A patient presents with an area of cellulitis with discharge on their foot following a puncture wound A swab shows a large number of gram positive rods on initial culture.
Which organism does this most likely represent?

You suspect cauda equina syndrome in an 85 year old man with metastatic cancer On examination there is loss of anal tone Which myotomes are most likely to be affected and causing this examination finding?

A 17 year old girl presents with a maculopapular rash She has a seven day history of fever and sore throat and was prescribed an antibiotic three days ago Which antibiotic is most likely to have been prescribed?

A 37 year old man is injured and has significant blood loss Following blood transfusion his systolic blood pressure increases from 70 to 100 Which physiological parameter is most likely to decrease in response?

A 32 year old builder slips with an angle grinder causing a deep facial wound which intersects with the inferomedial edge of the orbit and leaves exposed damaged bone.
What bone is most likely affected?