Chapter 22 Part 4

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

Tags

NGSS.HS-LS1-3

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

Tags

NGSS.HS-LS1-3

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

Tags

NGSS.HS-LS1-3

Peripheral chemoreceptors primarily respond to changes in ___ while the central chemoreceptors respond to changes in ___

• O2, CO2

• CO2, O2