The following statements about erythrocytes are true except: a. are biconcave disks b. transport most of the oxygen in the blood c. transport most of the carbon dioxide in the blood d. are the most numerous formed element Which of the following statements about erythropoietin is true? A. It facilitates the proliferation and differentiation of the erythrocyte lineage B. It is a hormone produced by the thyroid gland C. It is a hemopoietic growth factor that prompts lymphoid stem cells to leave the bone marrow D. Both A. and B. are true Both B and C The erythrocytes are the red blood cells found in the blood. The mature red blood cells do not have a nucleus and they are biconcave in shape. They are red in color due to the presence of the pigmented protein, hemoglobin which carries the oxygen to the different parts of the body . Hemoglobin is an iron containing molecule inside red blood cells. b. Erythrocytes live an average of 120 days c. Bilirubin from worn out red blood cells is recycled by the liver. d. Worn out erythrocytes are removed by the splee
Which of the following statements regarding erythrocytes is true? A. Cyte means cell. B. Cyte means cancerous. C. Erythro means pathological. D. Erythro means white Which of the following statements about mature,circulating erythrocytes is true?a. They have no nucleus.b. They are packed with mitochondria.c. They survive for an average of 4 days.d. All of the abov . It accounts for less than 10% of normal erythrocyte breakdown. B. Hemoglobin is released directly into blood. C. Alpha and beta dimers are bound to haptoglobin. D. All of the above. 57. The upper limit of the reference range of hemoglobin in. an. c) Erythrocytes originate from the same undifferentiated pluripotent stem cells as leukocytes and platelets. d) Erythrocytes are unable to utilize the oxygen they contain for their own ATP formation. e) Erythrocytes only live about 5 days. Question 35 Your answer is CORRECT. Which of the following statements concerning platelets is incorrect B cells b. natural killer cells c. platelets d. all of the above Which of the following statements about erythropoietin is true? a. It facilitates the proliferation and differentiation of the erythrocyte lineage. b. It is a hormone produced by the thyroid gland. c. It is a hemopoietic growth factor that prompts lymphoid stem cells to leave the.
The erythrocyte, commonly known as a red blood cell (or RBC), is by far the most common formed element: A single drop of blood contains millions of erythrocytes and just thousands of leukocytes. Specifically, males have about 5.4 million erythrocytes per microliter (µ L) of blood, and females have approximately 4.8 million per µ L Which of the following statements is true regarding hormone stimulation of blood cell production? Selected Answer: Erythropoietin is produced by the kidney and stimulates red blood cell production. Answers: Thrombopoietin is produced by the kidneys and stimulates red blood cell production. Hematopoietin is produced by the liver and stimulates white blood cell production The right answer to this question is that the following statements are true regarding red cells: A. Their anatomical name is also erythrocyte Which of the following statements is true regarding the Rh blood group? Individuals with Rh - blood type have Rh (D) antigens on the surface of their red blood cells. Anti-Rh (D) antibodies are only found in Rh - individuals who have been exposed to Rh + blood The erythrocyte, commonly known as a red blood cell (or RBC), is by far the most common formed element: A single drop of blood contains millions of erythrocytes and just thousands of leukocytes.Specifically, males have about 5.4 million erythrocytes per microliter (µL) of blood, and females have approximately 4.8 million per µL.In fact, erythrocytes are estimated to make up about 25 percent.
Which of the following statements about red blood cells is true? Select one: O A. The main function of red blood cells is to carry nutrients. B. Each red blood cell contains about 1 million molecules of hemoglobin. O C. Red blood cells are shaped like biconcave disks. OD. Red blood cells in adult humans have nuclei the following statements as true (T) or false (F). If the statement is false, correct it to make it a true statement. a. Red blood cells are also known as leukocytes. b. White blood cells with granules in their cytoplasm are known as agranulocytes. The granulocytes include the neutrophils, eosinophils, and basophils Which of the following statements regarding erythrocytes is NOT true? bilirubin from worn-out red blood cells is recycled by the liver. worn-out erythrocytes are removed by the spleen all of the above. Tags: Question 20 . SURVEY . 30 seconds . Q. Which of the following statements regarding the different types of leukocytes is NOT true.
