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Quiz

Cardiovascular & Thoracic Surgery - CS (61-90)

Sonya B. 30 perguntas

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Perguntas do quiz (30)

  1. 1Which of the following statements is true?
    1. ASeldinger puncture arteriography is most commonly done by brachial artery puncture
    2. BRenal impairment is not a contraindication for arteriography
    3. CThe femoral path is preferable when the pulses in the femurs are weak or absent.
    4. DDirect puncture of a vascular prosthesis is preferred.
    5. ECross-over arteriography is indicated in the absence of a pulse in the contralateral femur.
  2. 2In order to save the extremity in optimal conditions, the period of time between the onset of ischemia and the beginning of the treatment (respectively in the restoration of arterial flow) must be shorter than:
    1. A1-2 hours
    2. B4-6 hours
    3. C6-8 hours
    4. D10-12 hours
    5. E12-24 hours
  3. 3Given the fact that in most patients who have suffered vascular injury the collateral circulation is poorly developed (patients are rather young, with normal arteries) -irreversible ischemia occurs:
    1. AEarlier
    2. BLater
    3. CCannot appear
    4. DAs a result of muscle mass trauma
    5. EAs a result of nerve damage
  4. 4A number of factors directly influence the prognosis in vascular treatments, with the exception of:
    1. AThe period of time between the moment of the trauma and the appropriate therapeutic intervention.
    2. BYoung age
    3. CAnatomical location
    4. DAssociated bone lesions
    5. EAssociated nerve damage.
  5. 5 Which of the following statements is false:
    1. AIn vascular trauma, aerteriography is the most accurate diagnostic procedure for diagnosing a vascular lesion.
    2. BNegative arteriography excludes an arterial lesion in a patient with equivocal signs
    3. CArteriography specifies the exact location, nature and extent of the vascular lesion (s) for treatment.
    4. DArteriography is indicated in hemodynamically unstable patients
    5. EIntraoperative atheroscopy is preferred.
  6. 6Therapeutic attitude in case of arterial lesions associated with other lesions involves the following, except:
    1. AIf the arterial lesion is associated with a venous lesion, the last one will generally be resolved first.
    2. BIn case of association of bone lesions, the vascular lesion will be resolved first, regardless of the severity of the ischemia.
    3. CLife-threatening associated lesions are among the few indications for ligation and not for arterial repair.
    4. Dindication for amputation is represented by bone loss over 6 cm
    5. EThe presence of shock or associated multiple lesions are relative indications for amputation.
  7. 7The first therapeutic step in acute ischemia due to embolism should be:
    1. AAdministration of a bolus of heparin
    2. BHeating of the ischemic limb
    3. CPerform the embolectomy as soon as possible.
    4. DAdministration of strong analgesics such as morphine or pethidine
    5. EAdministration of mannitol along with alkalinization of urine to prevent acute renal failure.
  8. 8Select the false statement:
    1. AHeparin-induced thrombocytopenia has a good vital and functional prognosis
    2. BThrombocytopenia occurs in 1-2% of heparin treatments, usually between the 5th and 7th day and is manifested by venous or arterial thrombotic phenomena
    3. CMechanism of heparin-induced thrombocytopenia is immunoallergic
    4. DThe risk of thrombocytopenia is similar for all types of heparin
    5. EThe first therapeutic action in heparin-induced thrombocytopenia is to stop the administration
  9. 9The treatment with Antagonists of Vit. K is contraindicated in the following situations, except:
    1. AIn case of hemorrhagic diathesis
    2. BMalignant hypertension
    3. CIf the psycho-social context of the patient does not allow adequate supervision of treatment
    4. DAt age <75 years
    5. EAt age> 75 years
  10. 10Which of the following statements is false?
    1. AThe main determinant of the long-term permeability of a graft is the condition of the peripheral vascular bed
    2. BThe 5-year permeability of a femuropopliteal graft exceeds 90%
    3. CThe 5-year permeability of an aortofemoral graft exceeds 90%
    4. DExtra-anatomical bypass is a procedure used in high-risk patients and is intended to avoid major intra-abdominal intervention
    5. EThe best long-term patent is observed when using venous grafts

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5/6 USMF, MED. 2, 5th Year (Cardiovascular & Thoracic Surgery) Quiz sobre Cardiovascular & Thoracic Surgery - CS (61-90), criado por Sonya B. em 23-09-2026.
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