OBJECTIVE ASSESSMENT (OA) ACTUAL EXAM 2025/2026
COMPLETE 70 ACCURATE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED SOLUTIONS) A NEW
UPDATED VERSION |GUARANTEED PASS A+ (FULL
REVISED EXAM) WGU D312
Which plane divides the body into cross-sections?
Transverse
Medial
Sagittal
Parasagittal
Answer- Transverse
Which region of the body is found in the neck?
Cervical
Sacral
Lumbar
Cranial
Answer- Cervical
,Which sensor participates in childbirth?
The smooth muscles of the vagina
The nerve cells of the cervix
Oxytocin
The pituitary gland
Answer- The nerve cells of the cervix
Which action is effective in restricting heat loss?
Movement of blood in the limbs to deep veins
Movement of blood from the core to the surface of the
body
Extended deep breathing
Dilation of the blood vessels in the skin
Answer- Movement of blood in the limbs to deep veins
Which system is always activated?
,Blood clotting
Temperature regulation
Secretion of oxytocin
Egg cell production
Answer- Temperature regulation
Which cells respond to increased levels of blood glucose?
Pancreatic beta cells
Pancreatic alpha cells
Adipocytes
Keratinocytes
Answer- Pancreatic beta cells
What is the correct order of body temperature regulation
through a negative feedback loop?
Body temperature exceeding 37°C → nerve cells of brain
and skin sense change → temperature regulation in the
brain center begins → sweat glands secrete sweat
, Body temperature exceeding 37°C → temperature
regulation in the brain center begins → nerve cells of
brain and skin sense change → sweat glands secrete sweat
Body temperature exceeding 37°C → nerve cells of brain
and skin sense change → sweat glands secrete sweat →
temperature regulation in the brain center begins
Body temperature exceeding 37°C → sweat glands
secrete sweat → temperature regulation in the brain center
begins → nerve cells of brain and skin sense change
Answer- Body temperature exceeding 37°C → nerve cells
of brain and skin sense change → temperature regulation
in the brain center begins → sweat glands secrete sweat
which cells provide pigment for color of skin and hair?
answer- Melanocytes
What happens to the dermal blood vessels when the body
increases in temperature?