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A&P Questions and Correct Answers/
Latest Update / Already Graded
From anterior to poster, put in their proper order the nerves issuing
from the brachial plexus
Ans: musculocutaneous, radial, median, ulnar nerve
Which of nerves named above serves the cat's forearm extensor
muscles?
Ans: radial nerve
Which serves the forearm flexors?
Ans: Musculocutaneous nerve
Just superior to the gastrocnemius muscle, the sciatic nerve divides
into two main branches..
Ans: common fibular (peroneal) nerve & tibial nerve
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What name is given to the cutaneous nerve of the cat's thigh?
Ans: saphenous nerve
The spinal cord extends from the foramen magnum of the skull to the
first or second lumbar vertebra, where it terminates in the ________.
Ans: conus medullaris
How many pairs of spinal nerves do humans have?
Ans: 31 pairs of spinal nerves. Cats have 37 or 38
In cross section, the ____ matter of the spinal cord looks like a
butterfly or the letter H.
Ans: gray
The cell bodies of sensory neurons are found in an enlarged area of
the dorsal root called the ____.
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Ans: Dorsal Root Ganglion
Fiber tracts conducting impulses to the brain are called ascending or
_____ tracts
Ans: sensory
Because the spinal nerves arise from fusion of the ventral and dorsal
roots of the spinal cord, and contain motor and sensory fibers, all
spinal nerves are considered mixed nerves
Ans: TRUE
The ventral rami of all spinal nerves except T2, through T12 form
complex networks of nerves known as ____.
Ans: plexuses
Severe injuries to the _______ plexuses cause weakness or paralysis of
the entire upper limb.
A&P Questions and Correct Answers/
Latest Update / Already Graded
From anterior to poster, put in their proper order the nerves issuing
from the brachial plexus
Ans: musculocutaneous, radial, median, ulnar nerve
Which of nerves named above serves the cat's forearm extensor
muscles?
Ans: radial nerve
Which serves the forearm flexors?
Ans: Musculocutaneous nerve
Just superior to the gastrocnemius muscle, the sciatic nerve divides
into two main branches..
Ans: common fibular (peroneal) nerve & tibial nerve
,2 | Page
What name is given to the cutaneous nerve of the cat's thigh?
Ans: saphenous nerve
The spinal cord extends from the foramen magnum of the skull to the
first or second lumbar vertebra, where it terminates in the ________.
Ans: conus medullaris
How many pairs of spinal nerves do humans have?
Ans: 31 pairs of spinal nerves. Cats have 37 or 38
In cross section, the ____ matter of the spinal cord looks like a
butterfly or the letter H.
Ans: gray
The cell bodies of sensory neurons are found in an enlarged area of
the dorsal root called the ____.
, 3 | Page
Ans: Dorsal Root Ganglion
Fiber tracts conducting impulses to the brain are called ascending or
_____ tracts
Ans: sensory
Because the spinal nerves arise from fusion of the ventral and dorsal
roots of the spinal cord, and contain motor and sensory fibers, all
spinal nerves are considered mixed nerves
Ans: TRUE
The ventral rami of all spinal nerves except T2, through T12 form
complex networks of nerves known as ____.
Ans: plexuses
Severe injuries to the _______ plexuses cause weakness or paralysis of
the entire upper limb.
