TEST – SCIENCE 2025
Which blood group is the universal donor? - CORRECT ANSWER>>>>Type O
A universal blood donor has type O, universal aceptor 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
Fertilization (the fusing of one sperm and an ovum) results in a(n) _________.
- CORRECT ANSWER>>>>zygote
Which of the following are included in the male reproductive system? -
CORRECT ANSWER>>>>the penis and epididymis