Answers Test Bank 2025/2026
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ATI TEAS 7 Practice Questions and Answers.
1) Chemical bonding –
a. Uses electrons that are closest to the nucleus of the atoms bonding
b. Always uses electrons from only of the atoms involved
c. Uses all the electrons in all atoms involved
d. Uses the valence electrons of all the atoms involved
2) Which of the following would have the most dramatic effect in changing the reaction rate?
a. Decreasing the temperature by two-fold
b. Increasing the pressure by two-fold
c. Decreasing the activation energy by three-fold
d. Decreasing the concentration of reactants by two-fold
3) Group one in the periodic table has valence electrons and is reactive than Group two.
a. Zero; more
b. Zero; less
c. One; less
d. One; more
4) Enzymes are created from amino acid chains. As such, what might prevent the action of an enzyme?
a. A pH close to 7
b. A high temperature
c. The lack of hydrogen ions in solution
d. A lack of ATP in the cell
5) If a scientists want to determine the rate at which an enzyme works, what could he or she measure?
a. The rate at which the enzyme is degraded
b. The rate at which the product disappears
c. The rate at which the reactants disappear
d. The rate at which the products appears
,6) The rate of a chemical reaction depends on all of the following except
a. Surface area
b. Temperature
c. Presence of catalysts
d. Amount of mass lost
7) Which of the answer choices provided best defines the following statement?
For a given mass and constant temperature, an inverse relationship exists between the volume and
pressure of a gas?
a. Boyle’s Law
b. Ideal Gas Law
c. Charles’ Law
d. Stefan-Boltzmann Law
8) Prokaryotic and eukaryotic cells are similar in having which of the following?
a. Integral membrane proteins in the plasma membrane
b. Presence of a nucleus
c. Membrane-bound organelles
d. Protein-studded DNA
9) Blood cells that are responsible for transportation of oxygen are called
a. Leukocytes
b. Thrombocytes
c. Erythrocytes
d. Plasma cells
10) What ais aanother aname afor athe aAdam’s aApple?
a. Vocal abox
b. Thyroid acartilage
c. Cricoid acartilage
d. Hyoid abone
11) When aexhaling, athe adiaphragm
a. Relaxes
b. Contracts
c. Moves adown aand ain
, d. Stays ain athe asame aposition
12) Which aof athe afollowing acorrectly alists athe acellular ahierarchy afrom athe asimplest ato amost
acomplex astructure?
a. Tissue, acell, aorgan, aorgan asystem, aorganism
b. Organism, aorgan asystem, aorgan, atissue, acell
c. Organ asystem, aorganism, aorgan, atissue, acell
d. Cell, atissue, aorgan, aorgan asystem, aorganism
13) If aa acell ais aplaced ain aa ahypertonic asolution, awhat awill ahappen ato athe acell?
a. It adoes anot aaffect athe acell
b. It awill aswill
c. It awill astay athe asame
d. It awill ashrink
Hypertonic asolution ais aa asolution awith aa ahigher aparticle aconcentration aand alower awater acontent aoutside
athe acell. aWater amoves afrom athe acell ato athe asolution, alosing awater aand ashrinking.
14) What ais athe alongest aphase aof athe acell acycle?
a. Cytokinesis
b. Interphase
c. Metaphase
d. Mitosis
15) B a= aalleles afor abrown aeyes; ag a= aalleles afor agreen aeyes
B g
B Bg Bg
g Bg gg
What aword adescribes athe aallele afor agreen aeyes?
a. Heterozygous
b. Dominant
c. Recessive
d. Homozygous
i. Recessive aalleles aare arepresented aby alower acase aletters
16) What ais athe apossibility athat athe aoffspring aproduces awill ahave abrown aeyes?