TEAS Science Practice Test #3 2

Question 1

Which type of muscle tissue is found in the walls of the digestive tract and blood vessels?

Accepted Answer

Smooth muscle

Answer

Skeletal muscle

Answer

Cardiac muscle

Answer

Striated muscle

Question 2

What is the purpose of meiosis in human reproduction?

Accepted Answer

To produce gametes (sperm and egg cells) with half the normal chromosome number

Answer

To produce identical copies of somatic (body) cells

Answer

To repair damaged DNA in body cells

Answer

To allow cell growth and replacement throughout life

Question 3

Which of the following best describes the function of the lymphatic system?

Accepted Answer

To return excess interstitial fluid to the bloodstream and support immune defense

Answer

To pump blood throughout the body

Answer

To filter blood and remove waste products

Answer

To regulate hormone production and release

Question 4

In the scientific method, what is a "hypothesis"?

Accepted Answer

A testable, falsifiable prediction about the outcome of an experiment

Answer

A proven fact supported by extensive research

Answer

A conclusion drawn from experimental data

Answer

A summary of all existing knowledge on a topic

Question 5

Which element has the atomic number 8?

Accepted Answer

Oxygen

Answer

Carbon

Answer

Nitrogen

Answer

Fluorine

Question 6

Which hormone, produced by the adrenal glands, is released in response to acute stress?

Accepted Answer

Epinephrine (adrenaline)

Answer

Insulin

Answer

Cortisol

Answer

Estrogen