30 Which of the following is used

30 Which of the following is used for treatment of angina +/or MI? a. aspirin b. propranolol c. diltiazem d. all of them 1 points 31 Thalamus a. processes all the sensory input on its way to cerebral cortex. b. screens out insignificant signals. c. provides exact perception of all the sensory information. d. All of the above are CORRECT. e. Only (a) and (b) are CORRECT. 1 points 32 Which of the following statement(s) about blood supply to brain is INORRECT? a. Internal Carotid artery enters skull at the level of optic chiasma. b. Circle of willis is formed by anastomosing vessels of internal carotid and basilar srtery. c. Vertebral arteries enter though formamen magnum. d. None of the above is INCORRECT. 1 points 33 In heart failure: a. Systolic failure is associated with lower ejection fraction: b. increased thickness of myocardium may lead to diastolic failure. c. severe tachycardia can lead to diastolic dysfunction. d. ALL of the above is CORRECT 1 points 34 Systolic heart failure involves: a. decrease in cardiac contractility b. decrease in diastolic filling c. decrease in ejection fraction d. A & C are CORRECT 1 points 35 Which of the following statement about survival the penumbra during “Stroke in Evolution” is INCORRECT? a. Glutamate excitotoxicity is NOT part of the pathology in the penumbra during the evolution of the stroke b. The amount of toxic factors released by dead cells can cause the penumbra to expand c. Time taken to establish normal blood flow in brain will determine fate of penumbra d. There are a umber of necrotic cells present in the center of penumbra. e. minimally perfused cells (ischemic band) surround the necrotic core SCIENCE HEALTH SCIENCE NURSING BIO 3120

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