Urine & Body Fluid Analysis Exam 1 || With Questions & Answers (100% Correct)

Urine & Body Fluid Analysis Exam 1 || With Questions & Answers (100% Correct) Urine & Body Fluid Analysis Exam 1 || With Questions & Answers (100% Correct) Components of the urinary system - ANSWER - Kidneys, ureters, bladder, urethra Major functions of the kidneys - ANSWER - -Regulation of body fluids, acid-base balance, electrolyte balance -Excretion of waste products and foreign chemicals -Secretion of hormones (EPO) -Maintaining blood pressure Renal function is influenced heavily by - ANSWER - blood volume, pressure, composition and hormones from the adrenal and pituitary glands; *circulatory system is crucial* What are the three major processes that lead to the formation of urine - ANSWER - 1) Filtration 2) Reabsorption 3) Secretion Filtration - ANSWER - Occurs in the glomerulus; renin-angiotensin-aldosterone feedback system Reabsorption - ANSWER - Movement from filtrate to blood; filtered renal plasma is called "ultrafiltrate" Secretion - ANSWER - Movement from blood to filtrate; removes unneeded foreign waste substances not filtered by the glomerulus; mostly occurs in distal convoluted tubule What is the functional unit of the kidney? - ANSWER - nephron; about 1-1.5 million present in each kidney Function of the glomerulus - ANSWER - Filtration of the blood/ filtration of water and dissolved substances from the plasma Function of the tubules - ANSWER - Reabsorption of substances: glucose, NaCl, amino acids, potassium, water, calcium, urea Function of the Loop of Henle - ANSWER - Recovery of water and sodium chloride from the urine Role of Antidiuretic hormone (ADH) - ANSWER - -secreted by pituitary gland -regulates the reabsorption of water in the distal convoluted tubule & collected tubule What is tubular secretion? - ANSWER - Movement from blood to filtrate