasma membrane of red blood cells B)…

A: Transport of Oxygen in the Blood : Most oxygen—98.5 percent—is attached  to a protein named…

Q: Which of these belong to the group of white blood cells (leukocytes)? a) Erythrocytes b) Monocytes…

A: Blood is an intracellular fluid that transports gases, minerals, immunogen, nutrients, and other…

Q: What is the role of hemoglobin? A) It picks up CO2 and distributes it to the body B) It picks up O2…

A: Introduction: Hemoglobin is a respiratory pigment that is reddish in color. In humans, it is present…

Q: A student pours some distilled water into a sample of blood. Later, she looks at the blood under a…

A: Red blood corpuscles (RBC) are the cells that carry oxygen throughout the body. They are small,…

Q: the cardiovascular system is responsible for ensuring the body is able to access atmospheric oxygen…

A: Mitochondria provide energy in form of ATP in eukaryotic cells. However, it is not known when,…

Q: The development of which of the following cells is closely related to reticulocytes? A) monocyte B)…

A: Erythropoiesis is a complex and heavily monitored process that begins with an erythroblast in the…

Q: 2. List either: a) pulmonary or peripheral, b) venous or arterial and c) oxygenated or deoxygenated…

A: 1. a) peripheralb) venousc) deoxygenated2. a) peripheralb) venousc) oxygenated3. a) pulmonaryb)…

Q: List at least five things that a circulatory system does to help the body cells. Which of these is…

A: Circulatory system is a very important part of any living being as it helps to distribute oxygen and…

Q: George is anaemic and is always fatigued. How is the body likely to respond?

A: Formed elements form the solid volume of the blood which contributes to 45% of the total blood…

Q: The left atrium receives oxygenated blood from the     A) pulmonary trunk.     B) pulmonary veins.…

A: The left atrium is one of the four chambers of the heart, and it receives oxygenated blood from the…

Q: 20. Replacement of a glutamic acid for valine in hemoglobin ß primarily causes which effect?…

A: The replacement of a glutamic acid residue in the beta-chain of hemoglobin by valine is an important…

Q: How is most CO transported in the bloodstream? a) In the plasma, as CO b) In the RBC, as CO c) In…

A: Note: Binding of carbon monoxide to RBC forms HbCO and not HCO(as in options c and d). Carbon…

Q: 14. A full-term female newbor has pulmonary stenosis, a ventricular septal defect en overiding arts,…

A: The objective of the question is to identify the part of the heart that most likely developed…

Q: 3. The most common type of leukocyte (white blood cell) in humans is the neutrophil. Which statement…

A: Immune system is responsible for protecting the body against the pathogen.

Q: A female patient complains to their physician that they are constantly tired and get out of breath…

A: Hematocrit test measures the proportion of RBCs in the blood. It uses a Centrifuge method or a…

Q: Which of the following can affect the binding of oxygen to hemoglobin? A) The pH of plasma B) The…

A: Hemoglobin is an essential component of the body. It is hemoglobin that is responsible for the…

Q: 10) Fill in the blanks found in the column on the right with the appropriate term(s) from the column…

A: Different types of cells that perform same function and originated from the same embryonic germ…

Q: The process from which leukocytes leave the bloodstream through the endothelial cells of the…

A: Leukocytes are WBCs acting as immune cells fight unwanted foreign bodies entering into the cells.

Q: How does an open circulatory system differ from a closed one? A)A closed circulatory system is…

A: The objective of the question is to understand the differences between an open circulatory system…

Q: Carbon monoxide (CO) is toxic to humans because it:       A)  is rapidly converted to toxic CO2.…

A: Poisonous gas carbon monoxide (CO) is a serious risk to people's health. It is formed when carbon…

Q: Which of the following is characteristic of all leukocytes? a.They have cytoplasmic granules.…

A: Leucocytes are the part of immune system which are produced in the bone marrow. Their primary…

Q: Which one of the following statements concerning Hb (hemoglobin) A1c is CORRECT? Question 4…

A: Human blood is the most prevalent fluid found in a body that flows throughout under high pressure…

Q: What substance is not required for coagulation?   a) Calcium b) Vitamin K c) Factor II d)…

A: Blood coagulation: it is the process of blood clot formation when needed by the body in response to…

Q: Why is the term “hemolymph” more appropriate for invertebrates such as the crayfish, while the terms…

A: Hemolymph is the fluid in the coelom or hemocoel of some invertebrates that have a similar function…

Q: Why is the binding of oxygen to hemoglobin cooperative while the binding of oxygen to myoglobin is…

A: Hemoglobin is a protein found in red blood cells that transports oxygen to organs and tissues and…

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: The fundamental cause of sickle-cell disease is a change in the structure of: a. blood. b.…

A: Sickle cell disease - Inherited blood disorder, red blood cells are shaped like sickle .

Q: In which capillary beds do RBCs push this chemical reaction to the right? CO + HO --> HCO --> H +…

A: The bicarbonate buffering system is the primary blood buffering system to maintain the homeostatic…

Q: 107) Hematopoeisis is the the name of the specific process for the creation of Erythrocytes. Group…

A: Blood is chief body fluid material in the circulatory system which helps in :-  I ) Transport of…

Q: What do you mean by fixed macrophages?

A: The immune system provides defense against invading pathogens. It is a complex network of cells,…

Q: Where are blood cells produced?

A: The blood cells are produced in the center of the bone called bone marrow The process of making…

Q: In humans, the pacemaker of the cardiac muscle cells is stimulated to increase contraction rate by__…

A: The process during which the contraction of heart increases is called the positive inotropic effect.…

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.