wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chapter 22 Part 4

Total questions: 9

Worksheet time: 5mins

Name
Class
Date
1.

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

a)

More, left

b)

More, right

c)

Less, left

d)

Less, right

2.

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

a)

increased, left

b)

increased, right

c)

decreased, left

d)

decreased, right

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

a)

right, increased

b)

right, decreased

c)

left, increased

d)

left, decreased

4.

The majority of CO2 is

a)

bound to hemoglobin (carb-amino-hemoglobin)

b)

converted into carbonic acid

c)

dissolved in the plasma

d)

carried on thrombocytes

5.

The Haldane effect states that as O2 levels increase, hemoglobin's affinity for CO2 ___

a)

increases

b)

decreases

c)

does not change

6.

You're falling asleep during lecture. However, you still breathe. This is moderated by the ___ found in the ___

a)

VRG, pons

b)

VRG, medulla

c)

DRG, pons

d)

DRG, medulla

7.

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 ___

a)

VRG, pons

b)

VRG, medulla

c)

DRG, pons

d)

DRG, medulla

8.

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

a)

Apneustic Center

b)

Pneumotaxic Center

c)

DRG

d)

VRG

9.

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

a)

O2, CO2

b)

CO2, O2