Science NLN PAX Study Guide 208 Questions With Correct Answers

B cells are responsible for antibody production - ️️Which statement about white blood cells is true? Mouth, stomach, and small intestine - ️️Which locations in the digestive system are sites of chemical digestion? Synthesizing calcitriol and secreting erythropoietin, regulating the concentrations of sodium, potassium, chloride, calcium, and other ions, reabsorbing or secreting hydrogen ions and bicarbonate, and detecting reductions in blood volume and pressure - ️️Which of the following are functions of the urinary system? Nuclei - ️️Which of the following structures is unique to eukaryotic cells? The lysosome - ️️What is the cell organelle used for digestion to recycle materials? 2.65g/cm^3 (Distance= mass/volume) - ️️A rock has a mass of 14.3 grams (g) and a volume of 5.4cm^3, what is its density? They do not have valves but veins do - ️️Why do arteries have valves? The right ventricle - ️️If the pressure in the pulmonary artery is increased above normal, which chamber of the heart will be affected first? It increases the pH of the chyme so as to prevent harm to the intestine - ️️What is the purpose of sodium bicarbonate when released into the lumen of the small intestine?