| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.63 |
| Score | 0% | 73% |
Universal donor blood can be given to a person with any blood type. Which blood type is the universal donor?
AB |
|
O-negative |
|
O-positive |
|
O |
Blood transfer is limited by the type and Rh factor of the blood. Someone who has Rh-factor negative blood cannot receive blood with a positive type but a person with Rh-factor positive type blood can receive Rh-negative blood. Type O negative blood is the universal donor because it can be given to a person with any blood type. Type AB positive is the universal recipient meaning someone with this blood type can receive any other type of blood.
Which of the following is the smallest component of an element that still retains the properties of the element?
neutron |
|
molecule |
|
atom |
|
element |
An atom is the smallest component of an element that still retains the properties of the element.
Which of these is not a type of fat?
monounsaturated |
|
polyunsaturated |
|
cholesterol |
|
saturated |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).
Which is the proper order of Earth's atmospheric layers from the surface up to space?
mesosphere, thermosphere, stratosphere, troposphere |
|
thermosphere, mesosphere, stratosphere, troposphere |
|
stratosphere, troposphere, mesosphere, thermosphere |
|
troposphere, stratosphere, mesosphere, thermosphere |
The troposphere is the closest layer to Earth, followed by the stratosphere, mesosphere, and finally the thermosphere which borders space.
Carbohydrates are found in:
food additives |
|
sugars and starches |
|
animal sources |
|
vegetable oils |
Carbohydrates are major sources of energy for the body and are found in sugars (fruit, cane sugar, beets) and starches (bread, rice, potatoes, pasta).