Bio 139 Bctc Lab Exam #1 Latest Update

Sphygmomanometer {Ans: instrument used for measuring blood pressure}Pulse Pressure {Ans: difference between the systolic and diastolic pressure}Stroke Volume (SV) {Ans: mL of blood per beat SV= EDV-ESV}End Systolic Volume (ESV) {Ans: volume left inside the ventricle after injection}Name 2 hormones that directly increase blood volume. {Ans: Aldosterone, Anti-diuretic hormone}Arterial Baroreflex {Ans: reflex mechanism by which baroreceptors regulate blood pressure that includes transmission of nerve impulses from the baroreceptors to the medulla in response to change in BP and produces vasodilation and a decreased HR when increased BP and vasoconstriction and increased HR when decreased BP}A condition resulting in an excess number of white blood cells. {Ans: Leukocytosis}Categorize into: A. Factors that increase blood pressure B. Factors that decrease blood pressure Decrease blood volume {Ans: B.}Excessive sweating will result in a short term _______ in blood volume and a ______ in blood pressure. {Ans: decrease, decrease}Cardiac Output {Ans: amount of blood pumped in one minute CO=HR x SV}Leukopenia {Ans: abnormally low WBC count}This blood type has no antigens, and antibodies A & B. {Ans: O}If antigen Rh is present, what does this mean. {Ans: The person is positive