ASVAB General Science Practice Test 169233 Results

Your Results Global Average
Questions 5 5
Correct 0 2.94
Score 0% 59%

Review

1

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

70% Answer Correctly

brainstem

medulla

cerebrum

cerebellum
Solution

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

2

Veins carry blood __________ the heart.

55% Answer Correctly

away from

back to 

within

all of these
Solution

Veins carry blood back to the heart from the body. While arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood. Like the heart, veins contain valves to prevent blood backflow.

3

Small rocks shed by asteroids and comets that reach the earth are called:

60% Answer Correctly

meteorites

meteoroids

shooting stars

meteors
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.

4

What part of the nervous system is responsible for controlling involuntary actions like breathing, swallowing, and heartbeat?

63% Answer Correctly

medulla

cerebrum

spinal cord

cerebellum
Solution

Part of the brainstem, the medulla is the connection between the brain and the spinal cord. It controls involuntary actions like breathing, swallowing, and heartbeat.

5

Which of the following describes the Earth's outer core?

45% Answer Correctly

primarily solid

liquid

solid

makes up most of the Earth's volume
Solution

The Earth's core is divided into the liquid outer core (1,430 miles or 2,300 km radius) and the solid inner core (745 miles or 1,200 km radius).