| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.30 |
| Score | 0% | 66% |
Which of blood component carries oxygen?
white blood cells |
|
plasma |
|
platelets |
|
red blood cells |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of:
1 mph to a mass of 1 kg |
|
1 m/s2 to a mass of 1 kg |
|
1 m/s2 to a mass of 1 kg/s2 |
|
1 m/s to a mass of 1 kg |
Weight is a force that describes the attraction of gravity on an object. Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of 1 m/s2 to a mass of 1 kg.
The Rh factor antigen in blood determines:
universal recipient status |
|
blood type |
|
universal donor status |
|
postive or negative |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.
Which of the following is not a base unit in the metric system?
meter |
|
degree Fahrenheit |
|
liter |
|
gram |
The Fahrenheit scale is used for measuring temperature in the British system. The metric system uses the Celsius scale.
In the food chain, omnivores may be which of the following?
secondary or tertiary consumers |
|
primary or secondary consumers |
|
primary or tertiary consumers |
|
secondary consumers or scavengers |
Secondary or tertiary consumers may be omnivores.