Test 3 Flashcards
The lumbar plexus is formed by the ventral rami of spinal nerves:
a) L1-L4
b) L2-L5
c) L3-L6
d) L4-L5
L1-L4
Which of the following nerves arises from the lumbar plexus?
a) Phrenic nerve
b) Femoral nerve
c) Ulnar nerve
d) Sciatic nerve
Femoral nerve
The femoral nerve innervates the muscles of the:
a) Posterior thigh
b) Anterior thigh
c) Gluteal region
d) Lower leg
Anterior thigh
The obturator nerve arises from which part of the lumbar plexus?
a) Ventral division
b) Lateral division
c) Medial division
d) Dorsal division
Medial division
The obturator nerve primarily innervates the muscles of the:
a) Medial thigh
b) Lateral thigh
c) Posterior thigh
d) Anterior thigh
Medial thigh
The iliohypogastric nerve arises from the _________ division of the lumbar plexus.
ventral
The ________ nerve is a branch of the femoral nerve and supplies sensory innervation to the medial aspect of the lower leg.
saphenous
The lumbar plexus is located within the __________ region of the body.
lumbar
The ___________ nerve is responsible for innervating the quadriceps femoris muscle group.
femoral
The lateral femoral cutaneous nerve provides sensory innervation to the _____________.
lateral thigh
The lumbar plexus is responsible for innervating the muscles of the upper limb. (True/False)
False
The genitofemoral nerve is a branch of the lumbar plexus. (True/False)
True
The lumbar plexus is formed by the ventral rami of the thoracic spinal nerves. (True/False)
False
The ilioinguinal nerve supplies sensory innervation to the skin over the inguinal region. (True/False)
True
The obturator nerve innervates the muscles of the anterior thigh. (True/False)
False
The femoral nerve is a mixed nerve, carrying both sensory and motor fibers. (True/False)
True
The lumbar plexus is located within the abdominal cavity. (True/False)
False
The iliohypogastric nerve innervates the muscles of the pelvic floor. (True/False)
False
The saphenous nerve is a branch of the obturator nerve. (True/False)
False
The lumbar plexus is formed by the ventral rami of spinal nerves L1-L4. (True/False)
True
The ilioinguinal nerve arises from which segment(s) of the lumbar plexus?
a) L1
b) L2
c) L1-L2
d) L2-L3
L1-L2
Which of the following nerves arises from the lateral division of the lumbar plexus?
a) Genitofemoral nerve
b) Obturator nerve
c) Lateral femoral cutaneous nerve
d) Femoral nerve
Lateral femoral cutaneous nerve
The femoral nerve innervates the:
a) Muscles of the posterior thigh
b) Muscles of the anterior thigh
c) Muscles of the gluteal region
d) Muscles of the lower leg
Muscles of the anterior thigh
The genitofemoral nerve primarily innervates the:
a) Male external genitalia
b) Female external genitalia
c) Posterior thigh muscles
d) Abdominal muscles
Male external genitalia
The lateral femoral cutaneous nerve provides sensory innervation to the:
a) Medial thigh
b) Posterior thigh
c) Anterior thigh
d) Lateral thigh
Lateral thigh
The ________ nerve innervates the psoas muscle and the iliacus muscle.
femoral
The ________ nerve arises from the lumbar plexus and provides sensory innervation to the scrotum or labia majora.
genitofemoral
The lumbar plexus is formed by the anterior divisions of the ventral rami of the ________ spinal nerves.
lumbar
The ________ nerve innervates the adductor muscles of the thigh.
obturator
The ________ nerve provides sensory innervation to the skin over the lateral aspect of the thigh.
lateral femoral cutaneous
The iliohypogastric nerve provides sensory innervation to the inguinal region. (True/False)
True
The lumbar plexus is responsible for innervating the muscles of the lower limb. (True/False)
True
The obturator nerve arises from the medial division of the lumbar plexus. (True/False)
True
The genitofemoral nerve innervates the muscles of the anterior thigh. (True/False)
False
The femoral nerve carries sensory information from the skin of the medial leg and foot. (True/False)
False
The obturator nerve is responsible for innervating the muscles of the posterior thigh. (True/False)
False
The ilioinguinal nerve is a branch of the genitofemoral nerve. (True/False)
False
The femoral nerve carries both sensory and motor fibers. (True/False)
True
The lateral femoral cutaneous nerve supplies sensory innervation to the skin over the medial aspect of the thigh. (True/False)
False
The lumbar plexus is formed by the ventral rami of spinal nerves L2-L5. (True/False)
False
The sacral plexus is formed by the ventral rami of spinal nerves:
a) S1-S4
b) S2-S5
c) S3-S6
d) S4-S5
S1-S4
Which of the following nerves arises from the sacral plexus?
a) Ulnar nerve
b) Tibial nerve
c) Radial nerve
d) Musculocutaneous nerve
Tibial nerve
The sciatic nerve is the largest nerve of the sacral plexus and is composed of which two major divisions?
a) Tibial and fibular
b) Tibial and femoral
c) Tibial and obturator
d) Tibial and ulnar
Tibial and fibular
The sciatic nerve primarily innervates the muscles of the:
a) Anterior thigh
b) Medial thigh
c) Posterior thigh
d) Lateral thigh
Posterior thigh
Which of the following nerves is NOT a branch of the sacral plexus?
a) Pudendal nerve
b) Superior gluteal nerve
c) Inferior gluteal nerve
d) Femoral nerve
Femoral nerve
The _________ nerve is responsible for innervating the muscles of the gluteal region.
