PRACTICE TEST SCIENCE ATI
TEAS EXAM WITH 100%
CORRECT ANSWERS 2025
*Which statement about white blood cells is true?*
a. B cells are responsbile for antibody production.
b. White blood cells are made in the white/ yellow
cartilage before they enter the bloodstream.
c. Platelets, a special class of white blood cell, function to
clot blood and stop bleeding.
d. The majority of white blood cells only activate during
the age of puberty, which explains why children and
elderly are particulary susceptible to disease. correct
answers >> A
*In testing how quickly a rat dies by the amount of poison
it eats, which of the following is the independent variable
and which is the dependent variable?*
GRADED A+
,A. How quickly the rat dies is the independent variable;
the amount of poison is the dependent variable.
B. The amount of poison is the independent variable; how
quickly the rat dies is the dependent variable.
C. Whether the rat eats the poison is the independent
variable; how quickly the rat dies is the dependent
variable.
D. The cage the rat is kept in is the independent variable;
the amount of poison is the dependent variable.
correct answers >> B
*Which of the following are functions of the urinary
system?*
*I. Synthesizing calcitrol and secreting erythropoeitin.
II Regulating the concentrations of sodium, potassium,
chloride, calcium, and other ions.
III. Reabsorbing or secreting hydrogen ions and
bicarbonate.
IV. Detecting reductions in blood volume and pressure*
GRADED A+
, A. I, II, & III
B. II & III
C. II, III, & IV
D. All of the above correct answers >> D
*Which of the following structures is unique to eukaryotic
cells?*
A. Cell walls
B. Nuclei
C. Cell membranes
D. Organelles correct answers >> B
*Which of the cellular organelle used for digestion to
recycle materials?*
A. The Golgi apparatus
GRADED A+
TEAS EXAM WITH 100%
CORRECT ANSWERS 2025
*Which statement about white blood cells is true?*
a. B cells are responsbile for antibody production.
b. White blood cells are made in the white/ yellow
cartilage before they enter the bloodstream.
c. Platelets, a special class of white blood cell, function to
clot blood and stop bleeding.
d. The majority of white blood cells only activate during
the age of puberty, which explains why children and
elderly are particulary susceptible to disease. correct
answers >> A
*In testing how quickly a rat dies by the amount of poison
it eats, which of the following is the independent variable
and which is the dependent variable?*
GRADED A+
,A. How quickly the rat dies is the independent variable;
the amount of poison is the dependent variable.
B. The amount of poison is the independent variable; how
quickly the rat dies is the dependent variable.
C. Whether the rat eats the poison is the independent
variable; how quickly the rat dies is the dependent
variable.
D. The cage the rat is kept in is the independent variable;
the amount of poison is the dependent variable.
correct answers >> B
*Which of the following are functions of the urinary
system?*
*I. Synthesizing calcitrol and secreting erythropoeitin.
II Regulating the concentrations of sodium, potassium,
chloride, calcium, and other ions.
III. Reabsorbing or secreting hydrogen ions and
bicarbonate.
IV. Detecting reductions in blood volume and pressure*
GRADED A+
, A. I, II, & III
B. II & III
C. II, III, & IV
D. All of the above correct answers >> D
*Which of the following structures is unique to eukaryotic
cells?*
A. Cell walls
B. Nuclei
C. Cell membranes
D. Organelles correct answers >> B
*Which of the cellular organelle used for digestion to
recycle materials?*
A. The Golgi apparatus
GRADED A+
