QUESTION 37 The initial stage of atherosclerosis is characterized by ? LDL ? VLD
ID: 270090 • Letter: Q
Question
QUESTION 37 The initial stage of atherosclerosis is characterized by ? LDL ? VLDL O HDL ? VHDL beneath the endothelium of excessive amounts of QUESTION 38 The role of the hormone erythropoietin is to: O stimulate red blood cell production O stimulate immune cells production O increase water retention O increase urine volume QUESTION 39 How much can alveolar ventilation increase during heary exercise in order to keep pace with the increased demand for 02 uptake and CO2 output? O 20 folds 0 10 folds 0 5 folds 0 40 folds QUESTION 40 What constitutes the largest portion of the blood? O plasma O red blood cells white blood cellsExplanation / Answer
37. Answer is B
VLDL are responsible for the formation of plaque due to their low density they can reach to the last due to less resistance against blood flow.
38. Answer is A
Erythropoiten is produced by kidney ( interstitial fibroblasts in close association with the peritubular capillary) act on the bone marrow to increase the RBC formation.
39. Answer is A
Alveolar Ventilation increases 20 folds during heavy exercise to keep pace with increased demand of O2 uptake and CO2 Output. During excercise, ventilation increases at the onset of exercise within seconds, long before arterial blood gases could become important which requires minutes.
40. Answer is Plasma
About 55% of blood is Blood Plasma, the red blood cells constitute about 45% of whole blood.