Bio 253 Exam 1 Exam
Questions and verified
answers ACTUAL EXAM
2026TEST!! Graded A+ |
2025|2026 EXAM UPDATE
Relative position - ✔✔ANSWER✔✔-describes location of body parts in relation
to others (e.g., superior, inferior, medial, lateral).
Anatomical position - ✔✔ANSWER✔✔-standing erect, facing forward, arms at
sides, palms facing forward.
Body cavities - ✔✔ANSWER✔✔-include cranial, vertebral, thoracic, abdominal,
and pelvic cavities.
Negative feedback - ✔✔ANSWER✔✔-reverses a change (e.g., body
temperature regulation).
, Positive feedback - ✔✔ANSWER✔✔-increases a change (e.g., childbirth
contractions, blood clotting).
Homeostasis - ✔✔ANSWER✔✔-maintaining a stable internal environment.
Planes/sections - ✔✔ANSWER✔✔-sagittal, frontal (coronal), and transverse.
Anatomy vs Physiology - ✔✔ANSWER✔✔-anatomy = structure, physiology =
function.
9 Regions of Abdomen - ✔✔ANSWER✔✔-right/left hypochondriac, epigastric,
right/left lumbar, umbilical, right/left iliac, hypogastric.
Structure of Atom - ✔✔ANSWER✔✔-protons (+), neutrons (0), electrons (−).
Ion - ✔✔ANSWER✔✔-atom with a charge (lost/gained electrons).
Cations and Anions - ✔✔ANSWER✔✔-Cations (+) and Anions (−).
Ionic bond - ✔✔ANSWER✔✔-between cation and anion (forms salts).
Covalent bond - ✔✔ANSWER✔✔-shares electrons; nonpolar = equal, polar =
unequal.
Hydrogen bond - ✔✔ANSWER✔✔-weak attraction between H and O/N; holds
DNA strands.
Questions and verified
answers ACTUAL EXAM
2026TEST!! Graded A+ |
2025|2026 EXAM UPDATE
Relative position - ✔✔ANSWER✔✔-describes location of body parts in relation
to others (e.g., superior, inferior, medial, lateral).
Anatomical position - ✔✔ANSWER✔✔-standing erect, facing forward, arms at
sides, palms facing forward.
Body cavities - ✔✔ANSWER✔✔-include cranial, vertebral, thoracic, abdominal,
and pelvic cavities.
Negative feedback - ✔✔ANSWER✔✔-reverses a change (e.g., body
temperature regulation).
, Positive feedback - ✔✔ANSWER✔✔-increases a change (e.g., childbirth
contractions, blood clotting).
Homeostasis - ✔✔ANSWER✔✔-maintaining a stable internal environment.
Planes/sections - ✔✔ANSWER✔✔-sagittal, frontal (coronal), and transverse.
Anatomy vs Physiology - ✔✔ANSWER✔✔-anatomy = structure, physiology =
function.
9 Regions of Abdomen - ✔✔ANSWER✔✔-right/left hypochondriac, epigastric,
right/left lumbar, umbilical, right/left iliac, hypogastric.
Structure of Atom - ✔✔ANSWER✔✔-protons (+), neutrons (0), electrons (−).
Ion - ✔✔ANSWER✔✔-atom with a charge (lost/gained electrons).
Cations and Anions - ✔✔ANSWER✔✔-Cations (+) and Anions (−).
Ionic bond - ✔✔ANSWER✔✔-between cation and anion (forms salts).
Covalent bond - ✔✔ANSWER✔✔-shares electrons; nonpolar = equal, polar =
unequal.
Hydrogen bond - ✔✔ANSWER✔✔-weak attraction between H and O/N; holds
DNA strands.
