ATI TEAS 7 Science – Set 5 (2025) Study Guide & Real Practice Questions

ATI TEAS 7 Science – Set 5
(2025) Study Guide & Real
Practice Questions




Which of the following contains a human's hereditary information?

a. ATP

B. Chromatin

C. Plasmids

D. Histones - ANS ✔---B. Chromatin



If A represents atomic mass and Z represents atomic number, which of the following describes an atom
after a proton is emitted from its nucleus?

A. A+ 1, Z + 1

B. A + 1, Z - 1

C. A - 1, Z - 1

D. A - 1, Z + 1 - ANS ✔---C. A - 1, Z - 1

, Which of the following types of cells stimulates other immune cells to attack and destroy foreign
agents?

A. Helper T-cells

B. Plasma cells

C. Cytotoxic T-cells

D. Natural killer cells - ANS ✔---A. Helper T-cells



Experiments cannot validate hypotheses, only falsify them.

The statement above can be restated in which of the following ways?



A. A hypothesis that has not been falsified remains provisional

B. Certain concepts cannot be subjected to direct experimentation

C. Proving a hypothesis exempts it from further testing

D. Until disproved, an explanation for an observation is valid - ANS ✔---A. A hypothesis that has not
been falsified remains provisional



Which of the following substances is excreted by sweat glands in response to the breakdown of proteins
and the formation of ammonia?

A. Sebum

B. Water

C. Urea

D. Lysozymes - ANS ✔---C. Urea



Which of the following tissues lines the interior surfaces of the heart?

A. Myocardium

B. Epicardium

C. Endocardium

D. Pericardium - ANS ✔---C. Endocardium



Which of the following is classified as a noninfectious disease?