Lower Limb Vessels And Innervation Part1
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Sciatic nerve innervates which kind of muscles ?
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Anterior group(quadriceps, m.femoris)
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Anterior medial group(e.g Gracilis, adductors)
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Posterior group(Flexors)
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Explore the innervation of lower limb muscles in this quiz, focusing on the lumbar plexus, femoral and obturator nerves. Understand which nerves innervate specific muscle groups, enhancing your knowledge for medical exams and practical application in neuroanatomy.
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- 2.
Name all muscles of Femoral region innervated by sciatic nerve:
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Adductor magnus, adductor longus and Sartorius
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Semitendinosus, Semimembranosus and Biceps femoris
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Gluteus medius and GLuteus minimus
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Gluteus maximus
Correct Answer
A. Semitendinosus, Semimembranosus and Biceps femorisExplanation
The correct answer is Semitendinosus, Semimembranosus, and Biceps femoris. These muscles are all located in the femoral region and are innervated by the sciatic nerve. The sciatic nerve is the largest nerve in the body and provides motor and sensory innervation to the muscles and skin of the posterior thigh and leg. The semitendinosus, semimembranosus, and biceps femoris are all muscles of the posterior thigh and are responsible for flexing the knee and extending the hip joint.Rate this question:
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- 3.
What nerves and arteries supply the Gluteal muscles ?
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Sciatic nerve and deep femoral artery
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Obturator nerve and Posterior tibial artey
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Superior and inferior gluteal nerves and arteries
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Femoral nerve and femoral artery
Correct Answer
A. Superior and inferior gluteal nerves and arteriesExplanation
The gluteal muscles are supplied by the superior and inferior gluteal nerves and arteries. These nerves and arteries are responsible for providing the necessary blood supply and innervation to the gluteal muscles, allowing them to function properly. The sciatic nerve and deep femoral artery do not supply the gluteal muscles, and the obturator nerve and posterior tibial artery are not involved in their innervation and blood supply. Similarly, the femoral nerve and femoral artery do not play a role in supplying the gluteal muscles.Rate this question:
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- 4.
Which structure demarcate femoral triangle?
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Iliopsoas, sartorius and biceps femoris
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Sartorius adductor longus and inguinal ligament
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Biceps brachii, triceps brachii and brachialis
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Tibialis anterior, tibialis posterior and flexor digitorum
Correct Answer
A. Sartorius adductor longus and inguinal ligamentExplanation
Its boundaries can be remembered using the mnemonic, "SAIL" for Sartorius, Adductor longus and Inguinal Ligament.Rate this question:
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- 5.
Which muscles of the thigh does N.Femoralis innervate ?
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Posterior group(flexors of knee)
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Medial group(adductors)
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Anterior group(extensors)
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Lateral group
Correct Answer
A. Anterior group(extensors)Explanation
The N. Femoralis innervates the muscles of the anterior group in the thigh, which are responsible for extension. These muscles include the quadriceps femoris, which is a group of four muscles that work together to extend the knee joint. The N. Femoralis provides the necessary nerve supply to these muscles, allowing them to contract and perform their function of extending the knee.Rate this question:
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- 6.
Sciatic nerve leaves lesser pelvis though?
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Greater sciatic foramen
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Obturator foramen
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Popliteus cavity
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Sacral foramen
Correct Answer
A. Greater sciatic foramenExplanation
The sciatic nerve leaves the lesser pelvis through the greater sciatic foramen. This opening allows the nerve to pass from the pelvis into the gluteal region and down the back of the thigh. The obturator foramen is a separate opening in the pelvis through which the obturator nerve and blood vessels pass. The popliteus cavity is not relevant to the passage of the sciatic nerve. The sacral foramen is also an opening in the pelvis, but it is not the route through which the sciatic nerve exits the pelvis.Rate this question:
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- 7.
Which nerves go through the Greater sciathic foramen ?
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Sciatic nerve
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Sciatic nerve, superior gluteal nerve inferior gluteal nerve
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Gluteal nerve
Correct Answer
A. Sciatic nerve, superior gluteal nerve inferior gluteal nerveExplanation
The correct answer is sciatic nerve, superior gluteal nerve, and inferior gluteal nerve. The greater sciatic foramen is a large opening in the pelvic bone through which these nerves pass. The sciatic nerve is the largest nerve in the body and provides motor and sensory innervation to the lower limbs. The superior gluteal nerve innervates the gluteus medius, gluteus minimus, and tensor fasciae latae muscles, while the inferior gluteal nerve innervates the gluteus maximus muscle.Rate this question:
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- 8.
