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QoD 16.5

Mike Ru 10 preguntas

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Preguntas del test (10)

  1. 1A 50-year-old woman is undergoing a mitral valve repair. She has been taking garlic prior to surgery as an herbal supplement to reduce blood pressure and improve her overall health. She has significant mediastinal blood loss after separation from bypass. Which of the following effects can MOST be attributed to garlic?
    1. AIncreased fibrinolysis
    2. BIncreased consumption of coagulation factors
    3. CInhibition of the prothrombinase complex
    4. DInhibition of platelet aggregation
  2. 2An 80-year-old man has been in the ICU for 12 hours following an aortic valve replacement and has been on nitroprusside for control of hypertension. Which of the following is MOST responsible for the toxicity caused by nitroprusside?Imagen de la pregunta 2
    1. AAccumulation of thiosulfate and cyanide
    2. BFormation of cyanmethemoglobin
    3. CInactivation of cytochrome oxidase
    4. DProduction of thiocyanate
  3. 3A 79-year-old patient suffers an ascending aortic dissection and presents with acute pericardial tamponade physiology. The patient demonstrates pulsus paradoxus on his arterial waveform tracing. What physiologic event MOST accounts for this pulsus paradoxus?Imagen de la pregunta 3
    1. AIncreased systemic vascular resistance
    2. BReduced diastolic filling
    3. CShift of interventricular septum
    4. DTachycardia
  4. 4A patient with preeclampsia is receiving magnesium and has a magnesium level of 10 mEq/L. A magnesium level of 10 mEq/L is MOST associated with which of the following?
    1. AHeart block
    2. BIncreased sensitivity to both depolarizing and non-polarizing muscle relaxants
    3. CTherapeutic range for seizure prophylaxis
    4. DNo side effects
  5. 5Which nerve provides motor innervation to the cricothyroid muscle?
    1. AExternal branch of superior laryngeal nerve
    2. BInternal branch of superior laryngeal nerve
    3. CGlossopharyngeal nerve
    4. DRecurrent laryngeal nerve
  6. 6An 8-year-old, obese girl with severe obstructive sleep apnea is taken to the PACU after a tonsillectomy and adenoidectomy. On arrival, she is tachycardic, dyspneic, tachypneic, and anxious. Her SpO2 is 89% despite 4L nasal cannula. Auscultation reveals occasional wheezes bilaterally. A chest radiograph reveals diffuse interstitial and alveolar infiltrates. Given these findings, which of the following is the MOST likely diagnosis?
    1. AAcute respiratory distress syndrome
    2. BNegative pressure pulmonary edema
    3. CPulmonary aspiration
    4. DPulmonary hemorrhage
  7. 7While performing an interscalene block with a nerve stimulator, the patient’s diaphragm begins to twitch. In order to successfully perform the block, the needle should be redirected in which of the following directions?Imagen de la pregunta 7
    1. AAdvanced because the needle tip is too shallow
    2. BWithdrawn because the needle tip is too deep
    3. CRedirected anteriorly because the needle tip is too posterior
    4. DRedirected posteriorly because the needle tip is too anterior
  8. 8A 62-year-old woman with hyperparathyroidism underwent a parathyroidectomy 24 hours ago. She complains of numbness and tingling in her hands and feet and mild shortness of breath. Which of the following laboratory abnormalities is MOST consistent with her symptoms?
    1. AHypocalcemia
    2. BHypokalemia
    3. CHypermagnesemia
    4. DHyperphosphatemia
  9. 9A previously healthy 78-year-old woman sustains a left femur fracture and is in the operating room undergoing a left femur intramedullary rod placement. During bone reaming her blood pressure acutely drops from 130/70 mmHg to 90/45 mmHg, her heart rate increases from 80 to 115 bpm, and her SpO2 falls to 88%. Which of the following signs is MOST specific for fat embolism ?
    1. ADecreased hemoglobin
    2. BPaO2 75 mmHg on 100% oxygen
    3. CPetechial rash on upper body
    4. DLeft ventricular dilation
  10. 10Which of the following is MOST correct regarding the MOST common cause of transfusion related mortality?
    1. AIt is due to clerical error
    2. BIt is due to gram-negative bacteria
    3. CIt is due to neutrophilic immune response
    4. DIt is due to platelet-mediated response

Información

Descripción
September 2016
Autor
Mike Ru
Idioma
English
Visitas
39
Valoración
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