Practice exam questions

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Practice exam questions
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2010-07-17 20:48:11
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Anatomy practice questions
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  1. Dorsal rami of spinal nerves innervate all of the following EXCEPT the:
    latissimus dorsi muscle
    skin between the medial (dorsal) borders of the scapulae
    erector spinae muscle
    interspinous ligament
    latissimus dorsi muscle
  2. A posterolateral herniation of the nucleus pulposus of the C6-C7 intervertebral disc is most likely to encroach upon the C7 spinal nerve (or roots)
    True
    False
    True
  3. While a standing patient is moving through the midrange of spine flexion the deep back muscles (erector spinae) show a:
    isometric contraction
    lengthening (eccentric) contraction
    shortening (concentric) contraction
    no contraction
    lengthening (eccentric) contraction
  4. In the upright position the most gravitationally dependent recess of the pleural cavity is the costodiaphragmatic recess.
    True
    False
    True
  5. Which of the following statements is INCORRECT?
    upper lumbar cord segments are typically located at the T11 vertebral level
    the subarachnoid space ends at the S1-2 vertebral level
    cerebrospinal fluid (CSF) is normally located in the epidural space
    the spinal cord typically ends at the L1-2 vertebral levels
    cerebrospinal fluid (CSF) is normally located in the epidural space
  6. In quiet breathing, the horizontal fissure of the right lung intersects the midaxillary line at the level of the 4th rib and the parasternal (sternal) line at the level of the 3rd rib (costal cartilage)
    True
    False
    False
  7. All of the following features predispose the intervertebral disc to posterolateral herniation EXCEPT:
    the disc is least reinforced posterolaterally by external ligaments
    the posterior part of the annulus firbosus is subjected to maximal tensile stresses during the predominant motion of the spine, flexion
    the annulus fibrosus is thinnest posteriorly
    the posterolateral part of the annulus fibrosus is only made up of loose connective tissue
    the posterolateral part of the annulus fibrosus is only made up
  8. The supraclavicular cutaneous peripheral nerves are most involved in diaphragmatic referred pain.
    True
    False
    True
  9. If you wanted to introduce a needle into the pleural cavity in the scapular line with no danger of puncturing the lung you would introduce the needle between the:
    4th and 6th ribs
    10th and 12th ribs
    8th and 10 ribs
    6th and 8th ribs
    10th and 12th ribs
  10. Radial, median, and thoracodorsal nerves are derived from the brachial plexus (terminal or preterminal) which contain fibers from both C7 and C8 spinal cord segments.
    True
    False
    True
  11. Lower intercostal nerves innervate all of the following EXCEPT the:
    abdominal wall skin
    visceral pleura
    intercostal muscles
    ribs
    visceral pleura
  12. The median cubital vein is located superficial to the bicipital aponeurosis.
    True
    False
    True
  13. Which of the following arteries could NOT be utilized in the collateral circulation around an occlusion of the descending aorta immediately distal to the left subclavian artery?
    internal thoracic arteries
    posterior intercostal arteries
    superior epigastric arteries
    brachial arteries
    brachial arteries
  14. The median nerve and the brachial artery are located deep to the bibipital aponeurosis.
    True
    False
    True
  15. Typically the most anterior (anterosuperior) structure at the lung root is the:
    main bronchus
    pulmonary artery
    bronchial artery
    superior pulmonary vein
    superior pulmonary vein
  16. During forcible pronation of the forearm, flexion of the arm at the elbow is produced primarily by the brachialis muscle
    True
    False
    True
  17. Which of the following muscles receive the most nerve fibers from C5 and C6 spinal cord segments?
    anterior forearm muscles
    posterior forearm muscles
    intrinsic muscles of the hand
    intrinsic shoulder muscles
    intrinsic shoulder muscles
  18. At the wrist, the median nerve is located just medial to the tendon of the flexor carpi radialis muscle.
    True
    False
    True
  19. A lesion of the accessory nerve and the long thoracic nerve would produce which of the following deficits?
    weakness in turning the face to the opposite (contralateral) side
    weakness in same side (ipsilateral) shoulder shrugging
    reduced range of motion in ipsilateral shoulder abduction
    all of the above
    all of the above
  20. At the wrist, the major weight bearing articulation occurs between the radius proximally and the scaphoid and lunate bones distally.
    True
    False
    True
  21. Which of the following is an INCORRECT match?
    pectoralis major - abduction of the arm at the shoulder
    latissimus dorsi - extension of the flexed arm at the shoulder
    subscapularis - internal rotation of the arm at the shoulder
    teres minor - external rotation of the arm at the shoulder
    pectoralis major - abduction of the arm at the shoulder
  22. Abduction of the 2nd, 3rd, 4th, and 5th digits of the hand tests the function of the (dorsal) interossei
    True
    False
    True
  23. Which of the following is an INCORRECT statement about the scalene interval?
    narrowing of this interval does not compromise the subclavian vein
    its boundaries include the first rib and the middle and anterior scalene muscles
    ventral rami and trunks of the brachial plexus emerge from this interval into the posterior triangle.
    a narrowing of the scalene interval will not affect the arterial supply to the upper limb.
    a narrowing of the scalene interval will not affect the arterial supply to the upper limb
  24. The azygos bein courses posterior, then superior to the right lung root to enter the superior vena cava.
    True
    False
    True
  25. A T1 spinal cord lesion would result in:
    loss of thumb flexion
    loss of wrist and finger flexion
    diminished sensation over the medial forearm
    weakness in elbow extension
    diminished sensation over the medial forearm
  26. The sinoatrial (SA) node is located on the epicardial surface of the right atrium at the junction of the superior vena cava and the sulcus terminalis.

