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WorksheetsChapter 22 Part 4
Total questions: 9
Worksheet time: 5mins
You're hiking in the arctic and become hypothermic. ___ O2 is released from hemoglobin resulting in a shift to the ___ on the Oxyhemoglobin Saturation Curve
More, left
More, right
Less, left
Less, right
While pumping iron, you feel the burn. That's because of a buildup of lactic acid. This will result in ___ pH and a shift to the ___ on the Oxyhemoglobin Saturation Curve
increased, left
increased, right
decreased, left
decreased, right
Fetal hemoglobin contains gamma chains instead of beta chains which do not bind to 2,3-Diphosphoglyceric acid resulting in a shift to the ___ on the Oxyhemoglobin Saturation Curve due to ___ O2 binding affinity
right, increased
right, decreased
left, increased
left, decreased
The majority of CO2 is
bound to hemoglobin (carb-amino-hemoglobin)
converted into carbonic acid
dissolved in the plasma
carried on thrombocytes
The Haldane effect states that as O2 levels increase, hemoglobin's affinity for CO2 ___
increases
decreases
does not change
You're falling asleep during lecture. However, you still breathe. This is moderated by the ___ found in the ___
VRG, pons
VRG, medulla
DRG, pons
DRG, medulla
You wake up from your deep slumber because someone decided to let a lion run loose on campus. As you run away, your respirations becomes more forceful which is moderated by the ___ found in the ___
VRG, pons
VRG, medulla
DRG, pons
DRG, medulla
You become hypercapnic as your running, so to breathe off excess CO2, your breaths become shorter but more rapid. This is mostly moderated by the
Apneustic Center
Pneumotaxic Center
DRG
VRG
Peripheral chemoreceptors primarily respond to changes in ___ while the central chemoreceptors respond to changes in ___
O2, CO2
CO2, O2
