TEAS Science Practice Test #4 2

Question 1

Which of the following describes the function of the nephron?

Accepted Answer

To filter blood and produce urine in the kidneys

Answer

To secrete digestive hormones in the pancreas

Answer

To transport oxygen through the bloodstream

Answer

To transmit nerve impulses in the spinal cord

Question 2

What is the difference between "mitosis" and "meiosis"?

Accepted Answer

Mitosis produces two identical diploid cells; meiosis produces four unique haploid cells

Answer

Mitosis produces gametes; meiosis produces body cells

Answer

Mitosis occurs only in reproductive organs; meiosis occurs throughout the body

Answer

Mitosis involves crossing over; meiosis does not

Question 3

In a food chain, organisms that make their own food through photosynthesis are called:

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Herbivores

Question 4

What is the pH of a neutral solution?

Accepted Answer

7

Answer

0

Answer

10

Answer

14

Question 5

Which of the following best describes the periosteum?

Accepted Answer

The tough, fibrous membrane covering the outer surface of bone

Answer

The spongy inner layer of bone containing marrow

Answer

The cartilage that cushions joints between bones

Answer

The blood vessels that supply the inner compact bone

Question 6

Which macromolecule serves as the primary long-term energy storage in the body?

Accepted Answer

Lipids

Answer

Carbohydrates

Answer

Proteins

Answer

Nucleic acids