ATI TEAS Version 7 Practice Test -
Science with Questions and Correct
Answers 2025
Which blood group is the universal donor? - CORRECT ANSWERS Type O
A universal blood donor has type O, universal acceptor is type AB.
Blood oxygen levels are most likely low when blood _________. - CORRECT ANSWERS
fills the right atrium
An intracellular chemical signal can be produced in the cell membrane. Once it is
produced, where does it go? - CORRECT ANSWERS To another part of the same cell
After food has been masticated in the oral cavity, where does it go next? - CORRECT
ANSWERS 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? - CORRECT ANSWERS small intestine
As soon as an invader, known as a(n) _____, enters the body, the body begins to fight. -
CORRECT ANSWERS pathogen
Where is skeletal muscle found? - CORRECT ANSWERS attached to bones
If a person smells something sweet, what form of information is this initially perceived as in
the nervous system? - CORRECT ANSWERS sensory
While hiking, a person is startled after encountering a bear. Her palms get sweaty and her
heart starts racing. Which part of her nervous system was directly stimulated? - CORRECT
ANSWERS sympathetic
Which of the following types of tissues include cells of the immune system and of the
blood? - CORRECT ANSWERS connective tissue
Which best describes homeostasis? - CORRECT ANSWERS A relatively constant
environment within the body
Science with Questions and Correct
Answers 2025
Which blood group is the universal donor? - CORRECT ANSWERS Type O
A universal blood donor has type O, universal acceptor is type AB.
Blood oxygen levels are most likely low when blood _________. - CORRECT ANSWERS
fills the right atrium
An intracellular chemical signal can be produced in the cell membrane. Once it is
produced, where does it go? - CORRECT ANSWERS To another part of the same cell
After food has been masticated in the oral cavity, where does it go next? - CORRECT
ANSWERS 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? - CORRECT ANSWERS small intestine
As soon as an invader, known as a(n) _____, enters the body, the body begins to fight. -
CORRECT ANSWERS pathogen
Where is skeletal muscle found? - CORRECT ANSWERS attached to bones
If a person smells something sweet, what form of information is this initially perceived as in
the nervous system? - CORRECT ANSWERS sensory
While hiking, a person is startled after encountering a bear. Her palms get sweaty and her
heart starts racing. Which part of her nervous system was directly stimulated? - CORRECT
ANSWERS sympathetic
Which of the following types of tissues include cells of the immune system and of the
blood? - CORRECT ANSWERS connective tissue
Which best describes homeostasis? - CORRECT ANSWERS A relatively constant
environment within the body
