BMS 300 EXAM4 QUESTIONSANDANSWERS

BMS 300 EXAM4 QUESTIONSANDANSWERSGas exchange occurs in the - ANSWER alveolar sacs. Deoxygenated blood reaches the lungs from the - ANSWER Haemoglobin is said to be saturated - ANSWER The formation of water and carbon dioxide from carbonic acid is catalyzedby-ANSWER Chemoreceptors in the medulla regulate respiratory rate based on the: - ANSWER What effect does the layer of water overlaying epithelial cells of the alveoli have on surface tension? - ANSWER increases Surface tension The elastic recoil of the lungs back to their original volume is an active process- ANSWER false What is the role of the type I pneumocytes? - ANSWER Responsible for gasexchange that takes place in the alveoli When exposed to an allergen, can bind a fragment of that component through its antibody on the apical surface. This binds andcausesthe release of .There are receptors on the smooth muscle that canBMS 300 EXAM4 QUESTIONSANDANSWERS ONLYSTRUDENTS STORE 2025 ALL THE BEST ONLYSTRUDENTS STORE 2 DO NOT COPY The diaphragm is muscle which is depolarized by the neurotransmitter which binds to receptors. - ANSWER skeletal, acetylcholine, nicotinic When the shape of a curve is sigmoidal this indicates what? - ANSWERcooperative binding Oxygen moves from the to the , whichisfrom high concentration to low concentration - ANSWER Alveoli, pulmonarycapillaries The atmospheric pressure in Fort Collins is about 630 mmHg. You wouldexpect the atmospheric pressure in Death Valley, which is belowsea level, tobe: - ANSWER greater than 630 mmhg The escape of carbon dioxide and resulting flatness of your beverage whenopening a nice cold "soda" is an example of: - ANSWER henrys lawBy lowering the surface tension, surfactant (soap): - ANSWERincreaselungcompliancedecrease lung elastic recoil bind that compound and the muscle which decreasestheradius of the vessel. - ANSWER mast cells IgE histamine contracts ONLYSTRUDENTS STORE 2025 ALL THE BEST ONLYSTRUDENTS STORE 3 DO NOT COPY In tissues, CO2 will get converted into through carbonic anhydrase. In the lungs, the carbonic anhydrase coverts that into which then diffuses into the lungs. - ANSWERH+andHCO3-, H2O and CO2 While climbing a 14er, you realize that the urge to breath has increased. What compound is responsible for driving a circuit to activate LMNs innervatingthediaphragm? - ANSWER H+ Chemoreceptors that monitor the peripheral levels of oxygen and carbondioxide are located in: - ANSWER aortic and carotid body Approximately 70% of the carbon dioxide in the blood is transported as: - ANSWER HCO3- bicarbonate The three major renal system functions are: - ANSWER excretion of Nitrogenous waste salt and water balance blood pH Which of the following is the correct order of blood flow through the renal corpuscle? - ANSWER Afferent arteriole, glomerulus, efferent arterioleThe epithelial cells of Boman's capsule are called . - ANSWER podocytes