PLEASE ANSWER ALL 5 QUESTIONS! THANK YOU :) The flow of blood moving through cap
ID: 96940 • Letter: P
Question
PLEASE ANSWER ALL 5 QUESTIONS! THANK YOU :)
The flow of blood moving through capillaries beds is the same as the flow moving through veins True False The difference in osmotic pressure between the blood and interstitial fluid is largely due to which compound? Salts circulating in the blood Proteins circulating in the blood Vaopressin circulating in the blood Cholesterol circulating in the blood In which part of the circulatory system will blood PO_2 be highest? Vena cava Pulmonary vein Right ventricle Pulmonary artery Which of the following conditions would increase the P_50 of hemoglobin? None of the above Decrease in temperature increase in blood P_CO2 Increase in blood pH Which of the following will NOT facilitate the transfer of oxygen to the tissues? increased exercise decreased pH of the blood increased carbon dioxide decreased body temperatureExplanation / Answer
1.Correct answer is:False
Reason:This is because blood flow in capillaries is slower than in veins as there occurs exchange of nutrients and gases in the capillary bed.
2.Correct answer is:Proteins circulating in the blood.
Reason:Proteins in blood are the major contributors to the difference in the osmotic pressure.
3.Correct answer is:Pulmonary vein
Reason:Since pulmonary vein carries oxygenated blood from the lungs, its PO2 will be highest.
4.Correct answer is:Increase in PCO2.
Reason:Increase in PCO2 decreases the pH and shifts the oxyhemoglobin curve to the right ,decreasing the affinity of hemoglobin for oxygen and hence increasing the P50 of hemoglobin.
5.Correct answer is :decreased body temperature
Reason: A lower temperature shift the oxyhemoglobin dissociation curve towards left in which hemoglobin's affinity for oxygen is more and hence oxygen is available less to the tissues.
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