AKT mock 1 Flashcards
What organisms are capable of causing post splenectomy sepsis?
Streptococcus pneumoniae
Haemophilus influenzae
Meningococci
What is the thrombylitic window for ischaemic stroke and what medication should be delivered within this?
4.5 hrs - should be given alteplase
What medication should be given if someone is identified to have an ischaemic stroke and is outside the thombolysis window?
Aspirin
What does obstructive lung disease show on lung function tests?
FEV1 - significantly reduced
FVC - reduced or normal
FEV1/FVC ratio - reduced
What does restrictive lung disease show on lung function tests?
FEV1 - reduced
FVC - significantly reduced
FEV1/FVC ratio - normal or increased
What are some examples of obstructive lung disease?
Asthma
COPD
Bronchiectasis
What are some examples of restrictive lung disease?
Pulmonary fibrosis
Asbestosis
Sarcoidosis
ARDS
Neuromuscular disorders
Severe obesity
What scoring system is used to identify patients at risk of pressure sores?
Waterlow score
Damage to the temporal lobe causes what visual field defect?
Contralateral superior homonymous quadrantanopia
(Temporal on Top)
Damage to the parietal lobe causes which visual field defect?
Contralateral inferior homonymous quadrantanopia
Damage to the occipital lobe causes which visual field defect?
Contralateral homonymous hemianopia with macular sparing
if asthma is not controlled by a SABA (salbutamol) what is the appropriate next step in management?
Add low dose ICS
What has features of sudden painless loss of vision and severe retinal haemorrhages on fundoscopy?
Occlusion of the central retinal vein
What presents with microaneurysms, dot and blot haemorrhages, hard exudates, and cotton wool spots?
Diabetic retinopathy
What presents with sudden painless vision loss and a pale retina with a cherry-red spot at the fovea on examination?
Occlusion of the central retinal artery
What is the mechanism of action of memantine?
NMDA receptor antagonist
If a patient presents with a fever on alternate days after having travelled abroad, what are they likely to have contracted?
Malaria
(will also see headache, myalgia, hepatomegaly)
Which disease presents with a febrile phase, a critical phase (including abdominal pain, vomiting and tachypnoea) and then finally a recovery phase?
Dengue fever
What symptoms would an acute hep B infection present with?
Anorexia, nausea and right upper quadrant pain
How does typhoid fever initially present?
Starting with week one the patient will have a dry cough, fever, epistaxis and malaise.
What drug from the following can cause hyponatraemia?
A. Tolvaptan
B. Omeprazole
C. Ranitidine
D. Metformin
E. Phenytoin
Omeprazole
How would you differentiate meningitis and encephalitis?
Cerebral function usually remains normal in a patient with meningitis while in encephalitis, however, abnormalities in brain function are a differentiating feature, including altered mental status.
How is encephalitis managed?
prompt treatment with aciclovir by intravenous infusion should be started to cover herpes simplex virus (HSV) -1 infection.