ASVAB General Science Practice Test 950771 Results

	Your Results	Global Average
Questions	5	5
Correct	0	2.97
Score	0%	59%

Review

Antigens are found on the outside of which blood cells?

54% Answer Correctly

	white
	plasma
	red
	platelets

Solution

Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.

Regulation of heart rhythm occurs in:

61% Answer Correctly

	cerebrum
	cerebellum
	medulla
	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.

Which of blood component allows blood to clot?

74% Answer Correctly

	white blood cells
	plasma
	red blood cells
	platelets

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.

The dwarf planet Pluto is located where?

63% Answer Correctly

	in the asteroid belt
	between the orbits of Jupiter and Saturn
	outside the solar system
	in the Kuiper Belt

Solution

The Kuiper Belt is similar to the asteroid belt but much larger. Extending beyond the orbit of Neptune, it contains objects composed mostly of frozen methane, ammonia, and water. Most notably, the Kuiper Belt is home to Pluto, a dwarf planet that, until a 2006 reclassification, was considered the ninth planet of the solar system.

In the food chain, omnivores may be which of the following?

45% Answer Correctly

	secondary or tertiary consumers
	primary or tertiary consumers
	primary or secondary consumers
	secondary consumers or scavengers

Solution

Secondary or tertiary consumers may be omnivores.