TEAS SCIENCE 300 ACTUAL EXAM
QUESTIONS AND EXPERT VERIFIED
ANSWERS 2026 EXAM GRADED A+
Anatomical position - ANSWER- Standard positioning of the body as
standing; feet together; arms to the side; with head, eyes, and palms of
hands forward.
Cells - ANSWER- The basic structural unit of an organism from which
living things are crated.
Cellular functions - ANSWER- Processes that include growth,
metabolism, replication, protein synthesis, and movement.
Directional terminology - ANSWER- Words used to explain
relationships of locations of anatomical elements (distal, posterior,
medial, etc.)
,Distal - ANSWER- Farther from the trunk of the body
Lateral - ANSWER- Away from the midline of the body
dorsum of hand - ANSWER- top of hand
dorsum of foot - ANSWER- Top of foot
posterior - ANSWER- Back of the body
medial - ANSWER- Toward the midline of the body
anterior - ANSWER- Located towards the front of the body
inferior - ANSWER- Lower on the body, farther from the head
Organ system - ANSWER- A group of organs that work together in
performing vital body functions.
Organelle - ANSWER- A specialized part of a cell that has a specific
function.
Organ - ANSWER- A self-contained part of an organism that performs a
specific function.
,Reference planes - ANSWER- Planes dividing the body to describe
locations: sagittal, coronal, and transverse.
Tissue - ANSWER- A group of cells with similar structure that function
together as a unit, but at a lower level than organs.
Alveoli - ANSWER- Tiny air sacs in the lungs where exchange of
oxygen and carbon dioxide takes place.
Asthma - ANSWER- A lung disease characterized by inflamed,
narrowed airways and difficulty breathing.
Bronchi - ANSWER- The main passageways directly attached to the
lungs.
Bronchioles - ANSWER- Small passages in the lungs that connect
bronchi to alveoli.
cystic fibrosis - ANSWER- A genetic disorder that affects the lungs and
other organs, characterized by difficulty breathing, coughing up sputum,
and lung infections.
perfusion - ANSWER- The passage of fluid to an organ or a tissue.
, pleura - ANSWER- A membrane around the lungs and inside the chest
cavity.
Surfactant - ANSWER- a lipoprotein secreted by the alveoli that lowers
the surface tension in the alveoli, reduces the amount of pressure needed
to inflate the alveoli, and decreases the tendency of the alveoli to
collapse.
tidal volume - ANSWER- Amount of air inhaled and exhaled during
normal breathing
trachea - ANSWER- The windpipe; tube leading from the larynx to the
lungs; a passage through which air moves in the respiratory system
ventilation - ANSWER- The movement of air in and out of the body via
inhalation and exhalation.
pulmonary loop - ANSWER- Carries deoxygenated blood from the heart
to the lungs and back to the heart
systemic loop - ANSWER- Carries oxygenated blood from the heart to
the body and back to the heart
arteries - ANSWER- Blood vessels that deliver blood from the heart to
other parts of the body.
QUESTIONS AND EXPERT VERIFIED
ANSWERS 2026 EXAM GRADED A+
Anatomical position - ANSWER- Standard positioning of the body as
standing; feet together; arms to the side; with head, eyes, and palms of
hands forward.
Cells - ANSWER- The basic structural unit of an organism from which
living things are crated.
Cellular functions - ANSWER- Processes that include growth,
metabolism, replication, protein synthesis, and movement.
Directional terminology - ANSWER- Words used to explain
relationships of locations of anatomical elements (distal, posterior,
medial, etc.)
,Distal - ANSWER- Farther from the trunk of the body
Lateral - ANSWER- Away from the midline of the body
dorsum of hand - ANSWER- top of hand
dorsum of foot - ANSWER- Top of foot
posterior - ANSWER- Back of the body
medial - ANSWER- Toward the midline of the body
anterior - ANSWER- Located towards the front of the body
inferior - ANSWER- Lower on the body, farther from the head
Organ system - ANSWER- A group of organs that work together in
performing vital body functions.
Organelle - ANSWER- A specialized part of a cell that has a specific
function.
Organ - ANSWER- A self-contained part of an organism that performs a
specific function.
,Reference planes - ANSWER- Planes dividing the body to describe
locations: sagittal, coronal, and transverse.
Tissue - ANSWER- A group of cells with similar structure that function
together as a unit, but at a lower level than organs.
Alveoli - ANSWER- Tiny air sacs in the lungs where exchange of
oxygen and carbon dioxide takes place.
Asthma - ANSWER- A lung disease characterized by inflamed,
narrowed airways and difficulty breathing.
Bronchi - ANSWER- The main passageways directly attached to the
lungs.
Bronchioles - ANSWER- Small passages in the lungs that connect
bronchi to alveoli.
cystic fibrosis - ANSWER- A genetic disorder that affects the lungs and
other organs, characterized by difficulty breathing, coughing up sputum,
and lung infections.
perfusion - ANSWER- The passage of fluid to an organ or a tissue.
, pleura - ANSWER- A membrane around the lungs and inside the chest
cavity.
Surfactant - ANSWER- a lipoprotein secreted by the alveoli that lowers
the surface tension in the alveoli, reduces the amount of pressure needed
to inflate the alveoli, and decreases the tendency of the alveoli to
collapse.
tidal volume - ANSWER- Amount of air inhaled and exhaled during
normal breathing
trachea - ANSWER- The windpipe; tube leading from the larynx to the
lungs; a passage through which air moves in the respiratory system
ventilation - ANSWER- The movement of air in and out of the body via
inhalation and exhalation.
pulmonary loop - ANSWER- Carries deoxygenated blood from the heart
to the lungs and back to the heart
systemic loop - ANSWER- Carries oxygenated blood from the heart to
the body and back to the heart
arteries - ANSWER- Blood vessels that deliver blood from the heart to
other parts of the body.
