AMEDEX MCQS

Question 1

is the most common complication of scaphoid fracture

seen in 13-40% of patients.

Answer 1

Avascular necrosis

Question 2

is the second most common

complication of scaphoid fracture occurring in 5-12%.

Answer 2

Nonunion

Question 3

The earliest potential complication of a wrist fracture

Answer 3

Ischemic Volkmann contracture.

Question 4

Management option of a symptomatic mole on the cheek of a 50-year-old man?
A Treat the lesion using liquid nitrogen.
B Ask the patient to return for review in 3 months.
C Remove the lesion using laser.
D Use topical imiquimod for 6 weeks.
E Perform excisional biopsy of the lesion for histopathology.

Answer 4

E Perform excisional biopsy of the lesion for histopathology.

Question 5

absolute contraindication to ACE inhibitor use?
A previous history of angioneurotic edema.
Renal insufficiency.
Asthma.
A history of recent myocardial infarction.
A cardiac ejection fraction of <25%.

Answer 5

A previous history of angioneurotic edema.

Question 6

following is not a contraindication to ACE inhibitor use?
A Bilateral renal artery stenosis.
Pregnancy.
Cough.
Angioedema.
Previous allergic reaction to ACE inhibitors.

Answer 6

Cough

Question 7

28yr woman hx recurrent headache 6 months,now lasting for 1 hour, neck stiffness periobital pain.immediate treatment?
A. Aspirin
B. Prednisolone
C. Paracetamol
D. Sumatriptan.

Question 8

35 yr lady huge uterine fibroids worked up for surgery.most important investigation pre-op?
A) eucr
B) FBC
C) clotting profile

Answer 8

C) clotting profile

Question 9

22-yr woman immigrant confirmed positive pregnancy test.HIV positive.NOT be part of management plan?
Oral zidovudine for the newborn until 6 weeks of age
Maternal antiretroviral therapy
Encourage breast feeding
Intrapartum zidovudine infusion
Elective caesarean section

Answer 9

Encourage breast feeding

Question 10

72-yr man ED feeling lethargic past 2 weeks.yellow-green tinge vision.
past history atrial fibrillation,depression,myocardial infarction 3 years ago.
Digoxin concentration 3 mcg/l (<1 mcg/l)
What drug may have precipitated this?

Bendroflumethiazide
Citalopram
Isosorbide mononitrate
Ramipril
Simvastatin

Answer 10

Bendroflumethiazide

Thiazides may cause precipitation of digoxin toxicity

Question 11

65-yr woman weakness of thighs and shoulders difficulty climbing stairs lifting objects. purple rash on face eyelids.itchy and painful papules over the metacarpophalangeal joints.
antibody most likely to be positive in this patient?

Anti-CCP
Anti-Jo-1
Anti-La
Anti-Ro
Anti-Scl-70

Answer 11

Anti-Jo-1

Dermatomyositis is associated with the anti-Jo-1 antibody

Question 12

patient noticed stroke when woke up Now ED 8hours later.CT scan shows anterior circulation ischaemic stroke.
most suitable immediate treatment?

Inferior vena cava filter
Nimodipine
Thrombectomy
Thrombolysis
Unfractionated heparin

Answer 12

ThrombectomY

time of 6-24 hours may be considered

Question 13

Which one of the following antibiotics is most likely to cause pseudomembranous colitis?

Ceftriaxone

Erythromycin

Gentamicin

Trimethoprim

Piperacillin-tazobactam

Answer 13

Ceftriaxone

Cephalosporins, not just clindamycin, are strongly linked to Clostridium difficile

Question 14

new nurse undergoes vaccination against hepatitis B. results obtained AFTER 3months
Anti-HBs: 10 - 100 mIU/ml
An antibody level of >100 mIU/ml indicates a good immune response with protective immunity
most appropriate course of action?

Repeat course (i.e. 3 doses) of hepatitis B vaccine
Repeat anti-HBs level in three months time
Give a course of hepatitis B immune globulin (HBIG) + one further dose of hepatitis B vaccine
Give one further dose of hepatitis B vaccine
Do a HIV test

Answer 14

Give one further dose of hepatitis B vaccine

Question 15

45-yr man nausea, sweating severe central crushing chest pain radiates to left arm.ECG shows widespread ST depression with T wave inversion. haemoglobin 75g/L.appropriate to treat his anaemia?

Oral iron
Transfusion of packed red cells
Intravenous iron
Delay treatment until his ECG returns to normal
Intravenous Hartmann's solution

Answer 15

Transfusion of packed red cells

The transfusion threshold for patients with ACS is 80 g/L

Question 16

24-yr male runner bilateral anterior knee pain. worse with stairs. sits for prolonged time, the knees ache. Strengthening of muscles will lead to improvement?
A Quadriceps
B Hamstrings
C Hip abductors
D Hip adductors
E Internal rotators

Answer 16

A: Correct Answer :Quadriceps

Question 17

30-yr cocaine user keen to discontinue his drug use, but reports withdrawal symptoms.expected from cocaine withdrawal?
A Insomnia
B Tachycardia
C Hypertension
D Depression
E Paranoia

Answer 17

D Depression

severe depression with suicidal ideation

Question 18

22-yr male rugby player tonsillitis persisted for past 2 weeks. previous doctor prescribed antibiotics 1 week ago but no improvement.unable to eat or drink well due to pain difficulty swallowing, feeling weak & abdominal pain. febrile at 39°C tonsils are both enlarged covered in white exudates. Tender cervical lymph nodes and spleen are palpable. NOT appropriate advice for this patient?

A Rest at home
B Avoid rugby training for 4 weeks
C Taking over-the-counter medicine for pain and fever
D Drink plenty of fluids
E Practise social distancing until fully recovered

Answer 18

E: Correct Answer :Practise social distancing until fully recovered

Question 19

6-yr Aboriginal boy Northern Territory greenish discharge from his right ear for past 2months.tympanic perforation via otoscope. most common sequelae from this ear condition?

A Mastoiditis
B Cholesteatoma
C Hearing loss
D Complete recovery
E Intracranial infections

Answer 19

C: Correct Answer :Hearing loss

90 per cent of children with CSOM had permanent hearing loss of >15 decibels (dB).

Question 20

60-yr overweight man presents to ED one-week painful jaundice.RUQ abdominal pain worsening with dark urine pale stools.no weight loss denies alcohol or drug use.(LFT) shows the following:
Bilirubin of 40 micromol/L (N: 0-17 micromol/L)
ALT of 40 iu/L (N: 10-55 iu/L)
AST 50 iu/L (N: 10-40 iu/L)
ALP of 350 iu/L (N: 30-100 iu/L)
most likely diagnosis?
A Autoimmune hepatitis
B Carcinoma of the head of pancreas
C Alcoholic hepatitis
D Viral hepatitis
E Gallstones

Answer 20

E: Correct Answer :Gallstones

Question 21

20-yr traveler pruritic rash.erythematous papules in b/w his fingers,wrists, around his waist. reports several travelers having similar itchy rash.For which of the following is this distribution characteristic?

A Flea bites
B Scabies
C Chigger bites
D Bedbugs
E Body lice

Answer 21

B: Correct Answer :Scabies

Question 22

Which of the following antibiotics is unsafe in all trimesters?

A:Tetracycline
B:Erythromycin
C:Penicillin
D:Ampicillin
E:Trimethoprim-sulfamethoxazole

Answer 22

A: Correct Answer :Tetracycline