    True
    False
    True
  27. Which of the following
    statements is FALSE regarding the subdeltoid (subacromial) bursa?

    the bursa lies immediately
    inferior to the coracoacromial arch
    the bursa is intimately
    related to the pectoralis major tendon
    the bursa contains the
    supraspinatus muscle tendon in its floor
    an inflammation of this
    bursa can cause pain during abduction of the arm
    the bursa is intimately related to the pectoralis major tendon
  28. Cardiac veins drain posteriorly into the coronary sinus which lies in the posterior portion of the left atrioventricular sulcus.
    True
    False
    True
  29. Which of the following statements is FALSE regarding the
    subdeltoid (subacromial) bursa?
    the bursa lies immediately inferior to the coracoacromial
    arch
    the bursa is intimately related to the pectoralis major
    tendon
    the bursa contains the supraspinatus muscle tendon in its
    floor
    an inflammation of this bursa can cause pain during
    abduction of the arm
    deep brachial artery (deep artery of the arm) and radial nerve
  30. Which pair of artery and nerve structures is most at risk
    from damage with a fracture of the humerus at mid-shaft?

    brachial artery and median nerve
    posterior humeral circumflex artery and axillary nerve
    deep brachial artery (deep artery of the arm) and radial
    nerve
    radial artery and deep radial nerve
    True
  31. To locate the radial arterial pulse at the wrist, you wouldpalpate just lateral to the flexor carpa radialis tendon
    True
    False
    deep branch of the radial nerve
  32. Tapping the tendon of the triceps brachii muscle is a good
    test for the integrity of all of the following structures EXCEPT the

    posterior cord of the brachial plexus
    middle trunk of the brachial plexus
    deep branch of the radial nerve
    C7 segment of the spinal cord
    deep branch of the radial nerve
  33. The right recurrent laryngeal nerve recurs around theright subclavian artery

    True
    False
    True
  34. Which of the following structures is a feature of the
    proximal ulna?

    coronoid fossa
    olecranon
    capitulum
    trochlea
    olecranon
  35. Natural points of esophageal narrowing (where carcinoma of
    the esophagus has a high incidence) appears at the 4th stenocostal junction.
    True
    False
    False
  36. To locate the radial arterial pulse at the wrist, you would
    palpate just:

    medial to the flexor carpi radialis tendon
    lateral to the palmaris longus tendon
    lateral to the flexor carpi radialis tendon
    lateral to the flexor carpi ulnaris tendon
    lateral to the flexor carpi radialis tendon
  37. In the posterior mediastinum, the thoracic duct
    is located between the ascending aorta and the azygos vein.
    True
    False
    False
  38. The "anatomical snuff box":

