| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.32 |
| Score | 0% | 66% |
Which of the following states of matter exists at the highest temperature?
solid |
|
liquid |
|
gas |
|
none of these |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
The __________ nervous system regulates involuntary activity in the heart, stomach, and intestines.
central |
|
peripheral |
|
autonomic |
|
somatic |
Part of the peripheral nervous system, the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
Which of these foods should a person with high cholesterol avoid?
avocados |
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vegetable oils |
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eggs |
|
olive oil |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils). Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
The heat from the Sun traveling to Earth is an example of which of the following?
conduction |
|
radiation |
|
electricity |
|
convection |
Radiation occurs when electromagnetic waves transmit heat. An example is the heat from the Sun as it travels to Earth.
In the pancreas, lipase converts fat to:
glycerol and fatty acids |
|
simple sugars |
|
complex carbohydrates |
|
amino acids |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.