The globin proteins assist in transportation of molecules and in the body's immunity Question 3 1 out of 1 points Red blood cells have a lifespan of about 30-40 days? Selected Answer: False Question 4 1 out of 1 points Which of the following statements is NOT true regarding someone whose blood is type AB? Selected Answer: C Which of the following are TRUE statements about red blood cells (erythrocytes)? a. mature cells do not have a nucleus b. new RBC's may enter the blood stream at the rate of 2 million/second c. the primary molecule within the cytosol is keratin d. their plasma membrane is both strong and flexibl
. each white blood cell contains millions of hemoglobin molecules. ii. in a sample of blood, there are more red blood cells than white blood cells. iii. hiv destroys red blood cells. iv. all blood cells come from one pool of stem cells. a. ii and iv only b. i and iv only c. ii and iii only d. i, iii, and iv only e. i, ii. Which of the following statements is true about the ABO blood group system? by Sunday | Nov 23 | Biology WAEC | 0 comments. A. Antigens are located on the surface of white blood cells. B. Antibodies are located in the blood plasma. C. Antibodies are located on the surface of red blood cells. D. Antigens are located in the blood plasma. Correct. Question 11 : Give one reason for each of the following. Erythrocytes are biconcave discs and lack nucleus. Question 16 : State whether the following statements are true or false. Correct and rewrite the false statements by changing either the first or the last word What would happen to red blood cells if the haem group were removed from haemoglobin? a) Red blood cells would not be able to bind oxygen. b) Red blood cells would not be able to reproduce. c) White blood cells would not be able to reproduce. d) Blood clot formation would be inhibited
0. Which of the following statements is true about the ABO blood group system? A. Antigens are located on the surface of white blood cells. B. Antibodies are located in the blood plasma. C. Antibodies are located on the surface of red blood cells. D. Antigens are located in the blood plasma As red blood cells develop and mature, they eject their nucleus and lose all organelles. Red blood cells contain over 200 million hemoglobin molecules. c is incorrect. Erythropoietin (EPO) is a hormone that is produced by the kidneys. EPO stimulates the production of more red blood cells Which of the following statements concerning the rate of action potential propagation is true? ? It is faster in large-diameter axons than in small-diameter ones. ? It is faster for a strong stimulus than for a weak one. ? It is faster in myelinated nerve fibres than in non-myelinated ones. ? A and C. ? A, B and C The Erythrocytes Or red blood cells Are cells that carry oxygen to all parts of the body. They are the most common type of blood cells; Absorb the oxygen in the lungs or gills of the fish and release it into the tissues. The erythrocyte cytoplasm is rich in hemoglobin, a biomolecule containing iron that can bind to oxygen and is responsible for the red color of cells Which one of the following statements is NOT true for white blood cells? ? They are smaller than red blood cells. ? They are produced in bone marrow. ? They have no definite shape. ? They are capable of fighting infection. Normal body temperature is around ? 37 o C ? 32 o C.
Which of the following statements is true? Which of the following statements is true? Drift velocity is a property of the material. Conventional current flow describes electrons moving opposite the internal electric field of a conductor. The time between collisions when discussing electron curren Which of the following statements is true regarding these prints or ridges? The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis. True or False True False Which of the following is the normal value for a platelet count? 140,000 to 400,000: Which of the following best describes erythrocyte indices: calculations that provide size and hemoglobin content of RBCs: Which of the following statements is true about performing accurate sed rate procedure? counter must be free of vibration Questions: Top. 1. All of the following statements about the pentose phosphate pathway are true EXCEPT. Its two functions are to produce NADPH and ribose-5-P. It uses glucose-6-P as a substrate when producing NADPH and CO 2. Glucose-6-phosphate dehydrogenase is the control enzyme and it is regulated by the NADPH concentration of the cell
A hematocrit is. the percentage of red blood cells in whole blood. Match the following: involved in certain immune responses. globulins. Match the following: develop into mature red blood cells. reticulocytes. Match the following: most abundant plasma protein. albumin. Match the following: blood after formed elements are removed thick smears are used to identify the presence of parasites. the percentage of parasitized erythrocytes can then be assessed on a thin film (>2% is considered severe).intra-vascular haemolysis is caused by either immune destruction of parasitized cells, or non-immune destruction of heavily parasitized cells
