BIOS 255 EXAM 1 | QUESTIONS WITH VERIFIED ANSWERS A+ GRADED 2024

BIOS 255 EXAM 1 | QUESTIONS WITH VERIFIED ANSWERS A+ GRADED 2024 name the structure and whether it contains oxygenated or deoxygenated blood Correct Answer right atrium; deoxygenated name the structure Correct Answer aortic semilunar valve oxygen is carried by _______ cells. it binds to proteins called ______ that contain iron Correct Answer erythrocytes; hemoglobin of the formed elements, which cells are responsible for immune function, clotting, and gas transfer-in that order? Correct Answer leukocytes, platelets, erythrocytes what are the major functions of blood? (you must name 3) Correct 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. calculate output of this patient Correct Answer 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 Correct Answer upstroke=sodium; depolarization plateau=calcium; contraction downstroke=potassium; relaxation what are the three layers of the heart? Correct Answer epicardium, myocardium, endocardium what is the fluid filled sac called that surrounds the heart? Correct Answer pericardium when red blood cells get broken down, the iron molecule is transferred from the macrophage to the liver with which transfer protein? Correct Answer transferrin Which wave indicates atrial depolarization? Correct Answer P wave what makes up this component of whole blood? Correct Answer serum, water, plasma proteins, nutrients, dissolved gases and electrolytes what type of white blood cell is displayed in this image Correct Answer eosinophils where does the breakdown of red blood cells start? Correct Answer in a macrophage what is the process of emigration/extravasation and what subtype of WBC's most commonly conduct it Correct Answer WBCs leaving vessels and migrating to external infections- neutrophils and monocytes what classifies an individual as anemic? Correct Answer they