    Boundaries
    Contents
    Bones that can be palpated




    True False
    • Boundaries: Tendon of extensor pollicis longus and extensor pollicis brevis and abductor pollicis longus
    • Contents: Radial a.; Cephalic v.; Radial n.
    • Trapezium and scaphoid bones
  39. CSF is in which space?
    Subarachnoid space
  40. Typically the most anterior (anterosuperior)
    structure at the lung root is the superior pulmonary vein.

    True
    False
    True
  41. The "antomical snuff box":

    is bounded by the tendons of the adductor pollicis and
    extensor carpa radialis longus muscles
    is bounded dorsally by the tendon of extensor pollicis
    longus and ventrally by the tendors of extensor pollicis brevis and abductor
    pollicis longus
    has the hamate bone in its floor
    has the ulnar artery in its floor
  42. An inability to extend the wrist would result from alesion of the median nerve
    True
    False
    False
  43. A patient with carpal tunnel syndrome could exhibit all of
    the following deficits EXCEPT:

    weakness in simultaneous MP joint flexion and IP joint
    extension of the 2nd and 3rd digits
    sensory loss in skin over the lateral 1/2 of the palm
    weakness in thumb opposition
    sensory loss in skin on the palmar aspect of the lateral 3
    1/2 digits
    sensory loss in skin over the lateral 1/2 of the palm
  44. All of the following deficits could result from a lesion of
    the ulnar nerve at the wrist EXCEPT:

    inability to adduct the little finger
    inability to flex the DIP joint of the little finger
    reduced sensation in skin over the palmar surface of the
    medial 1 1/2 digits of the hand
    inability to adduct the thumb
    inability to flex the DIP joint of the little finger
  45. An inability to extend the wrist would result from a lesion
    of the :
    musculocutaneous nerve
    median nerve
    radial nerve
    ulnar nerve
    radial nerve
  46. The right recurrent laryngeal nerve:
    supplies sympathetic input to the cardiac plexus
    recurs around the right subclavian artery
    loops under the liamentum arteriosum
    gives off multiple branches to the distal esophagus
    inability to adduct the thumb
    recurs around the right subclavian artery
  47. In the posterior mediastinum, the thoracic duct is located:
    along the left aspect of the esophagus
    posterior to the esophagus, between the azygos vein and the
    descending aorta
    between the ascending aorta and the azygos vein
    anterior to the descending aorta, the esophagus, and the
    azygos vein
    posterior to the esophagus, between the azygos vein and the descending aorta
  48. Which of the following statements about direct visceral
    branches of the sympathetic autonomic nervous system is NOT true?
    they exit the sympathetic trunk through the gray
    communicating rami
    those going to the esophagus arise from the upper thoracic
    sympathetic trunk
    they contain postganglionic GVE fibers from the sympathetic
    trunk
    those going to the cardiac plexuses arise from both cervical
    and upper thoracic levels of the sympathetic trunk
    they exit the sympathetic trunk through the gray communicating rami
  49. Natural points of esophageal narrowing (where carcinoma of
    the esophagus has a high incidence) include all of the following levels EXCEPT:
    the beginning of the esophagus
    the tracheal bifurcation
    the esophageal hiatus of the diaphragm
    the 4th sternocostal junction
    the 4th sternocostal junction
  50. Where would you place your stethoscope to listen best to
    aortic valve sounds?
    parasternally to the right 2nd intercostal space
    parasternally in the left 2nd intercostal space
    parasternally in the right 4th intercostal space
    none of the above
    parasternally to the right 2nd intercostal space
  51. Two nerves derived from the brachial plexus (terminal or
    preterminal) which contain fibers from both C7 and C8 spinal cord segments?
    axillary and deep radial nerve
    ulnar and musculocutaneous
    thoracodorsal and radial
    supraclavicular and median
    thoracodorsal and radial

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