ASVAB General Science Practice Test 450302 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.35
Score	0%	67%

Review

Meteoroids, meteors and meteorites are categorized based on which of the following?

45% Answer Correctly

	their location
	their density
	their temperature
	their size

Solution

Smaller rocks shed by asteroids and comets are called meteoroids. When these rocks reach Earth's atmosphere, they burn up in the mesosphere and become meteors. If a meteor manages to reach the Earth, it is called a meteorite.

Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.

78% Answer Correctly

	raise, decrease
	stabilize, raise
	decrease, raise
	decrease, stabilize

Solution

Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.

Which of the following does not represent the freezing point of water?

50% Answer Correctly

	32°F
	273K
	0°F
	0°C

Solution

The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.

What part of the brain is responsible for for balance, movement, and muscle coordination?

70% Answer Correctly

	cerebrum
	cerebellum
	medulla
	brainstem

Solution

The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.

What is a major difference between the somatic and autonomic nervous systems?

82% Answer Correctly

	one controls thinking, the other controls feeling
	one controls voluntary activity, one controls involuntary activity
	one is inherited, the other is learned
	each belongs to a different nervous system

Solution

Both are part of the peripheral nervous system. The somatic nervous system sends sensory information to the central nervous system and controls voluntary actions while the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.