BIO 208: A&P - In Class Questions Exam 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Sound vibrations first vibrate | Oval window
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| Hair cells are embedded into what structure in the inner ear? | Basilar membrane
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| Why are steroids so dangerous? | Membrane permeable so they go everywhere in the body, affect gene activity permanently, powerful effects, effect immune system and stress responses
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| Hormones 1&2 have effects A&B. Synergistic effects might have | 10 x (A+B) effects
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| Which of the below best describes pre-adult HGH homeostasis? | Fairly regular oscillations in [HGH]
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| Which is most closely associated with too high (thyroxine)? | Graves disease
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| The maximum number of oxygen molecules (O2) that can bind to a SINGLE hemoglobin molecule is ___? | 4
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| Which WBC has the largest size? | Monocytes
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| The vessel that carries blood with little or no oxygen (O2) from the heart to the lungs is called the ___? | Pulmonary artery
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| Cardiac muscle cells have ___. The SAME as do skeletal muscles. | Myogenic automatic rhythmicity
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| The cardiac pacemaker really refers to the ___? | SA node
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| The cardiac factor the LEAST contributes to STROKE VOLUME is ___? | Cardiac output
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| As Venous Return increases, what effects will it have on Heart Rate, Stroke Volume, and Cardiac Output? | All 3 increase
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| How did Michael lose consciousness from cardiac tachycardia? | Decreased SV caused too low BP
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| If the internal valves in veins stop working properly, what can be the result? | pooling blood in lower veins, varicose veins, lower max cardiac output and lower max Stroke Volume
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| What is the PHYSICAL reason why blood gushes out of the arm if it is cleanly severed? | Decrease in R in arm
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| What is the main reason you give a person (who has lost a lot of blood) intravenous fluids? | To increase their BP
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| Which molecule affects Cardiac Output the least? | N2
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Created by:
nke1992
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