RBC Hematology Exam 1 Questions With Verified Answers

Hematology - Answer Study of blood cells 5 Liters - Answer The human body possesses about ______ of blood. 20-30 seconds - Answer Once blood is pumped out of the heart, it takes ______ to make a complete trip through circulation and return to the heart. Carbon dioxide - Answer Blood transports oxygen from the lungs to the tissues and clears tissues of ______. 3 - Answer When whole blood is centrifuged down, it is made up of _____ components. 55% - Answer Plasma makes up about _____ of the total blood. Plasma - Answer ______ is the liquid component of blood, in which RBCs, WBCs, and platelets are suspended. Dissolved salts (electrolytes) and proteins - Answer Plasma consists mostly of what? Less than 1% - Answer The buffy coat makes up about _____ of the total blood. WBCs and platelets - Answer The buffy coat contains ______. 45% - Answer RBCs make up around ______ of the total blood. 650 - Answer 1 WBC : _____ RBCs 20 - Answer 1 Platelet : ______ RBCs Complete blood count - Answer What test is ordered on nearly everyone who visits a physician or is admitted to the hospital? Morphology - Answer Scientific term for the cell's appearance (color, size, shape, cytoplasmic inclusions, and nuclear condensaton. 120 days - Answer RBCs exist in peripheral circulation for _____. Protein - Answer RBCs lack a nucleus, mitochondria, and are unable to synthesize ______. Volume - Answer RBC have more surface area than ____ which creates a soft, pliable cell. Hemoglobin - Answer Reddish protein that gives RBCs its color 6-8 microns - Answer What size are RBCs? 1/3 - Answer RBC's central pallor occupies how much of their center? 90 femtoliters - Answer RBCs have a mean volume of what? Glucose, fats, and proteins - Answer In addition to carrying oxygen and carbon dioxide to and from all tissues, RBCs transport _____. Liver and kidneys - Answer RBCs move wastes from the tissues to the ______. Oxygen Carbon dioxide - Answer _____ is used by cells to produce energy that the body needs, leaving _____ as a waste product. Anemia - Answer When the removal of RBC's from the blood is increased and cannot be compensated for by an increase in bone marrow production Anemia - Answer The loss of oxygen-carrying capacity when the delivery of RBC's to circulation is decreased Hypoxia - Answer When anemia develops, the end result is tissue _____. Kidneys - Answer Hypoxia stimulates increased erythropoietin by the kidneys. Erythropoietin - Answer Hormone responsible for RBC production