ASVAB General Science Practice Test 356256 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.36
Score	0%	67%

Review

Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?

66% Answer Correctly

	conduction
	reflection
	radiation
	convection

Solution

Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.

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

63% Answer Correctly

	medulla
	cerebrum
	cerebellum
	spinal cord

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.

Regulation of heart rhythm occurs in:

61% Answer Correctly

	cerebrum
	medulla
	cerebellum
	nerves

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.

Most digestion takes place where?

65% Answer Correctly

	mouth
	small intestine
	large intestine
	stomach

Solution

The small intestine is where most digestion takes place. As food travels along the small intestine it gets broken down completely by enzymes secreted from the walls. These enzymes are produced in the small intestine as well as in the pancreas and liver. After the enzymes break down the food, the resulting substances are then absorbed into the blood via capillaries in the small intestine walls.

Which of these is not a component of blood?

82% Answer Correctly

	red blood cells
	white blood cells
	plasma
	marrow

Solution

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.