bios 255 exam 1 Questions And Answers
name the structure and whether it contains oxygenated or deoxygenated blood - -right
atrium; deoxygenated
-name the structure - -aortic semilunar valve
-oxygen is carried by _______ cells. it binds to proteins called ______ that contain iron - -
erythrocytes; hemoglobin
-of the formed elements, which cells are responsible for immune function, clotting, and gas
transfer-in that order? - -leukocytes, platelets, erythrocytes
-what are the major functions of blood? (you must name 3) - -1) plays a role in immune
function
2) temp regulation
3) pH regulation
4) gas/nutrients/ waste transport
5) regulates water loss
-a patient has a stroke volume of 70ml/beat, a heart rate of 70 beats/min, a mean arterial
pressure of 100, systolic BP of 95 and diastolic BP of 60. calculate output of this patient - -
CO=SVxHR=70ml/beat/min=4900ml/min=4.9L/min
-which ions mediate the upstroke, plateau, and downstroke of a cardiac action potential.
indicate the contraction phase that correlates to these events - -upstroke=sodium;
depolarization
plateau=calcium; contraction
downstroke=potassium; relaxation
-what are the three layers of the heart? - -epicardium, myocardium, endocardium
-what is the fluid filled sac called that surrounds the heart? - -pericardium
-when red blood cells get broken down, the iron molecule is transferred from the
macrophage to the liver with which transfer protein? - -transferrin
-Which wave indicates atrial depolarization? - -P wave
-what makes up this component of whole blood? - -serum, water, plasma proteins,
nutrients, dissolved gases and electrolytes
-what type of white blood cell is displayed in this image - -eosinophils
-where does the breakdown of red blood cells start? - -in a macrophage
name the structure and whether it contains oxygenated or deoxygenated blood - -right
atrium; deoxygenated
-name the structure - -aortic semilunar valve
-oxygen is carried by _______ cells. it binds to proteins called ______ that contain iron - -
erythrocytes; hemoglobin
-of the formed elements, which cells are responsible for immune function, clotting, and gas
transfer-in that order? - -leukocytes, platelets, erythrocytes
-what are the major functions of blood? (you must name 3) - -1) plays a role in immune
function
2) temp regulation
3) pH regulation
4) gas/nutrients/ waste transport
5) regulates water loss
-a patient has a stroke volume of 70ml/beat, a heart rate of 70 beats/min, a mean arterial
pressure of 100, systolic BP of 95 and diastolic BP of 60. calculate output of this patient - -
CO=SVxHR=70ml/beat/min=4900ml/min=4.9L/min
-which ions mediate the upstroke, plateau, and downstroke of a cardiac action potential.
indicate the contraction phase that correlates to these events - -upstroke=sodium;
depolarization
plateau=calcium; contraction
downstroke=potassium; relaxation
-what are the three layers of the heart? - -epicardium, myocardium, endocardium
-what is the fluid filled sac called that surrounds the heart? - -pericardium
-when red blood cells get broken down, the iron molecule is transferred from the
macrophage to the liver with which transfer protein? - -transferrin
-Which wave indicates atrial depolarization? - -P wave
-what makes up this component of whole blood? - -serum, water, plasma proteins,
nutrients, dissolved gases and electrolytes
-what type of white blood cell is displayed in this image - -eosinophils
-where does the breakdown of red blood cells start? - -in a macrophage
