test3key - FORM A Name Anatomy and Physiology 212 Test#3 50...

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FORM- A Name: _____________________ Anatomy and Physiology 212: Test #3: 50 points ON YOUR SCANTRON, PUT YOUR NAME AND TEST FORM LETTER ON FRONT! PUT YOUR STUDENT ID NUMBER ON THE TOP OF THE BACK OF YOUR SCANTRON YOU MAY WRITE ON THIS TEST, although it will not be given back. Multiple Choice (1 pt each): Choose the one best answer for each question on scantron (double check for smears) and put “written” answers on the back of the scantron. 1) What type of pneumothorax represents a hole in the thoracic wall that serves as a one way valve (air enters pleural cavity, but cannot escape…. . nasty!) . a) Open b) Tension c) Closed 2) If you have asthma, your FEV1 would probably be about what? a) 90% of vital capacity b) 80% of vital capacity c) 60% of vital capacity 3) If blood flow to the brain stops immediately and completely (i.e. decapitation or heart attack), unconsciousness occurs in about _______ and brain cell death starts in about ______. a) 5 seconds, 15 minutes b) 3 minutes, 5 minutes c) 15 seconds, 5 minutes 4) If the atmospheric pressure was 760 mmHg, the partial pressure of oxygen in a normally ventilated alveoli would be about what? a) 160 mmHg O 2 b) 105 mmHg O 2 c) 10 mmHg O 2 5) The partial pressure of oxygen in a systemic artery is about_____mmHg in the arterial blood and the partial pressure of oxygen in a systemic vein is about ______ mmHg . a) 40, 80 b) 40, 100 c) 95, 40 d) 95, 100 e) 160, 90 6) A complete failure to breath is called what? a) Apnea b) Eupnea c) Breaking point d) Dead space e) Dyspnea 7) Where in your lung would the ventilation to perfusion ratio be the worst ? (assume you are standing). a) Top near clavicles Lots or air and less perfusion due to effect of gravity b) Middle c) Bottom near diaphragm…low V/P ratio means less air and more blood than normal due to effect of gravity on blood pressure 8) The respiratory centers of the ________determines when breathing occurs while you sleep by detecting changes in the blood pH (amount of CO2 and Protons). a) Medulla b) Cerebral cortex c) Sympathetic chain ganglia of thorax 9) Pulmonary arterioles ___________when they encounter hypoxia, this way blood is distributed away from regions that are not ventilated. a) Vasoconstrict b) Vasodilate 10) _______refers to a normal quite breathing pattern of about 12 breaths/minute. a) Eupnea b) Dyspnea c) Hypernea d) Breaking Point 11) _______hypoxia could be observed in a person who was unable to produce erythrocytes due to an inability to produce erythropoietin in the kidney? a) Hypercapnic b) Ischemic c) Anemic d) Hypoxic 12) Mouth-to-mouth resuscitation is a _______pressure method for inflating another persons lungs. a) Positive air pressure b) Negative air pressure
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13) ______normally prevents pulmonary arterial blood from completely perfusing the top of the lung (assuming you are standing up). a) Vasodilation
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test3key - FORM A Name Anatomy and Physiology 212 Test#3 50...

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