AP 2 Lab Practical 1 Indiana Wesleyan University with 100% correct answers 2024

What are the functions of the Lymphatic System? 1. Transports fluid to blood vessels. 2. Removes foreign material such as bacteria and debris from lymphatic stream. 3. Allows lymphocytes to monitor body fluids. What is the distribution of Lymph Vessels and Nodes? Lymph Capillaries- Lymph Collecting Vessels- Lymphatic trunks- Right Lymphatic duct (drains into R. Subclavian vein)- Thoracic duct (drains into L. Subclavian vein)- Lymph Nodes- other lymphoid organs. Cisterna Chyli the enlarged end of the thoracic duct that receives lymph from the digestive viscera. What is the largest lymphatic vessel? Thoracic Duct What does a Lymph Node do? Lymph nodes filter and clean lymph of debris. What is the largest lymphoid organ? Spleen What does the spleen do for in a fetus? site of erythrocyte production What structure is similar to the spleen structure? lymph node What happens to thymus in adult hood? thymus diminishes What are the four types of tonsils? -Palatine - Lingual - Pharyngeal - Tubal What are the characteristics of blood? - Blood is the only liquid connective tissue in the body. - Blood has many functions including: the transport of oxygen and the transport of nutrients. - Blood color varies dependent on just how oxygenated it is. What is the blood volume in males and in females? Males= 5-6 liters Females= 4-5 liters What are the two basic components of blood? Plasma and formed elements Plasma -55% of blood -90% water - 100 different substances dissolved in it. What are the formed elements? - Erythrocytes - Leukocytes - Platelets What is the color of plasma? Naturally straw-colored What is serum? Plasma without clotting factors Why are red blood cells biconcave? increase surface area What is the most numerous blood cells? erythrocytes How long do red blood cells live? 100-120 days What are the granulocytes? neutrophils, eosinophils, basophils What are the agranulocytes? lymphocytes and monocytes What is the acronym for Leukocyte relative amount? Never Let Monkeys Eat Bananas What is the most abundant leukocyte? Neutrophils What leukocyte is attracted to sites of tissue injury where they migrate into tissues and kill bacteria by phagocytosis? Neutrophils What leukocyte increases its numbers during infection? Ex: Menengitis Neutrophils What is pus? dead netrophils What leukocyte is the smallest but second most common? Has a large nucleus but no granules. Lymphocytes What leukocyte has very little cytoplasm? Lymphocytes Which lymphocyte produces antibodies also known as immunoglobulins? B Lymphocytes Which lymphocyte plays a role in cell mediated immunity? T Lymphocytes What is the largest leukocyte? 3rd most abundant, twice the size of Red Blood Cells, bi lobed and has no granules. Monocytes What leukocyte functions as long-term phagocytes? During prolonged infections they become macrophages and play clean up (like dead neutrophils) Monocytes