ATI TEAS BIOLOGY AND ANATOMY ACTUAL EXAM 2025 |162 QUESTIONS WITH
VERIFIED ACCURATE RATIONALES
1. Where is food broken down in the digestive system so it can ultimately
enter the bloodstream?
In the stomach only
In stomach, small intestine, and large intestine
In mouth, stomach, and large intestine
In mouth, stomach, and small intestine
2. If a cell undergoes mitosis but fails to complete cytokinesis, what would be
the expected outcome for the daughter cells?
Two separate cells will form, each with a complete set of
chromosomes.
One large cell with two nuclei will form.
The cell will enter apoptosis.
The cell will remain in interphase.
3. What is the primary function of myofibrils within a muscle fiber?
Storage of energy-rich compounds
Transportation of nerve impulses
Conduction of blood vessels
Generation of force during muscle contraction
4. What is the primary function of ribosomes in cellular biology?
Transcription
Translation
Replication
, Translocation
5. A X-linked trait is expressed more often in:
Adulthood
Caucasians
Childhood
Females
Males
6. The wrist is located _______ to the elbow?
superior
distal
proximal
anterior
inferior
7. If a blockage occurs in the pulmonary artery, what impact would this have
on the flow of blood from the right ventricle to the lungs, and what
physiological consequences might arise from this condition?
Blood would flow normally to the lungs, causing no physiological
changes.
Blood would back up into the right atrium, leading to increased
pressure and potential heart failure.
Blood would be redirected to the left atrium, allowing for normal
oxygenation.
Blood would flow directly to the aorta, bypassing the lungs entirely.
8. Where does fertilization primarily occur in the female reproductive
system?
, fallopian tube
ovaries
uterus
cervix
9. Explain the primary function of arteries in the circulatory system.
To exchange gases and nutrients with tissues
To carry oxygenated blood away from the heart
To return deoxygenated blood to the heart
To regulate blood pressure
10. This layer of the stomach contains blood and lymphatic vessels, also
nerves and lymph nodes, as well as Peyer's patches.
Mucosa
Submucosa
Muscularis
Serosa
11. Which gland secretes hormones that control the pituitary gland?
Thyroid gland
Parathyroid gland
Adrenal gland
Hypothalamus
12. Which of these digestive system organs does food NOT travel through
stomach
esophagus
, small intestine
liver
13. Explain how a buffer functions in a biological system when an acid is
introduced. What role does it play in maintaining homeostasis?
It completely neutralizes the acid, preventing any change in pH.
It absorbs the acid without any effect on the pH.
It minimizes the change in pH by neutralizing the acid to a
certain extent.
It converts the acid into a base, thus increasing the pH.
14. Explain how testosterone influences the development of secondary
sexual characteristics in males. Which specific traits are typically
associated with this hormone?
It promotes the development of breast tissue and fat distribution.
It stimulates the growth of facial hair, deepens the voice, and
increases muscle mass.
It regulates the menstrual cycle and ovulation.
It enhances the production of red blood cells and regulates sleep
patterns.
15. What type of muscle is primarily responsible for involuntary movements in
the walls of blood vessels?
cardiac muscle
visceral muscle
skeletal muscle
smooth muscle
16. Explain how a chemical imbalance in the brain can affect neuronal
communication. Which part of the neuron is most directly involved in this
VERIFIED ACCURATE RATIONALES
1. Where is food broken down in the digestive system so it can ultimately
enter the bloodstream?
In the stomach only
In stomach, small intestine, and large intestine
In mouth, stomach, and large intestine
In mouth, stomach, and small intestine
2. If a cell undergoes mitosis but fails to complete cytokinesis, what would be
the expected outcome for the daughter cells?
Two separate cells will form, each with a complete set of
chromosomes.
One large cell with two nuclei will form.
The cell will enter apoptosis.
The cell will remain in interphase.
3. What is the primary function of myofibrils within a muscle fiber?
Storage of energy-rich compounds
Transportation of nerve impulses
Conduction of blood vessels
Generation of force during muscle contraction
4. What is the primary function of ribosomes in cellular biology?
Transcription
Translation
Replication
, Translocation
5. A X-linked trait is expressed more often in:
Adulthood
Caucasians
Childhood
Females
Males
6. The wrist is located _______ to the elbow?
superior
distal
proximal
anterior
inferior
7. If a blockage occurs in the pulmonary artery, what impact would this have
on the flow of blood from the right ventricle to the lungs, and what
physiological consequences might arise from this condition?
Blood would flow normally to the lungs, causing no physiological
changes.
Blood would back up into the right atrium, leading to increased
pressure and potential heart failure.
Blood would be redirected to the left atrium, allowing for normal
oxygenation.
Blood would flow directly to the aorta, bypassing the lungs entirely.
8. Where does fertilization primarily occur in the female reproductive
system?
, fallopian tube
ovaries
uterus
cervix
9. Explain the primary function of arteries in the circulatory system.
To exchange gases and nutrients with tissues
To carry oxygenated blood away from the heart
To return deoxygenated blood to the heart
To regulate blood pressure
10. This layer of the stomach contains blood and lymphatic vessels, also
nerves and lymph nodes, as well as Peyer's patches.
Mucosa
Submucosa
Muscularis
Serosa
11. Which gland secretes hormones that control the pituitary gland?
Thyroid gland
Parathyroid gland
Adrenal gland
Hypothalamus
12. Which of these digestive system organs does food NOT travel through
stomach
esophagus
, small intestine
liver
13. Explain how a buffer functions in a biological system when an acid is
introduced. What role does it play in maintaining homeostasis?
It completely neutralizes the acid, preventing any change in pH.
It absorbs the acid without any effect on the pH.
It minimizes the change in pH by neutralizing the acid to a
certain extent.
It converts the acid into a base, thus increasing the pH.
14. Explain how testosterone influences the development of secondary
sexual characteristics in males. Which specific traits are typically
associated with this hormone?
It promotes the development of breast tissue and fat distribution.
It stimulates the growth of facial hair, deepens the voice, and
increases muscle mass.
It regulates the menstrual cycle and ovulation.
It enhances the production of red blood cells and regulates sleep
patterns.
15. What type of muscle is primarily responsible for involuntary movements in
the walls of blood vessels?
cardiac muscle
visceral muscle
skeletal muscle
smooth muscle
16. Explain how a chemical imbalance in the brain can affect neuronal
communication. Which part of the neuron is most directly involved in this
