SB Spinal Cord & Spinal Nerves questions with
verified answers
A hyperactive reflex refers to an abnormally ______ response.
Ans✓✓✓strong
A hypoactive reflex may indicate damage to a segment of the ______, or
it may suggest muscle disease or damage to the ______ junction.
Ans✓✓✓spinal cord, neuromuscular
A posterior funiculus lies between the ______ gray horns on the
posterior side of the cord and the posterior median sulcus.
Ans✓✓✓posterior
A reflex arc always begins at a receptor in the ______, communicates
with the ______, and ends at a peripheral effector, such as a muscle or
gland cell. Ans✓✓✓PNS, CNS
A reflex arc is the neural wiring of a ______ reflex. Ans✓✓✓single
A spinal nerve contains ______ axons. Ans✓✓✓motor and sensory
After leaving the intervertebral foramen, a typical spinal nerve almost
immediately splits into branches, termed ______. Ans✓✓✓rami
An example of a stretch reflex is the ______. Ans✓✓✓patellar reflex
, Deep to the arachnoid mater is the ______ space, which is a real space
filled with ______ fluid. Ans✓✓✓subarachnoid, cerebrospinal
Deep to the subarachnoid space, is a delicate, innermost meningeal layer
composed of elastic and collagen fibers. This layer is known as the
______. Ans✓✓✓pia mater
During development, the individual vertebrae ______ spinal cord growth
is complete. Ans✓✓✓continue to grow after
Each brachial plexus innervates the ______ and the entire ______ of one
side. Ans✓✓✓pectoral girdle, upper limb
Each brachial plexus is composed of anterior _____, trunks, divisions,
and _____ when examined from a medial to lateral perspective.
Ans✓✓✓rami, cords
In general, nerves from the anterior division of the brachial plexus tend
to innervate muscles that ______ the parts of the upper limb. Nerves
from the posterior division of the brachial plexus tend to
innervatemuscles that ______ the parts of the upper limb.
Ans✓✓✓flex, extend
In the brachial plexus the posterior cord contains portions of ______
nerves. Ans✓✓✓C5 - T1
verified answers
A hyperactive reflex refers to an abnormally ______ response.
Ans✓✓✓strong
A hypoactive reflex may indicate damage to a segment of the ______, or
it may suggest muscle disease or damage to the ______ junction.
Ans✓✓✓spinal cord, neuromuscular
A posterior funiculus lies between the ______ gray horns on the
posterior side of the cord and the posterior median sulcus.
Ans✓✓✓posterior
A reflex arc always begins at a receptor in the ______, communicates
with the ______, and ends at a peripheral effector, such as a muscle or
gland cell. Ans✓✓✓PNS, CNS
A reflex arc is the neural wiring of a ______ reflex. Ans✓✓✓single
A spinal nerve contains ______ axons. Ans✓✓✓motor and sensory
After leaving the intervertebral foramen, a typical spinal nerve almost
immediately splits into branches, termed ______. Ans✓✓✓rami
An example of a stretch reflex is the ______. Ans✓✓✓patellar reflex
, Deep to the arachnoid mater is the ______ space, which is a real space
filled with ______ fluid. Ans✓✓✓subarachnoid, cerebrospinal
Deep to the subarachnoid space, is a delicate, innermost meningeal layer
composed of elastic and collagen fibers. This layer is known as the
______. Ans✓✓✓pia mater
During development, the individual vertebrae ______ spinal cord growth
is complete. Ans✓✓✓continue to grow after
Each brachial plexus innervates the ______ and the entire ______ of one
side. Ans✓✓✓pectoral girdle, upper limb
Each brachial plexus is composed of anterior _____, trunks, divisions,
and _____ when examined from a medial to lateral perspective.
Ans✓✓✓rami, cords
In general, nerves from the anterior division of the brachial plexus tend
to innervate muscles that ______ the parts of the upper limb. Nerves
from the posterior division of the brachial plexus tend to
innervatemuscles that ______ the parts of the upper limb.
Ans✓✓✓flex, extend
In the brachial plexus the posterior cord contains portions of ______
nerves. Ans✓✓✓C5 - T1
