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TEAS 7 Science Practice Test Questions and
answers
Which blood group is a universal donor?
a. A
b. B
c. AB
d. O - answer✔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 - answer✔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 - answer✔b. To another part of the cell
After food has been masticated in the oral cavity, where does it go next?
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11/14/2024 12:19 PM
a. Colon
b. Liver
c. Pancreas
d. Pharynx - answer✔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 - answer✔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 - answer✔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 - answer✔b. Attached to bone
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