bios 255 test - –Answer right atrium; deoxygenated 2. name th...

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bios 255 test

• name the structure and whether it contains oxygenated or deoxygenated blood

–Answer right atrium; deoxygenated

• name the structure

–Answer aortic semilunar valve

• oxygen is carried by cells. it binds to proteins called that contain iron

–Answer erythrocytes; hemoglobin

• of the formed elements, which cells are responsible for immune function, clotting, and gas

transfer-in that order?–Answer leukocytes, platelets, erythrocytes

• what are the major functions of blood? (you must name 3)

–Answer 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. calcu- late output of this patient –Answer CO=SVxHR=70ml/beat/min=4900ml/min=4.9L/min

• which ions mediate the upstroke, plateau, and downstroke of a cardiac ac- tion potential.

indicate the contraction phase that correlates to these events-

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–Answer upstroke=sodium; depolarization plateau=calcium; contraction downstroke=potassium; relaxation

• what are the three layers of the heart?

–Answer epicardium, myocardium, endocardium

• what is the fluid filled sac called that surrounds the heart?

–Answer pericardium

• when red blood cells get broken down, the iron molecule is transferred from the

macrophage to the liver with which transfer protein?–Answer transferrin

• Which wave indicates atrial depolarization?

–Answer P wave

• what makes up this component of whole blood?

–Answer serum, water, plasma proteins, nutrients, dissolved gases and electrolytes

• what type of white blood cell is displayed in this image

–Answer eosinophils

• where does the breakdown of red blood cells start?

–Answer in a macrophage

• what is the process of emigration/extravasation and what subtype of WBC's most

commonly conduct it –Answer WBCs leaving vessels and migrating to ex- ternal infections- neutrophils and monocytes

• what classifies an individual as anemic?
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