Minerva SBA 4

Question 1

Patient has severe pain in his left arm and is unable to extend his left wrist or fingers. An x-ray shows a fractured mid-shaft of the left humerus.

What is the most likely nerve to have been injured?

Answer 1

Radial

Question 2

A 21 year old student presents with an eight week history of a progressively enlarging neck lump. She is otherwise well.

On examination she has an enlarged, non-tender cervical lymph gland measuring 4cm in diameter.

What is the most appropriate next investigation?

Answer 2

US neck

Question 3

The principal neurotransmitter associated with mediating the effects of the parasympathetic arm of the autonomic nervous system is?

Answer 3

Ach

Question 4

The principal mechanism of action of fluoxetine (Prozac) in the treatment of depression is to:

Answer 4

prevent the reuptake of serotonin

Question 5

What receptor does salbutamol work on and how?

Answer 5

Agonist of beta 2 adrenoceptors