BIOS252 / BIOS 252 Exam 2: Anatomy and Physiology
II with Lab (Chamberlain, 2025/2026) – 50 Multiple-
Choice Questions with Verified Answers and
Rationales|| LATEST UPDATE 2025/26
Which of the following is not considered a region of the spinal cord?
Sacral
Thoracic
Pelvic
Cervical -CORRECTANSWER Pelvic
The spinal cord is housed in what structure?
The skull
The ribs
The vertebral canal
The pelvic bowl -CORRECTANSWER The vertebral canal
An image of a cross section of the spinal cord would show anterior (or ventral) horns.
What is in that region?
Cell bodies of motor neurons
,White matter
Spinal nerves
Ascending tracts -CORRECTANSWER Cell bodies of motor neurons
Which of the following is not associated with the spinal cord?
Coordinate the alternating contraction of several muscle groups associated with
locomotion
Conduct motor information down the cord
Conduct sensory information up to the brain
Mediate a reflex, such as the withdrawal of a hand from pain
Integrate sensory information at the conscious level -CORRECTANSWER Integrate
sensory information at the conscious level
Voluntary motor impulses leave the spinal cord via the _________ of grey matter.
Lateral horn
Posterior horn
Anterior horn
Anterior column
Posterior column -CORRECTANSWER Anterior horn
Spinal nerves are mixed. (True or False?) -CORRECTANSWER True
,Which of the following is incorrect?
5 lumbar spinal nerves
8 cervical spinal nerves
11 thoracic spinal nerves
1 coccygeal spinal nerve
5 sacral spinal nerves -CORRECTANSWER 11 thoracic spinal nerves
The dorsal root of spinal nerve contains:
only autonomic fibers
only motor fibers
only sensory fibers
both sensory and motor fibers
only somatic fibers -CORRECTANSWER only sensory fibers
Damage to the posterior root of the thoracic spinal nerve would result in loss of motor
function to the intercostal space muscles controlled by that nerve. (True or False?) -
CORRECTANSWER False
The specific patch of skin that is innervated by a specific spinal nerve is called a(n)
________.
, Plexus
Gray horn
Dermatome
Desmosome -CORRECTANSWER Dermatome
While playing rugby, Sonny is tackled hard. As he tries to get up, he finds that he has
difficulty flexing and adducting his left thigh and extending his left leg. Which nerve
innervating the lower limb may be damaged?
Femoral Nerve
Phrenic Nerve
Vagus Nerve
Median Nerve -CORRECTANSWER Femoral Nerve
Which spinal cord plexus supplies the abdominal wall?
More than one of the choices are correct.
cervical plexus
sacral plexus
brachial plexus
lumbar plexus -CORRECTANSWER More than one of the choices are correct (Sacral
and Cervical Plexus)
II with Lab (Chamberlain, 2025/2026) – 50 Multiple-
Choice Questions with Verified Answers and
Rationales|| LATEST UPDATE 2025/26
Which of the following is not considered a region of the spinal cord?
Sacral
Thoracic
Pelvic
Cervical -CORRECTANSWER Pelvic
The spinal cord is housed in what structure?
The skull
The ribs
The vertebral canal
The pelvic bowl -CORRECTANSWER The vertebral canal
An image of a cross section of the spinal cord would show anterior (or ventral) horns.
What is in that region?
Cell bodies of motor neurons
,White matter
Spinal nerves
Ascending tracts -CORRECTANSWER Cell bodies of motor neurons
Which of the following is not associated with the spinal cord?
Coordinate the alternating contraction of several muscle groups associated with
locomotion
Conduct motor information down the cord
Conduct sensory information up to the brain
Mediate a reflex, such as the withdrawal of a hand from pain
Integrate sensory information at the conscious level -CORRECTANSWER Integrate
sensory information at the conscious level
Voluntary motor impulses leave the spinal cord via the _________ of grey matter.
Lateral horn
Posterior horn
Anterior horn
Anterior column
Posterior column -CORRECTANSWER Anterior horn
Spinal nerves are mixed. (True or False?) -CORRECTANSWER True
,Which of the following is incorrect?
5 lumbar spinal nerves
8 cervical spinal nerves
11 thoracic spinal nerves
1 coccygeal spinal nerve
5 sacral spinal nerves -CORRECTANSWER 11 thoracic spinal nerves
The dorsal root of spinal nerve contains:
only autonomic fibers
only motor fibers
only sensory fibers
both sensory and motor fibers
only somatic fibers -CORRECTANSWER only sensory fibers
Damage to the posterior root of the thoracic spinal nerve would result in loss of motor
function to the intercostal space muscles controlled by that nerve. (True or False?) -
CORRECTANSWER False
The specific patch of skin that is innervated by a specific spinal nerve is called a(n)
________.
, Plexus
Gray horn
Dermatome
Desmosome -CORRECTANSWER Dermatome
While playing rugby, Sonny is tackled hard. As he tries to get up, he finds that he has
difficulty flexing and adducting his left thigh and extending his left leg. Which nerve
innervating the lower limb may be damaged?
Femoral Nerve
Phrenic Nerve
Vagus Nerve
Median Nerve -CORRECTANSWER Femoral Nerve
Which spinal cord plexus supplies the abdominal wall?
More than one of the choices are correct.
cervical plexus
sacral plexus
brachial plexus
lumbar plexus -CORRECTANSWER More than one of the choices are correct (Sacral
and Cervical Plexus)