Which of the following statements is true concerning epidemic diseases? 1. Epidemiologists are interested in learning about ____________________ . a) the causes of diseases and how to cure or control them. b) the frequency and geographic distribution of diseases. c) the causal relationships between diseases 41. All the following statements about estrogens are true except: a) responsible for body growth b) effects bone remodeling. c) stimulate epiphyseal closure more effectively than testosterone . d) decreases deposition of fat. 42. All of the following statements about Melengestrol acetate are true except: a) It is a synthetic progesti Blood - Blood - Production of red blood cells (erythropoiesis): Red cells are produced continuously in the marrow of certain bones. As stated above, in adults the principal sites of red cell production, called erythropoiesis, are the marrow spaces of the vertebrae, ribs, breastbone, and pelvis. Within the bone marrow the red cell is derived from a primitive precursor, or erythroblast, a. true? actual malice rule originated in following in libel suits? jury determines whether a Surgical incision chest cavity called: thoracotomy abdominal quadrants? They are used by regarding erythrocytes ? a. Hemoglobin an iron containing molecule inside red blood cells. b. Erythrocytes live about medical term caseous necrosis Sickle cell anemia is named for the abnormal shape of the red blood cells. TRUE: Enucleated means having no nucleus. TRUE: Whole blood is commonly called werum. FALSE: Leukocytes are also called platelets. FALSE: A hematoma is commonly called a bruise. TRUE: A hematinic medication increases the number of erythrocytes in the blood. TRUE.
Which of the following statements about spongy bone are true? a, b, an HSC in the bone marrow has four actions in its repertoire: 1) it can renew itself, 3, Spongy bone can decrease the weight of bones, 3, s, in infants, c, They live for only about 20 days, stores fat 3, It makes blood cells, yellow bone marrow, 4 and 5 only d, Term, but it. 21.Which of the following statements is true? a.Arteries carry only oxygenated blood. b.The systemic circuit leaves the heart from the left ventricle. c.Blood passes through only one capillary bed on its trip through the systemic circuit. d.Platelets survive a longer time than erythrocytes Rejimol - Online Quiz. 1) Which is the following statements is true concerning human body? a) The blood of all normal humas contains red and white cells, platelets and plasma. b) Some human populations normally lack the ability to produce plasma. c) proteins are not normal components of human blood. 2) Erythrocyte is another name for. a) Red Cell
Which of the following statements is TRUE? A) There are at least thirty complement proteins. B) All of the complement proteins are constantly active in serum. C) Factors B, D, and P cause cytolysis. D) Complement activity is antigen-specific. E) Complement increases after immunization Erythrocytes (red blood cells or RBCs) are anucleate, biconcave cells, filled with hemoglobin, that transport oxygen and carbon dioxide between the lungs and tissues.They are produced in the red bone marrow by a process called erythropoiesis. During this process, stem cell derived erythroid precursors undergo a series of morphological changes to become mature erythrocytes Which of the following statements is true? A. Inflammation occurs when red blood cells release chemicals into the blood. B. Inflammation is another name for swelling. C. Vaccination can't eradicate diseases such as polio. D. A vaccine can't provide immunity against disease
Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic c.. Which of the following statements is(are) true regarding bacteria in the human body? (Select all that apply.) Human bodies may contain pathogenic bacteria, but these are often kept in check by other (nonpathogenic) species. Cholera is caused by a bacterium that infects and disables part of the immune system Lymphatic System. The flashcards below were created by user ambirc on FreezingBlue Flashcards . These structures filter lymph fluid that is carried in the lymphatic vessels: A. Hassall corpuscles of the thymus. B. Tonsils. C. white and red pulp of the spleen. D. lymph nodes. E. Peyer's patches. D. lymph nodes Answers: 2 on a question: Which of the following statements is true? a. groundwater doesn't exist in dry climates. b. fifty percent of earth's freshwater is underground. c. soil with mixed particles of different sizes is very porous. d. groundwater adds water to lakes, rivers, and oceans