superior gluteal
The ___________ nerve arises from the sacral plexus and provides sensory innervation to the perineum and external genitalia.
pudendal
The sacral plexus is located within the __________ region of the body.
sacral
The ___________ nerve is responsible for innervating the hamstrings muscle group.
sciatic
The __________ nerve provides sensory innervation to the skin over the posterior aspect of the leg and the sole of the foot.
tibial
The sacral plexus is responsible for innervating the muscles of the upper limb. (True/False)
False
The pudendal nerve is a branch of the sacral plexus. (True/False)
True
The sacral plexus is formed by the ventral rami of the lumbar spinal nerves. (True/False)
False
The superior gluteal nerve innervates the muscles of the anterior thigh. (True/False)
False
The tibial nerve innervates the muscles of the anterior thigh. (True/False)
False
The sacral plexus is located within the pelvic cavity. (True/False)
True
The pudendal nerve innervates the muscles of the pelvic floor. (True/False)
True
The sciatic nerve carries both sensory and motor fibers. (True/False)
True
The tibial nerve provides sensory innervation to the skin over the lateral aspect of the leg. (True/False)
False
The sacral plexus is formed by the ventral rami of spinal nerves S1-S4. (True/False)
True
The sacral plexus gives rise to which major nerve that innervates the muscles of the posterior thigh and leg?
a) Femoral nerve
b) Obturator nerve
c) Tibial nerve
d) Saphenous nerve
Tibial nerve
Which of the following nerves arises from the sacral plexus and provides sensory innervation to the skin of the lateral foot?
a) Common fibular nerve
b) Tibial nerve
c) Pudendal nerve
d) Sural nerve
Sural nerve
The superior gluteal nerve primarily innervates the muscles of the:
a) Anterior thigh
b) Medial thigh
c) Posterior thigh
d) Gluteal region
Gluteal region
Which nerve is a branch of the sacral plexus and supplies sensory innervation to the perineum and external genitalia?
a) Ilioinguinal nerve
b) Obturator nerve
c) Pudendal nerve
d) Femoral nerve
Pudendal nerve
The common fibular nerve, a division of the sciatic nerve, innervates the muscles of the:
a) Anterior thigh
b) Medial thigh
c) Posterior thigh
d) Lateral thigh
Anterior thigh
The ___________ nerve arises from the sacral plexus and innervates the muscles of the lateral leg.
common fibular
The ___________ nerve provides sensory innervation to the skin over the posterior thigh and the plantar surface of the foot.
tibial
The sciatic nerve, formed by the merging of the __________ and __________ nerves, is the largest nerve in the body.
tibial, common fibular
The ___________ nerve is responsible for innervating the gluteus maximus muscle.
inferior gluteal
The __________ nerve provides sensory innervation to the skin over the anterior aspect of the thigh.
femoral
The sacral plexus is responsible for innervating the muscles of the lower limb. (True/False)
True
The obturator nerve is a branch of the sacral plexus. (True/False)
False
The sacral plexus is formed by the ventral rami of the thoracic spinal nerves. (True/False)
False
The pudendal nerve innervates the muscles of the anterior thigh. (True/False)
False
The common fibular nerve innervates the muscles of the posterior thigh. (True/False)
False
The sacral plexus is located within the abdominal cavity. (True/False)
False
The superior gluteal nerve innervates the muscles of the pelvic floor. (True/False)
False
The tibial nerve carries both sensory and motor fibers. (True/False)
True
The sural nerve provides sensory innervation to the skin over the medial aspect of the leg. (True/False)
False
The sacral plexus is formed by the ventral rami of spinal nerves S2-S5. (True/False)
True
The clunial nerves are branches of which nerve plexus?
a) Brachial plexus
b) Cervical plexus
c) Lumbar plexus
d) Sacral plexus
Lumbar plexus
How many pairs of clunial nerves are typically found?
a) 1
b) 2
c) 3
d) 4
2
The clunial nerves provide sensory innervation to the:
a) Abdominal region
b) Buttocks and sacral region
c) Upper limb
d) Lower limb
Buttocks and sacral region
The coccygeal plexus is formed by the ventral rami of which spinal nerves?
a) C1-C4
b) C5-C8
c) T1-T4
d) S4-Co1
S4-Co1
The coccygeal plexus primarily innervates the:
a) Muscles of the back
b) Muscles of the chest
c) Muscles of the lower limb
d) Muscles of the pelvic floor
Muscles of the pelvic floor
The clunial nerves arise from the ____________ division of the lumbar plexus.
posterior
The clunial nerves transmit sensory information from the ____________ region to the central nervous system.
buttocks and sacral
The coccygeal plexus is located in the region near the ____________ bone.
coccyx
The ____________ nerve is the largest nerve derived from the coccygeal plexus.
sciatic
The coccygeal plexus provides innervation to the ____________ muscles.
pelvic floor
The clunial nerves innervate the muscles of the upper limb. (True/False)
False
The coccygeal plexus is formed by the ventral rami of spinal nerves S1-S5. (True/False)
False
The clunial nerves arise from the lumbar plexus. (True/False)
True
The clunial nerves provide sensory innervation to the abdominal region. (True/False)
False
The coccygeal plexus innervates the muscles of the back. (True/False)
False
The clunial nerves transmit sensory information from the buttocks and sacral region to the central nervous system. (True/False)
True
The coccygeal plexus is located in the thoracic region of the spine. (True/False)
False
The sciatic nerve is a branch of the coccygeal plexus. (True/False)
False
The clunial nerves provide sensory innervation to the lower limb. (True/False)
False
The coccygeal plexus provides innervation to the muscles of the pelvic floor. (True/False)
True