Name superficial veins of lower limb
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Femoral vein and popliteal vein
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Superior gluteal veins and pubical vein
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Anterior and posterior tibial veins
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Greater and lesser saphenous veins
Correct Answer
A. Greater and lesser saphenous veinsExplanation
The correct answer is the greater and lesser saphenous veins. These are superficial veins located in the lower limb. The greater saphenous vein is the longest vein in the body and runs along the inside of the leg, while the lesser saphenous vein runs along the back of the leg. These veins are important for venous drainage and can be used for various medical procedures, such as vein grafts or for accessing the circulatory system.Rate this question:
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- 9.
Adductor longus, adductor brevis, adductor magnus,Gracilis and obturator externus are all innervated by ?
Correct Answer
Obturator nerveExplanation
The adductor longus, adductor brevis, adductor magnus, gracilis, and obturator externus muscles are all innervated by the obturator nerve. The obturator nerve arises from the lumbar plexus and travels through the pelvis to innervate these muscles in the medial compartment of the thigh. It provides motor innervation for the adductor muscles, allowing them to adduct the thigh, and also supplies sensory innervation to the skin of the medial thigh and hip joint.Rate this question:
- 10.
The lumbar plexus arise from:
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L1-L5 S1-S2
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L1-L4
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T1-L4
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C7-T1-T12-L1-L4
Correct Answer
A. L1-L4Explanation
The lumbar plexus arise from L1 to L4Rate this question:
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- 11.
Which are two deep veins of the lower Limb ?
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Femoral and great saphenous veins
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Radial and ulnar veins
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Popliteal and small saphenous veins
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Popliteal and Posterior Tibial veins.
Correct Answer
A. Popliteal and Posterior Tibial veins.Explanation
The deep veins of the lower limb include the popliteal vein, situated behind the knee, and the posterior tibial vein, running along the posterior aspect of the leg. These veins play a crucial role in returning deoxygenated blood from the lower extremities to the heart.Rate this question:
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- 12.
Obturator artery leaves lesser pelvis through:
Correct Answer
Obturator foramenExplanation
The obturator artery leaves the lesser pelvis through the obturator foramen. The obturator foramen is a large opening in the pelvic bone that is located on the lower part of the pelvis. This opening allows for the passage of various structures, including the obturator artery. The obturator artery is an important blood vessel that supplies blood to the muscles of the medial compartment of the thigh.Rate this question:
- 13.
Which kind of muscles does Obturator nerve innervate ?
Correct Answer
adductorsExplanation
For example: Graciilis, obturator externusRate this question:
- 14.
What nerve innervates the adductor Pectineus ?
Correct Answer
Femoral nerveExplanation
The femoral nerve innervates the adductor pectineus muscle. This nerve originates from the lumbar plexus and provides motor and sensory innervation to the muscles of the anterior thigh. The adductor pectineus muscle is located in the medial compartment of the thigh and is responsible for adducting and flexing the hip joint. Therefore, it makes sense that the femoral nerve, which supplies the muscles of the anterior thigh, would innervate the adductor pectineus.Rate this question:
- 15.
Where does N. Femoralis arise from ?
Correct Answer
L1-L4Explanation
The N. Femoralis arises from the L1-L4 spinal nerves. These spinal nerves are located in the lumbar region of the spine. The N. Femoralis is a major nerve in the lower extremities and is responsible for innervating the muscles of the anterior thigh and the skin over the front and medial side of the thigh. Its origin from the L1-L4 spinal nerves indicates the specific level of the spinal cord where the nerve fibers originate from.Rate this question:
- 16.
At popliteal fossa sciatic nerve divides into
Correct Answer
peroneal nerve and tibial nerve, tibial nerve and peroneal nerveExplanation
The sciatic nerve divides into the peroneal nerve and tibial nerve at the popliteal fossa. This division occurs behind the knee, where the sciatic nerve splits into two branches. The peroneal nerve innervates the muscles of the lower leg and foot, while the tibial nerve supplies sensation and motor function to the posterior thigh, leg, and sole of the foot.Rate this question:
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Feb 02, 2024Quiz Edited by
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Oct 30, 2012Quiz Created by
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