Which of the following statements is TRUE? Some ATP is consumed in glycolysis. The end product of glycolysis is lactic acid or ethanol. Some ATP is synthesized through substrate-level phosphorylation through the action of ATP synthase. Overall, glycolysis is endergonic. Phosphofructokinase is activated by ATP and citrate Which of the following statements is NOT correct? A) Digestion only takes place within the digestive tract. B) The digestive tract begins with the mouth and ends with the anus. C) Digestion of food in humans is a process that occurs inside of cells. D) Digestive enzymes are secreted into the tract by glands located either in the tract or nearby. E
Which of the following statements are true of a patient with hyperglycemia and hyponatremia? A. The sodium concentration must be corrected by 5 mEq. per 100 mg. per 100 ml. elevation in blood glucose Which of the following statements is the most important standard precaution? a. Wash your hands. b. Wear Gloves. c. Wear a nonpermeable gown or apron. d. Wear a mask and protective eyewear. Answer: A. Learn More : Share this Share on Facebook Tweet on Twitter Plus on Google+ « Prev Question All of the following properties allow erythrocytes to function as gas carriers except: a. biconcavity. b. reversible deformability. c. presence of hemoglobin in cytoplasm. d. presence of many mitochondria. A group of cells is isolated in the laboratory. The cells have membrane-bound granules in their cytoplasm, and they show phagocytic activity 12-All of the following statements are TRUE regarding the A 2 blood group EXCEPT: A. Dolichos biflorus lectin generally does not agglutinate A 2 RBCs B. Ulex europaeus lectin may agglutinate some A 2 RBCs C. A 2 RBCs have more A antigen than A 1 RBCs D. If anti-A 1 is made, it is usually clinically insignificant E. Most A
Select ALL of the following statements that are true about lymph nodes. They are glands. They are nerves. They hold and distribute lymphocytes. They make lymphocytes. They filter the lymphatic system from harmful bacteria Hematopoiesis is the process by which the body produces blood cells and blood plasma. It occurs in the bone marrow, spleen, liver, and other organs. It begins in the early stages of embryonic. 2. Red blood cells are placed into pure water. Which of the following statements is true? The osmotic pressure inside the cells equals the osmotic pressure outside. a. Water molecules flow out of the red blood cells, causing them to collapse. b. The osmotic pressure of the cell contents increases, causing the cells to burst. C Which of the following statements about selling is true? a) You are not involved in sales when you go to an interview with a potential employer. b) Unlike other professions, journalists do not engage in selling activities. c) Everyone sells at their place of work, but not at home with their families Which of the following statements about the gastrointestinal system are TRUE? A) After nutrient absorption, blood returns directly to the heart for recirculation. B) The duodenum and ileum make up the bulk of the small intestine. C) The blood absorbs nutrients ingested through the gastrointestinal tract
All of the following statements regarding bile are correct except _____. a. bile is a waste product of the reprocessing of red blood cells . b. bile is released into the colon in response to fatty foods . c. bile aids in the digestion of fats . d. bile is produced by the gallbladde The average human adult has more than 5 liters (6 quarts) of blood in his or her body. Blood carries oxygen and nutrients to living cells and takes away their waste products. It also delivers immune cells to fight infections and contains platelets that can form a plug in a damaged blood vessel to prevent blood loss
Vitamin B-12 deficiency anemia is a condition in which your body doesn't have enough healthy red blood cells because of a lack of vitamin B-12. This vitamin is needed to make red blood cells. These cells carry oxygen to all parts of your body. Without enough red blood cells, your tissues and organs don't get enough oxygen Answer: * A. Once someone has malaria infection, they will have it for the rest of their life in spite of treatment. * B. All persons who contract P. vivax malaria have Duffy Antigen present on their red blood cells. * E. One way to help diagnose P. malariae is to carefully record the pattern of symptoms since it is the only species to have a.
Which Of The Following Is Characteristic Of All Leukocytes.Multiple choice questions and answers on immune system question 1 : From this lesson, you will learn about leukocytes, including the five different types of leukocytes, their specific function, and why they are an important part of the immune system Which of the following statements is NOT true of allosteric regulation of hemoglobin? O Proton (H+), CO2, and 2,3-bisphosphoglycerate (2,3-BPG) are likely to be higher in capillaries of active tissues than in capillaries of the lung. O Proton (H+), CO2, and 2,3-bisphosphoglycerate (2,3-BPG) stabilize the T state of hemoglobin