gen med 2

Question 1

Insuln or saline first in diabeticketoacidosis

Answer 1

isotonic saline first even if severely acidotic
- 1L IV 0.9% NaCl ober 1 he

Question 2

Rate and type of insulin infusion for DKA? When is dextrose added to the infusion

Answer 2

0.1unit/kg/hr

Once blood glucose <14
–> infusion of 10% dextrose should be started
- 125mls/hr IN ADDITION to 0.9% NaCl

Question 3

DKA resolution criteria

Answer 3

pH >7.3
Blood ketones <0.6
Bicarb >15

Question 4

Thiazide diuretics effect on calcium

Answer 4

hypercalcaemia

And hypocalcuria

Question 5

Inferior MI and Aortic regurg - raise suspicions ?

Answer 5

proximal aortic dissection

Question 6

definitive diagnosis of small bowel obstruction

Answer 6

CT abdomen

Question 7

commonest cause of PAINLESSS massive Gi bleed requiring trnfusion in 1-2yrs

Answer 7

Meckels diverticulum

Question 8

which cranial nerves are affected in acoustic neuroma? how does damage to each present?

Answer 8

V = absent corneal reflex

VII = facial palsy

VIII = unilateral tinnitus, vertigo, sensorineural hearing loss

Question 9

knee + biceps reflex innervation

Answer 9

knee = L3 & L4 - femoral nerve

biceps = C5 & C6 - musculocutaneous

Question 10

gram positive diplococci seen in sx of meningitis

Answer 10

streptococcus pneumoniae !!

Neisseria meningitidis = gram negative cocci

Question 11

are listeria + c diff gram pos or neg

Answer 11

gram pos bacilli !!

Question 12

drugs other than BB + lithium that exacerbatepsoriasis

Answer 12

NSAIDs
ACEi

antimalarials - chloroquine + hydroxychloroquine