Buffy layer - Study guides, Class notes & Summaries

BIOS255 EXAM 1 with Verified Solutions 1. What makes up blood Plasma? protein, water, nutrients, wastes and electrolytes. plasma makes up about 55% of blood. 2. Buffy Coat Middle layer of centrifuged blood with less than 1% composition, containing white blood cells (WBCs) and platelets. 3. Hematocrit (Ery- throcyte) Lowermost layer of centrifuged blood, constituting 45% of red blood cells (RBCs). 4. Albumin Constitutes 60% of plasma proteins, influencing the vis- cosity and osmolari...

_________ acts via gene activation even though it is a(n) _____________ hormone. - Thyroxine, amino acid based _________ is a second messenger that activates ____________ to alter cell activity. - cAMP, protein kinases __________ is produced in the hypothalamus but released from the ___________ pituitary gland. - ADH, posterior A _________ allows an organ to recieve blood from more then one arterial source or drain blood into more then one vein. - vascular anastomoses A decrease in hemat...

hematology correct answers the study of blood cells (RBCs, WBCs, Platelets) and the blood forming tissues in both the healthy and pathological states -monitored by qualitative and quantitative evaluations of formed elements of blood -many different disease states can be encountered buffy coat correct answers the white layer of WBCs and platelets that accumulate at the middle of separated non-clotted blood -accounts for <1% of blood's content -is present between the plasma and RBC laye...

MLPAO Exam Set( 2024/2025) - Questions and Answers, Complete Solutions Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine - gentian-violet Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in cells - precipitating enzymes in the cells - none of the above A Westergren tube is used for which test procedure? - prothrombin time - hematocrit - platelet count -...

What is hemoglobin composed of? 4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? Porphyria Porphyria Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. What is methemoglobin? Methemoglobin is a form of hemoglobin that contains ferric [Fe3+] iron and h...

OSMT Exam Question and Answers 100% Solved Correctly 2024 Which of the following is termed as the "universal solvent?" a) acid b) base c) water d) sodium chloride - answerc) water Another term for saline is: a) water b) NaCL c) Na d)Cl - answerb) NaCl Cells in an isotonic solution will: a) swell and burst b) shrink and dehydrate c) be balanced with outer concentration d) hemolyze - answerc) be balance with outer concentration A biohazardous sharps container is used to dispose:...

Biol 235 Final Exam Questions with All Correct Answers buffy coat - Answer a thin light colored layer of white blood cells and platelets than lie between a top layer of plasma and red blood cells in a centrifuged sample of blood. makes up <1% of the total volume of blood erhythrocytes - Answer red blood cells that transport oxygen from the lungs to the body cells and deliver carbon dioxide from the body cells to the lungs hemopoiesis - Answer proces...

Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine - gentian-violet - ANSWER safranin Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in cells - precipitating enzymes in the cells - none of the above - ANSWER precipitating cell wall A Westergren tube is used for which test procedure? - prothrombin time - hematocrit - platelet coun...

MMSC 423 Exam 1 – Questions & Complete Answers (100% Correct) MMSC 423 Exam 1 – Questions & Complete Answers (100% Correct) hematology - ANSWER - the study of blood cells (RBCs, WBCs, Platelets) and the blood forming tissues in both the healthy and pathological states -monitored by qualitative and quantitative evaluations of formed elements of blood -many different disease states can be encountered buffy coat - ANSWER - the white layer of WBCs and platelets that accumulate at the mi...

Artery - ANSWER-Blood vessels that carry blood away from the heart Arterioles - ANSWER-Smallest branches of arteries Atria - ANSWER-Upper chambers of the heart Bacteremia - ANSWER-Presence of bacteria in blood Basilic Vein - ANSWER-Vein on the inner side of the antecubital area - this is the last choice Bleeding time - ANSWER-Test done to asses platelet plug formation in the capillaries - pre-surgical Buffy coat - ANSWER-After centrifugation, the layer that is formed in a speci...