wrong answers

Question 1

tool to differentiate dementia from delirium

Answer 1

confusion assessment method

Question 2

action of penicillin antibiotics

Answer 2

inhibition of cell wall synthesis

Question 3

how do bacteria build resistance against penicillins

Answer 3

beta lactamase production

Question 4

what antibiotics are prescribed to counter antibiotic res

Answer 4

beta lactamase inhibitors

Question 5

duloxetine

Answer 5

Duloxetine is an SNRI, so inhibits the reuptake of noradrenaline
(NA) at the synapse, meaning there is increased NA available, and
this increases the tone of the internal urethral sphincter.

Question 6

warfarin

Answer 6

Inhibits the reductase enzyme responsible for regeneration of
active vitamin K, hence inhibiting the production of vitamin
K-dependent clotting factors (II,VII, IX, X).

Question 7

t score and z score

Answer 7

T -score: the number of standard deviations of the patient’s bone
mineral density value is below that o f an average young adult
Z-score: the number of standard deviations the patient’s bone mineral
density value is below that o f a population matched for age, gender,
ethnicity, etc.

Question 8

bone sign myeloma

Answer 8

lytic lesions

Question 9

Why is levodopa often used in combination with another drug,
such as benserazide or carbidopa?

Answer 9

They are peripheral decarboxylase inhibitors, preventing L-dopa
from being broken down outside the CNS.

Question 10

why is levodopa not usually prescribed in younger patients

Answer 10

gradually becomes ineffective - so withheld until later