Which ligament is a severely hyperextended knee more likely to damage: the ACL or the PCL?
A) ACL
B) PCL
Answer: A
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If the arterial blood pressure in the brain is suddenly decreased, the flow through arterioles in the brain will immediately fall and then which of these will occur next?
A. Brain arterioles will constrict to accelerate blood flow through the brain capillaries. B. Brain arterioles will dilate due to a decrease in levels of CO2. C. Blood flow will rise to levels above normal due to excess O2 levels. D. Blood flow will remain at the new, lower level due to reactive hyperemia. E. Blood flow will return toward its original level due to flow autoregulation.
Increase in ECF osmolarity
a. stimulates the osmoreceptors in the hypothalamus and causes the release of vasopressin (ADH). b. may decrease systemic blood pressure. c. may cause vasodilation in order to increase arterial blood pressure. d. may cause the release of vasopressin and a decrease in systemic blood pressure. e. may decrease systemic blood pressure and cause vasodilation.
Which of the following will reduce the glomerular filtration rate?
A. Angiotensin II B. Increased GHP C. ADH D. Aldosterone
Fat is broken down into fatty acids and glycerol by
A- amylase B- lactase C- lipase D- trypsin