– SCIENCE EXAM QUESTIONS &
VERIFIED ANSWERS PASSED
ALREADY GRADED A+ NEWEST
VERSION
Which blood group is the universal donor? - Correct Answer ✔✔ Type O
A universal blood donor has type O, universal acceptor is type AB.
Blood oxygen levels are most likely low when blood _________. - Correct Answer ✔✔
fills the right atrium
An intracellular chemical signal can be produced in the cell membrane. Once it is
produced, where does it go? - Correct Answer ✔✔ To another part of the same cell
After food has been masticated in the oral cavity, where does it go next? - Correct
Answer ✔✔ 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 Answer ✔✔ small intestine
As soon as an invader, known as a(n) _____, enters the body, the body begins to fight.
- Correct Answer ✔✔ pathogen
Where is skeletal muscle found? - Correct Answer ✔✔ attached to bones
If a person smells something sweet, what form of information is this initially perceived as
in the nervous system? - Correct Answer ✔✔ 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 Answer ✔✔ sympathetic
Which of the following types of tissues include cells of the immune system and of the
blood? - Correct Answer ✔✔ connective tissue
Which best describes homeostasis? - Correct Answer ✔✔ A relatively constant
environment within the body