McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Biology .
| 51. |
How long should you wait to get an LP before giving antibiotics? |
| A. | give antibiotics immediately |
| B. | 10 mins |
| C. | 20 mins |
| D. | 30 mins |
| E. | 45 mins |
| Answer» C. 20 mins | |
| 52. |
Which CSF finding is incorrect? |
| A. | antigenic studies are useful where partial treatment with antibiotics renders CSF sterile on culture |
| B. | antigenic studies are more sensitive when urine and serum are used as opposed to CSF |
| C. | in viral meningitis the main white cells usually seen are monocytes |
| D. | you would expect to see a raised CSF pressure in bacterial meningitis |
| E. | in viral meningitis you would expect to see a low glucose and a high protein |
| Answer» E. in viral meningitis you would expect to see a low glucose and a high protein | |
| 53. |
Which statement is incorrect about prophylaxis in meningitis? |
| A. | there is no prophylaxis available for pneumococcus only meningococcus and Hib |
| B. | it does not need to be given to the index case |
| C. | it should include all household contact where there has been close contact eg. Share eating utensils |
| D. | it should be given to the attending medical staff only if they did mouth to mouth |
| E. | rifampicin or ceftriaxone or ciprofloxacin are in the drugs involved |
| Answer» B. it does not need to be given to the index case | |
| 54. |
Which of the signs or symptoms below would concern you that the cause of a patients vertigo was central? |
| A. | associated vomiting |
| B. | worsens with position change |
| C. | associated tinnitus |
| D. | vertical nystagmus |
| E. | sudden onset |
| Answer» D. vertical nystagmus | |
| 55. |
Which of these is not consistent with vestibular neuronitis? |
| A. | horizontal nystagmus |
| B. | dysarthria |
| C. | vomiting |
| D. | constant for eight hours |
| E. | vertigo |
| Answer» B. dysarthria | |
| 56. |
What is NOT true of Guillian Barre Syndrome? |
| A. | frequently patients report an antecedent viral illness |
| B. | classical motor weakness is greater and earliest in the legs |
| C. | there is a lack of deep tendon reflexes |
| D. | there is peripheral sensory loss greater in the arms than the legs |
| E. | There may be autonomic disturbances |
| Answer» D. there is peripheral sensory loss greater in the arms than the legs | |
| 57. |
Which statement is false regarding Bells Palsy? |
| A. | The use of steroids is well proven to decrease duration of illness |
| B. | Steroids are definitely not of use if the presentation is one week post symptom onset |
| C. | The feature that excludes it from an upper motor nerve lesion is the inability to furrow the forehead |
| D. | Other cranial nerves are always normal |
| E. | It involves the 7th cranial nerve |
| Answer» A. The use of steroids is well proven to decrease duration of illness | |
| 58. |
Which of the drugs below is not known to cause an exacerbation of myasthenia gravis? |
| A. | prednisolone |
| B. | lignocaine |
| C. | chlorpromazine |
| D. | lithium |
| E. | penicillin |
| Answer» E. penicillin | |
| 59. |
Which is not a feature of myasthenia gravis? |
| A. | motor weakness is usually of proximal extremities and bulbar |
| B. | there is usually no sensory loss |
| C. | there is usually no reflex loss |
| D. | symptoms are often worse as the day progresses |
| E. | it is due to anitibodies formed against acetylcholineesterase |
| Answer» E. it is due to anitibodies formed against acetylcholineesterase | |
| 60. |
Which statement is FALSE about MS? |
| A. | 30% of patients will initially present with optic neuritis |
| B. | CSF protein and gammaglobulin levels are reduced in MS |
| C. | nearly all patients will demonstrate some abnormality on MRI |
| D. | the overall life expectancy is not usually reduced with MS |
| E. | MS symptoms will often worsen with fever and exercise |
| Answer» B. CSF protein and gammaglobulin levels are reduced in MS | |
| 61. |
A patient presents with right sided arm weakeness and a R facial droop with aphasia. Which artery distribution is the likely to be the cause of her stoke? |
| A. | right MCA |
| B. | left MCA |
| C. | right anterior cerebral artery |
| D. | left anterior cerebral artery |
| E. | left vertebrobasilar system |
| Answer» B. left MCA | |
| 62. |
Which CSF finding is incorrect? |
| A. | antigenic studies are useful where partial treatment with antibiotics renders the CSF sterile on culture |
| B. | antigenic studies are more sensitive when urine and serum are used as opposed to CSF |
| C. | in viral meningitis the main white cells usually seen are monocytes |
| D. | you would expect to see a raised CSF pressure in bacterial meningitis |
| E. | in viral meningitis you would expect to see a low glucose and a high protein |
| Answer» E. in viral meningitis you would expect to see a low glucose and a high protein | |
| 63. |
Which of the signs or symptoms below would concern you that the cause of a patients vertigo was central? |
| A. | associated vomiting |
| B. | worsens with position change |
| C. | associated tinnitus |
| D. | vertical nystagmus |
| E. | sudden onset |
| Answer» D. vertical nystagmus | |
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