Block 2 Anatomy Gluteal Michigan W Explanation

28 Questions | Total Attempts: 321

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Anatomy Quizzes & Trivia

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Questions and Answers
  • 1. 
    During recovery from a gunshot wound of the right pelvis, the patient notices a lurch in his gait. When he lifts his left foot off of the ground, his pelvis dips down on the left side. The nerve that appears to have been injured is the:
    • A. 

      Nerve to piriformis

    • B. 

      Nerve to obturator internus

    • C. 

      Sciatic nerve

    • D. 

      Femoral nerve

    • E. 

      Superior gluteal nerve

  • 2. 
    The team doctor tells a football player that he has "a pulled hamstring" muscle. This results from a tearing of the origin of a hamstring muscle from the:
    • A. 

      Sacrum

    • B. 

      Posterior gluteal line

    • C. 

      Ischial tuberosity

    • D. 

      Obturator membrane

    • E. 

      Iliac tubercle

  • 3. 
    If the head of the femur is dislocated postero-medially, compression of which nerve is likely to result?
    • A. 

      Femoral

    • B. 

      Lumbosacral trunk

    • C. 

      Obturator

    • D. 

      Sciatic

    • E. 

      Superior gluteal

  • 4. 
    What muscle passes through the lesser sciatic foramen?
    • A. 

      Gluteus minimus

    • B. 

      Obturator internus

    • C. 

      Piriformis

    • D. 

      Quadratus femoris

    • E. 

      Superior gemellus

  • 5. 
    In order to avoid injury to the sciatic nerve, intramuscular injections should be given in which quadrant of the buttock?
    • A. 

      Upper medial

    • B. 

      Upper lateral

    • C. 

      Lower medial

    • D. 

      Lower lateral

    • E. 

      Middle

  • 6. 
    The femoral artery enters the popliteal fossa (becoming the popliteal artery) by passing through the:
    • A. 

      Adductor hiatus

    • B. 

      Femoral sheath

    • C. 

      Femoral canal

    • D. 

      Femoral triangle

    • E. 

      Saphenous opening

  • 7. 
    The short head of biceps femoris muscle is innervated by which nerve?
    • A. 

      Common fibular

    • B. 

      Femoral

    • C. 

      Inferior gluteal

    • D. 

      Obturator

    • E. 

      Tibial

  • 8. 
    As a patient with paralyzed gluteus medius and minimus muscles on the left side attempts to stand on the left limb only, the right side of the pelvis typically:
    • A. 

      Drops

    • B. 

      Elevates

    • C. 

      Rotates laterally

    • D. 

      Rotates medially

    • E. 

      Thrusts forward

  • 9. 
    When the femur is fractured, the broken distal end often turns posteriorly to enter the popliteal fossa due to muscle traction. Because of its position deepest in the fossa, which structure is most vulnerable to laceration?
    • A. 

      Common fibular n.

    • B. 

      Lesser saphenous v.

    • C. 

      Popliteal a.

    • D. 

      Popliteal v.

    • E. 

      Tibial n.

  • 10. 
    The deep femoral artery is the principle blood source for the muscles in which compartment of the thigh?
    • A. 

      Anterior

    • B. 

      Lateral (gluteal)

    • C. 

      Medial (adductor)

    • D. 

      Posterior (hamstring)

  • 11. 
    After suffering a deep stab wound in the medial upper quadrant of the right buttock, an emergency room patient found walking to be very difficult. The basic problem was that, during stepping, her left hip sagged down as soon as the left foot was lifted off the ground to swing forward. What nerve was damaged?
    • A. 

      Femoral

    • B. 

      Inferior gluteal

    • C. 

      Obturator

    • D. 

      Pudendal

    • E. 

      Superior gluteal

  • 12. 
    A fracture of the ischial tuberosity might be expected to most directly affect the muscles that produce which lower limb movement?
    • A. 

      Abduction at the hip

    • B. 

      Adduction at the hip

    • C. 

      Extension at the knee

    • D. 

      Flexion at the hip

    • E. 

      Flexion at the knee

  • 13. 
    When, in approximately 12% of people, the common fibular nerve passes through the piriformis muscle, the nerve may be compressed. This would affect part of which muscle?
    • A. 

      Adductor magnus

    • B. 

      Biceps femoris

    • C. 

      Gluteus maximus

    • D. 

      Semimembranosus

    • E. 

      Semitendinosus

  • 14. 
    An elderly patient complains of difficulty in walking up stairs. Tests by her doctor reveal weakness in extension at her hip, but no change in hip flexion, or flexion or extension of the knee. Based upon these results, what muscle is most likely not functioning properly.
    • A. 

