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Hemodyanmics

Hemodyanmics

(1) Line of Zahn are observed in:

Correct! Wrong!

(2) The most likely type of embolism following fracture is:

Correct! Wrong!

(3) A 92 year old woman is brought unconscious to the emergency room. Her blood pressure is 70/30 mm Hg. She is febrile (38°C/100.5°F) and tachypneic. Laboratory studies demonstrate a WBC count of 22,000/1AL with 92% neutrophils. Urin alysis reveals numerous Gram-negative organisms. Which of the following most likely accounts for this patient's signs and symptoms:

Correct! Wrong!

(4) A 55 year old woman following major abdominal surgery has had discomfort and swelling of her left leg for the past week. On physical examination, the leg is slightly difficult to move, and on palpation there is tenderness. A Doppler sonogram shows thrombosis of deep left leg veins. Which of the following mechanisms is most likely to contribute to her condition:

Correct! Wrong!

(5) A 32-year-old man is involved in a vehicular accident and sustains fractures of the right femur and tibia and the left humerus. The fractures are stabilized surgically. He is in stable condition for 2 days, but then suddenly becomes severely dyspneic. Which of the following complications from his injuries is the most likely cause of his sudden respiratory difficulty:

Correct! Wrong!

(6) The characteristic that differentiates a thrombus from a clot is:

Correct! Wrong!

(7) Shock results in:

Correct! Wrong!

(8) A 48 year old man after recovering from a myocardial infarction is advised by his physician to take one "baby" aspirin every day to reduce the chance of his developing a second myocardial infarction. The theory behind this advice is that aspirin decreases the formation of thrombi within the coronary arteries by inhibiting the platelet formation of which substance:

Correct! Wrong!

(9) While shaving one morning, a 23-year-old man nicks his lip with a razor. Seconds after the injury, the bleeding stops. Which of the following mechanisms is most likely to reduce blood loss from a small dermal arteriole:

Correct! Wrong!

(10) A 9 year-old boy suddenly develops severe testicular pain. He is taken to the emergency room, where he is evaluated and immediately taken to surgery. There his left testis is found to be markedly hemorrhagic due to testicular torsion. This abnormality caused a hemorrhagic testicular infarction because of:

Correct! Wrong!

(11) Irreversible shocks is characterized by:

Correct! Wrong!

(12) Paradoxical' embolism is one where:

Correct! Wrong!

(13) A patient admits to the ER after a jugular vein stabbing wound. What type of emboli would you most suspect to occur in this patient:

Correct! Wrong!

(14) Which of the following is a feature of a post mortem thrombus:

Correct! Wrong!

(15) Which of the following amounts of air is liable to produce significant pulmonary air embolism:

Correct! Wrong!

(16) Arterial thrombosis is seen in:

Correct! Wrong!

(17) A 25-year-old man with abdominal pain was diagnosed with acute appendicitis. He then had a sudden rise in temperature to 102°F and a sudden fall in blood pressure. Which one of the following is the most likely cause of the fever and hypotension:

Correct! Wrong!

(18) Which of the following statement is correct for Hemophilia- A:

Correct! Wrong!

(19) Which of the following changes best describes the pathophysiology involved in the production of pulmonary edema in patients with congestive heart failure:

Correct! Wrong!

(20) The breakage of long bones can result in:

Correct! Wrong!

(21) A 59 years old obese woman with a history of diabetes mellitus had a myocardial infraction 3 months ago. She is now taking a low dose of aspirin to reduce the risk of thrombosis. On which of the following steps in hemostasis does aspirin have his greatest effect:

Correct! Wrong!

(22) A 23 years old woman with an uncomplicated pregnancy develops sudden dyspnea with cyanosis and hypotensison during routine vaginal delivery of a full term infant. She has a generlized seizure and becomes comatose. Her condition does not improve over the next 2 days. Which of the following findings is most likely to present in the peripheral pulmonary arteries:

Correct! Wrong!

(23) Two days following a cholecystectomy, a 32 years old hospitilized woman has a sudden onset of dyspnea, pleural pain and cough productive of forthy blood tinged sputum. Ventilation-perfusion scintigraphy indicates a perfusion defect. If it were possible to examine a portion of the affected lung , which of the following would most likely have been found:

Correct! Wrong!

(24) A 78 years old woman falls and strike the back of her head. Over the next 24 hours, she becomes decreasingly sommolent. A head CT scan shows an accumulation of fluid beneath the dura, compressing the left cerebral hemisphere. Which of the following terms best describes the collection of fluid:

Correct! Wrong!

(25) Petechiae is best defined as:

Correct! Wrong!

(26) A 25 years old woman diganosed with breast cancer in the left breast underwent mastectomy. Postoperatively, she developed marked swelling of the left arm which is painless. She was a febrile on examination. Which of the following best describes the mechanism for this finding:

Correct! Wrong!

(27) Which one of the listed receptors is the type of receptor on leukocytes that binds to pathogen associated molecular patterens (PAMPs) and mediates the innate immune response to bacterial lipopolysaccharide:

Correct! Wrong!