MEGA
Energy in Biology
Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numer…
Item EB071001: The amount of carbon dioxide is greater in blood vessels entering the lungs than in blood vessels exiting the lungs, whereas the amount of oxygen is less in blood vessels entering the lungs than in blood vessels exiting the lungs.
A person measures the levels of carbon dioxide and oxygen in the vessels carrying blood to the lungs and in vessels carrying blood from the lungs. Which of the following pairs of graphs represents the amount of carbon dioxide and the amount of oxygen in the blood vessels entering and exiting the lungs?
Pre-Test
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 131 |
6–8 n = 0 |
9–12 n = 112 |
Male n = 65 |
Female n = 50 |
English n = 102 |
Other n = 6 |
||
| A. |
 |
15% | NAN% | 16% | 23% | 6% | 16% | 17% |
| B. |
 |
53% | NAN% | 53% | 51% | 58% | 53% | 50% |
| C. |
 |
18% | NAN% | 17% | 17% | 14% | 18% | 17% |
| D. |
 |
15% | NAN% | 14% | 9% | 22% | 14% | 17% |
Post-Test
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 157 |
6–8 n = 0 |
9–12 n = 145 |
Male n = 79 |
Female n = 64 |
English n = 133 |
Other n = 10 |
||
| A. |
|
11% | NAN% | 10% | 13% | 8% | 10% | 10% |
| B. |
|
62% | NAN% | 66% | 61% | 70% | 65% | 70% |
| C. |
|
22% | NAN% | 19% | 20% | 20% | 20% | 10% |
| D. |
|
5% | NAN% | 5% | 6% | 2% | 5% | 10% |