1|Page
D312/ WGU D312 EXAM/ WGU D312 PRE-
ASSESSMENT ANATOMY AND PHYSIOLOGY 1 WITH
LAB EXAM 2025/2026 ACTUAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALL ANSWERED {70 Q & A} ALREADY
GRADED A+ / D312 PRE-ASSESSMENT ANATOMY
AND PHYSIOLOGY 1 LAB | BRAND NEW! WGU
Which part of the neuron in the following image receives input
from other neurons?
A) Soma
B) Dendrites
C) Axon hillock
D) Nodes of Ranvier
B) Dendrites
Which component of cerebrospinal fluid circulation is present in
the diencephalon area, as shown in the following image?
A) Right lateral ventricle
B) Third ventricle
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C) Fourth ventricle
D) Cerebral aqueduct
B) Third ventricle
Which hormone signals its target cells in the kidneys to reabsorb
more water, thus preventing the loss of additional fluid in the
urine?
Rennin
Antidiuretic hormone
Oxytocin
Erythropoietin
Antidiuretic hormone
Which structure in the following image is cranial nerve V, which
brings cutaneous sensation in the face?
A) Trigeminal nerve
B) Trochlear nerve
C) Vagus nerve
D) Abducens nerve
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A) Trigeminal nerve
Which part of the glial cells insulates axons in the central
nervous system, as shown in the following image?
A) Microglial cell
B) Astrocyte
C) Oligodendrocytes
D) Ependymal cells
C) Oligodendrocytes
Which channels respond to the change in the membrane
potential of a cell?
Leakage channels
Ligand-gated channels
Voltage-gated channels
Mechanically gated channels
Voltage-gated channels
D312/ WGU D312 EXAM/ WGU D312 PRE-
ASSESSMENT ANATOMY AND PHYSIOLOGY 1 WITH
LAB EXAM 2025/2026 ACTUAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALL ANSWERED {70 Q & A} ALREADY
GRADED A+ / D312 PRE-ASSESSMENT ANATOMY
AND PHYSIOLOGY 1 LAB | BRAND NEW! WGU
Which part of the neuron in the following image receives input
from other neurons?
A) Soma
B) Dendrites
C) Axon hillock
D) Nodes of Ranvier
B) Dendrites
Which component of cerebrospinal fluid circulation is present in
the diencephalon area, as shown in the following image?
A) Right lateral ventricle
B) Third ventricle
,2|Page
C) Fourth ventricle
D) Cerebral aqueduct
B) Third ventricle
Which hormone signals its target cells in the kidneys to reabsorb
more water, thus preventing the loss of additional fluid in the
urine?
Rennin
Antidiuretic hormone
Oxytocin
Erythropoietin
Antidiuretic hormone
Which structure in the following image is cranial nerve V, which
brings cutaneous sensation in the face?
A) Trigeminal nerve
B) Trochlear nerve
C) Vagus nerve
D) Abducens nerve
, 3|Page
A) Trigeminal nerve
Which part of the glial cells insulates axons in the central
nervous system, as shown in the following image?
A) Microglial cell
B) Astrocyte
C) Oligodendrocytes
D) Ependymal cells
C) Oligodendrocytes
Which channels respond to the change in the membrane
potential of a cell?
Leakage channels
Ligand-gated channels
Voltage-gated channels
Mechanically gated channels
Voltage-gated channels
