| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.44 |
| Score | 0% | 69% |
Which of the following indicates the correct reproductive sequence?
zygote → ovum → fetus |
|
ovum → fetus → zygote |
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none of these are correct |
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ovum → zygote → fetus |
During intercourse, the penis ejaculates sperm, produced in the testes, into the vagina. Some of the sperm makes their way to the uterus where, if they encounter an egg to fertilize, unite with the ovum to form a fertilized egg or zygote. The zygote then may implant in the uterus and eventually develop into a fetus.
Which of these foods should a person with high cholesterol avoid?
vegetable oils |
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eggs |
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avocados |
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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.
In the metric system, what prefix represents 103?
centi |
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milli |
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mega |
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kilo |
Kilo is the metric system prefix for 103.
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
protein |
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saturated fat |
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fiber |
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unsaturated fat |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.
Which of blood component allows blood to clot?
red blood cells |
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plasma |
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platelets |
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white 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.