      Adductor magnus

    • B. 

      Gluteus maximus

    • C. 

      Gluteus medius

    • D. 

      Iliopsoas

    • E. 

      Semitendinosus

  • 15. 
    Weakness in climbing stairs or jumping would indicate a lesion of which nerve?
    • A. 

      Tibial

    • B. 

      Superior gluteal

    • C. 

      Inferior gluteal

    • D. 

      Obturator

    • E. 

      Femoral

  • 16. 
    During surgical repair of a popliteal artery aneurism, ligation of the femoral artery at mid-thigh would not interrupt supply to the hamstring muscles because the
    • A. 

      Genicular anastomosis ensures blood supply to the posterior thigh

    • B. 

      Cruciate anastomosis ensures blood supply to the posterior thigh

    • C. 

      Perforating branches of the deep femoral artery supply the posterior thigh

    • D. 

      Obturator artery supplies the posterior thigh

    • E. 

      Anterior and posterior femoral circumflex arteries anastomose with the inferior gluteal artery

  • 17. 
    The medial thigh muscles rotate the femur medially, counterbalanced by muscles of the _____________ thigh, including the ___________ muscle, which rotates the femur laterally.
    • A. 

      Lateral; tensor fasciae latae

    • B. 

      Anterior; rectus femoris

    • C. 

      Lateral; piriformis

    • D. 

      Posterior; biceps femoris

    • E. 

      Posterior; quadriceps femoris

  • 18. 
    Following a major operation, a patient was placed on a course of antibiotics which were delivered via intramuscular injection to the buttocks. After one injection in the right buttock, the patient complained of more pain than usual in the region of the injection. Later, as he was walking in the hall, the nurse noticed that he had a limp that had not been present before--his left hip dropped every time he lifted his left foot off the floor. Which nerve had been injured by the injection?
    • A. 

      Femoral

    • B. 

      Inferior gluteal

    • C. 

      Obturator

    • D. 

      Sciatic

    • E. 

      Superior gluteal

  • 19. 
    The hamstrings muscles are supplied by branches of which artery?
    • A. 

      Deep femoral

    • B. 

      Fibular

    • C. 

      Obturator

    • D. 

      Pudendal

    • E. 

      Superficial femoral

  • 20. 
    Of the branches of the internal iliac artery, the one exiting from the greater sciatic foramen superior to the piriformis muscle is the:
    • A. 

      Iliolumbar artery

    • B. 

      Internal pudendal artery

    • C. 

      Lateral sacral artery

    • D. 

      Superior gluteal artery

  • 21. 
    Because of its muscle attachments, a fracture to the ischial tuberosity would affect which movement of the lower limb?
    • A. 

      Abduction of the thigh

    • B. 

      Dorsiflexion of the foot

    • C. 

      Extension of the leg

    • D. 

      Flexion of the leg

    • E. 

      Flexion of the thigh

  • 22. 
    When the distal femur is fractured, the sharp broken ends of the bone often damage the structure that lies closest to the femur in the popliteal fossa, i.e., the:
    • A. 

      Descending genicular artery

    • B. 

      Greater saphenous vein

    • C. 

      Popliteal artery

    • D. 

      Popliteal vein

    • E. 

      Sciatic nerve

  • 23. 
    In a hunting accident, an arrow pierces the mid-calf of a hunter. A major artery is lacerated in the posterior leg, and you notice that the sole of his foot is cold and pale. The dorsum of the foot is warm and normally colored. The artery that seems to be injured is the:
    • A. 

      Fibular artery

    • B. 

      Posterior tibial artery

    • C. 

      Femoral artery

    • D. 

      Popliteal artery

    • E. 

      Medial plantar artery

  • 24. 
    A patient complains of localized pain in a swollen lower calf and cannot strongly plantar flex his foot. What tendon may have ruptured?
    • A. 

      Calcaneal

    • B. 

      Fibularis tertius

    • C. 

      Flexor digitorum longus

    • D. 

      Flexor hallucis longus

    • E. 

      Tibialis anterior

  • 25. 
    A tennis player feels a "pop" in her calf as she is playing. Her calf becomes tender and there is some slight amount of swelling. Upon examination, her physician informs her that she has ruptured the slender tendon of a small muscle that attaches to the calcaneus. She has apparently ruptured the:
    • A. 

      Gastrocnemius

    • B. 

      Plantaris

    • C. 

      Popliteus

    • D. 

      Soleus

    • E. 

      Tibialis posterior

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