TEAS Science Practice Test #2 2

Question 1

What is the primary function of red blood cells (erythrocytes)?

Accepted Answer

Transport oxygen and carbon dioxide

Answer

Fight infection

Answer

Initiate blood clotting

Answer

Produce antibodies

Question 2

Which part of the neuron transmits electrical impulses away from the cell body?

Accepted Answer

Axon

Answer

Dendrite

Answer

Myelin sheath

Answer

Nucleus

Question 3

In chemistry, what is a "solution"?

Accepted Answer

A homogeneous mixture in which a solute is dissolved in a solvent

Answer

A pure substance with fixed composition

Answer

A heterogeneous mixture with visible particles

Answer

A compound formed during a chemical reaction

Question 4

Which organ system is primarily responsible for regulating body temperature, water balance, and waste elimination through sweat?

Accepted Answer

Integumentary system

Answer

Urinary system

Answer

Lymphatic system

Answer

Endocrine system

Question 5

What happens during the process of cellular respiration?

Accepted Answer

Glucose is broken down to produce ATP (energy)

Answer

Cells absorb sunlight to produce glucose

Answer

Oxygen is converted into carbon dioxide

Answer

Proteins are synthesized from amino acids

Question 6

Which of the following correctly describes a "covalent bond"?

Accepted Answer

The sharing of electron pairs between non-metal atoms

Answer

The transfer of electrons between a metal and a non-metal

Answer

The attraction between oppositely charged ions

Answer

The weak attraction between water molecules