| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.82 |
| Score | 0% | 76% |
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
decrease, raise |
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decrease, stabilize |
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raise, decrease |
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stabilize, raise |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
Momentum is a measure of how difficult it is for a moving object to stop. Which of the following is the formula for momentum?
\(\vec{p} = {m \over \vec{v}}\) |
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\(\vec{p} = m\vec{v}\) |
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none of these |
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\(\vec{p} = { \vec{v} \over m}\) |
Momentum is a measure of how difficult it is for a moving object to stop and is calculated by multiplying the object's mass by its velocity: \(\vec{p} = m\vec{v}\). Like velocity, momentum is a vector quantity as it expresses force applied in a specific direction.
Which of these is important for the body's maintenance, growth, and repair?
fiber |
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carbohydrates |
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protein |
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fats |
Found in both animal sources (meat, fish, eggs, cheese) and vegetables (beans, nuts, some grains), proteins are important for the body's maintenance, growth, and repair.
Menstruation occurs when:
the zygote is formed |
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the ovum fails to become fertilized |
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the fetus is formed |
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the ovum becomes fertilized |
If the ovum fails to become fertilized, the lining of the uterus sloughs off during menstruation. From puberty to menopause, this cycle of menstruation repeats monthly (except during pregnancy).
In the metric system, what prefix represents 10-3?
kilo |
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centi |
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milli |
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mega |
In the metric system, milli is the prefix for 10-3.