QUESTIONS WITH 100% CORRECT SOLUTIONS
A GRADED|REAL EXAM!!!
If you bump the "funny bone" which nerve function is interrupted?
a) musculocutaneous
b) ulnar
c) axillary
d) median
e) radial - ANSWER-b) ulnar
The ventral root of a spinal nerve contains____.
a) axons of motor neurons
b) interneurons
c) cell bodies of motor neurons
d) ventral rami
e) axons of sensory neurons - ANSWER-a) axons of motor neurons
In gross dissection, the filum terminale and the long ventral and dorsal roots are
collectively referred to as the ________.
a) motor neurons
b) denticulate ligaments
c) cauda equina
d) collateral ganglia
e) spinal meninges - ANSWER-c) cauda equina
Inferior to the ________, the spinal cord tapers to the conus medullaris.
a) lumbosacral enlargement
b) dorsal root ganglia
c) cervical enlargement
d) cauda equina
e) filum terminale - ANSWER-a) lumbosacral enlargement
The cervical enlargement supplies nerves to the pectoral girdle and upper limbs.
True
False - ANSWER-true
, The middle layer of the meninges, which consists of simple squamous epithelium, is
called (the) ________.
a) pia mater
b) dura mater
c) periosteum
d) arachnoid mater
e) epideural space - ANSWER-d) arachnoid mater
The epidural space contains areolar and adipose tissue, in addition to ________.
a) lymph
b) denticulate ligaments
c) gray matter
d) cerebrospinal fluid
e) blood vessels - ANSWER-e) blood vessels
Caudally, the spinal dura mater blends with components of the ________ to form the
coccygeal ligament.
a) spinal nerves
b) filum terminale
c) ventral root
d) cauda equina
e) dorsal root ganglia - ANSWER-b) filum terminale
The arachnoid mater is the outermost covering of the spinal cord and brain.
True
False - ANSWER-false
The denticulate ligaments of the pia mater __________.
a) protect the spinal cord from side-to-side motion that might damage the cord
b) provide a passageway for blood vessels from the exterior to penetrate the spinal cord
c) block the passage of drugs into the spinal cord
d) serves as a pathway for the spinal nerves to exit and enter the spinal cord -
ANSWER-a) protect the spinal cord from side-to-side motion that might damage the
cord
The H-shaped mass in the center of the spinal cord is dominated by ________.
a) large numbers of myelinated and unmyelinated axons
b) dura mater
c) motor axons only