TEAS 7 SCIENCE PRACTICE TEST
QUESTIONS AND ANSWERS
Which blood group is a universal donor?
a. A
b. B
c. AB
d. O - Correct Answers -d. O
Blood oxygen levels are most likely low when blood
a. leaves the aorta
b. fills the right atrium
c. reaches body tissues
d. flows through ateries - Correct Answers -b. fills the right atrium with
An intracellular chemical signal can be produced in the cell membrane. Once it is
produced, where does it go?
a. To a different cell
b. To another part of the cell
c. To a region right outside the cell
d. To an area with high ion concentration - Correct Answers -b. To another part of the
cell
After food has been masticated in the oral cavity, where does it go next?
a. Colon
b. Liver
c. Pancreas
d. Pharynx - Correct Answers -d. Pharynx
The diffusion of nutrients through the walls of the digestive system is critical to
homeostasis in the body. Where does the majority of this diffusion take place in the
digestive system?
a. Stomach
b. Esophagus
, c. Oral cavity
d. Small intestine - Correct Answers -d. Small intestine
As soon as an invader, known as a(n) ______________, enters the body, the body
begins to fight.
a. antibody
b. pathogen
c. trigger
d. vaccination - Correct Answers -b. pathogen
Where is skeletal muscle found?
a. Inside the heart
b. Attached to bone
c. Lining the walls of the bladder
d. Within the gastrointestinal tract - Correct Answers -b. Attached to bone
In the following single-replacement reaction, _________ replaces ___________.
Cl2 + 2NaI -> 2NaCl + I2
a. sodium, iodine
b. chlorine, iodine
c. chlorine, sodium
d. sodium, chlorine - Correct Answers -b. chlorine, iodine
What type of reaction is described by the following equation?
ZnBr2(aq) + 2KOH(aq) -> Zn(OH)2(s) + 2KBr(aq)
a. Synthesis
b. Decomposition
c. Single-Replacement
d. Double-Replacement - Correct Answers -d. Double-Replacement
___________ is dependent not only on the temperature, but also on the amount of
substance available.
a. Condensation
b. Deposition
c. Evaporation
d. Melting - Correct Answers -c. Evaporation
If a person smells something sweet, what form of information is this initially perceived as
in the nervous system?
a. Cognitive
QUESTIONS AND ANSWERS
Which blood group is a universal donor?
a. A
b. B
c. AB
d. O - Correct Answers -d. O
Blood oxygen levels are most likely low when blood
a. leaves the aorta
b. fills the right atrium
c. reaches body tissues
d. flows through ateries - Correct Answers -b. fills the right atrium with
An intracellular chemical signal can be produced in the cell membrane. Once it is
produced, where does it go?
a. To a different cell
b. To another part of the cell
c. To a region right outside the cell
d. To an area with high ion concentration - Correct Answers -b. To another part of the
cell
After food has been masticated in the oral cavity, where does it go next?
a. Colon
b. Liver
c. Pancreas
d. Pharynx - Correct Answers -d. Pharynx
The diffusion of nutrients through the walls of the digestive system is critical to
homeostasis in the body. Where does the majority of this diffusion take place in the
digestive system?
a. Stomach
b. Esophagus
, c. Oral cavity
d. Small intestine - Correct Answers -d. Small intestine
As soon as an invader, known as a(n) ______________, enters the body, the body
begins to fight.
a. antibody
b. pathogen
c. trigger
d. vaccination - Correct Answers -b. pathogen
Where is skeletal muscle found?
a. Inside the heart
b. Attached to bone
c. Lining the walls of the bladder
d. Within the gastrointestinal tract - Correct Answers -b. Attached to bone
In the following single-replacement reaction, _________ replaces ___________.
Cl2 + 2NaI -> 2NaCl + I2
a. sodium, iodine
b. chlorine, iodine
c. chlorine, sodium
d. sodium, chlorine - Correct Answers -b. chlorine, iodine
What type of reaction is described by the following equation?
ZnBr2(aq) + 2KOH(aq) -> Zn(OH)2(s) + 2KBr(aq)
a. Synthesis
b. Decomposition
c. Single-Replacement
d. Double-Replacement - Correct Answers -d. Double-Replacement
___________ is dependent not only on the temperature, but also on the amount of
substance available.
a. Condensation
b. Deposition
c. Evaporation
d. Melting - Correct Answers -c. Evaporation
If a person smells something sweet, what form of information is this initially perceived as
in the nervous system?
a. Cognitive
