ATI TEAS BIOLOGY CONCEPTS ACTUAL EXAM 2025|48 QUESTIONS
WITH VERIFIED ACCURATE RATIONALES
1. What is the chemical formula for the product formed when calcium reacts
with sulfuric acid?
CaSO4
CaS
H2S
H2SO4
2. If a person has a condition that leads to overactive sebaceous glands, what
might be a likely consequence on their skin and hair?
Increased dryness and flakiness of the skin.
Excessive oiliness and potential acne formation.
Reduced hair growth and thinning.
Enhanced sweat production leading to body odor.
3. Characteristic of the human organism ?
Autotrophic with a genome stored in DNA
Heterotrophic with a genome store in DNA
Autotrophic with a genome stored in RNA
Heterotrophic with a genome store in RNA
4. Humans can be classified as:
Autotrophs
Heterotrophs
Anaerobes
, 5. Explain the role of the gonadal artery in the human reproductive system
and how it differs from other arteries supplying the body.
It supplies blood to the brain.
It provides oxygenated blood specifically to the reproductive
organs.
It carries deoxygenated blood from the reproductive organs.
It is responsible for supplying blood to the legs.
6. If a purple-eyed individual with the genotype Ff is crossed with a pink-
eyed individual (ff), what is the probability of producing an offspring with
purple eyes?
0%
25%
50%
100%
7. If a person experiences a sudden fright and their liver cells release glucose
into the bloodstream, how might this affect their physical performance in a
high-stress situation?
It would decrease physical performance due to low energy
availability.
It would have no effect on physical performance.
It would enhance physical performance by providing immediate
energy.
It would cause fatigue due to excessive energy release.
8. Humoral immunity is mediated by soluble antibodies. Which cell type
produces these soluble antibodies?
T cells
WITH VERIFIED ACCURATE RATIONALES
1. What is the chemical formula for the product formed when calcium reacts
with sulfuric acid?
CaSO4
CaS
H2S
H2SO4
2. If a person has a condition that leads to overactive sebaceous glands, what
might be a likely consequence on their skin and hair?
Increased dryness and flakiness of the skin.
Excessive oiliness and potential acne formation.
Reduced hair growth and thinning.
Enhanced sweat production leading to body odor.
3. Characteristic of the human organism ?
Autotrophic with a genome stored in DNA
Heterotrophic with a genome store in DNA
Autotrophic with a genome stored in RNA
Heterotrophic with a genome store in RNA
4. Humans can be classified as:
Autotrophs
Heterotrophs
Anaerobes
, 5. Explain the role of the gonadal artery in the human reproductive system
and how it differs from other arteries supplying the body.
It supplies blood to the brain.
It provides oxygenated blood specifically to the reproductive
organs.
It carries deoxygenated blood from the reproductive organs.
It is responsible for supplying blood to the legs.
6. If a purple-eyed individual with the genotype Ff is crossed with a pink-
eyed individual (ff), what is the probability of producing an offspring with
purple eyes?
0%
25%
50%
100%
7. If a person experiences a sudden fright and their liver cells release glucose
into the bloodstream, how might this affect their physical performance in a
high-stress situation?
It would decrease physical performance due to low energy
availability.
It would have no effect on physical performance.
It would enhance physical performance by providing immediate
energy.
It would cause fatigue due to excessive energy release.
8. Humoral immunity is mediated by soluble antibodies. Which cell type
produces these soluble antibodies?
T cells
