Gastroenterology Flashcards
According to current national guidelines, which ONE of the following is considered the FIRST choice serological test to diagnose coeliac disease?
A. Immunoglobulin A (IgA) tissue transglutaminase (tTGA)
B. Immunoglobulin A (IgA) endomysial antibodies (EMA)
C. Immunoglobulin A (IgA) anti-gliadin antibodies (AGA)
D. Human leukocyte antigen (HLA) DQ2 / DQ8
E. Immunoglobulin A (IgA)
Answer: A. Immunoglobulin A (IgA) tissue transglutaminase (tTGA)
Justification: IgA tissue transglutaminase is the first-choice serological test, with IgA EMA used if IgA tTGA is weakly positive.
Resource: NICE. Coeliac Disease: recognition, assessment and management. NG20. 2015.
Which of the following is the SINGLE MOST likely food to trigger an abnormal mucosal immune response in coeliac disease?
A. Egg
B. Milk
C. Cheese
D. Peanut
E. Rye
Answer: E. Rye
Justification: Dietary proteins (glutens) are present in barley, rye and wheat.
Resource: RCGP. Diagnosis and management of coeliac disease and its immunological comorbidities.
A 27-year-old man had acute gastroenteritis six weeks ago while on holiday in Morocco. He now has early morning low back pain improving with movement.
What is the SINGLE MOST appropriate initial treatment?
A. Metronidazole
B. Codeine phosphate
C. Naproxen
D. Ciprofloxacin
E. Prednisolone
Answer: C. Naproxen
Justification: Suggests reactive arthritis. First-line treatment is a non-steroidal anti-inflammatory drug.
Resource: RCGP Learning.
A 47-year-old man has recurrent anal pain on defaecation with fresh rectal bleeding. He has tried topical anaesthetic ointment without relief.
What is the SINGLE MOST appropriate initial topical medication to prescribe?
A. Miconazole 2% cream
B. Ibuprofen gel 5%
C. Cinchocaine hydrochloride 0.5%, hydrocortisone 0.5% ointment
D. Glyceryl trinitrate (GTN) ointment 0.4%
E. Diltiazem cream 2%
Answer: D. Glyceryl trinitrate (GTN) ointment 0.4%
Justification: For adults with primary anal fissure not resolving, GTN ointment is recommended.
Resource: NICE CKS. Anal fissure management.
A 43-year-old woman has severe epigastric pain radiating to the back, relieved by sitting forward. Gallstones confirmed on ultrasound.
What is the SINGLE MOST likely diagnosis?
A. Biliary colic
B. Acute cholecystitis
C. Ascending cholangitis
D. Acute pancreatitis
E. Acute hepatitis
Answer: D. Acute pancreatitis
Justification: Gallstones are a common cause of pancreatitis. Pain relieved by sitting forward is typical.
Resource: RCGP Learning.
A 54-year-old man has persistently abnormal LFTs with no obvious cause found.
What is the SINGLE MOST appropriate next management step?
A. Referral to specialist liver clinic
B. Annual monitoring of LFTs
C. DEXA scan
D. Upper GI endoscopy
E. CT scan of abdomen
Answer: A. Referral to specialist liver clinic
Justification: Persistently abnormal LFTs require specialist assessment for liver fibrosis.
Resource: NICE Guidance on abnormal liver tests.
A 60-year-old woman with RA and past NSAID-related duodenal ulcer wants to restart NSAIDs.
What is the SINGLE MOST appropriate treatment option?
A. Diclofenac and misoprostol
B. Must not take any NSAID again
C. Naproxen and ranitidine
D. Ibuprofen and omeprazole
E. Celecoxib and lansoprazole
Answer: E. Celecoxib and lansoprazole
Justification: For high ulcer risk, combine COX-2 inhibitor with PPI.
Resource: NICE. Gastro-Oesophageal Reflux Disease and Dyspepsia. CG184. 2014 (updated 2019).
A 22-year-old has recurrent bloody diarrhoea and erythema nodosum.
What is the SINGLE gold standard diagnostic test?
A. Sigmoidoscopy and biopsy
B. CT colonography
C. Faecal elastase
D. Faecal calprotectin
E. Colonoscopy and biopsy
Answer: E. Colonoscopy and biopsy
Justification: Gold standard for ulcerative colitis diagnosis.
Resource: Andrews C. Ulcerative colitis. InnovAiT 2019; 12(9): 501–506.
A 30-year-old woman has flushing, dizziness, diarrhoea and facial rash after eating tuna.
What is the SINGLE MOST likely diagnosis?
A. Botulism
B. Scombroid food poisoning
C. Staphylococcal food poisoning
D. Campylobacter enteritis
E. Food allergy
Answer: B. Scombroid food poisoning
Justification: Caused by histamine release after eating spoiled scombroid fish (e.g. tuna).
Resource: RCGP Learning.
A 30-year-old woman with microcytic anaemia and abdominal symptoms is tested for coeliac disease.
What is the FIRST choice serological test used?
A. IgG EMA
B. HLA DQ2/DQ8
C. IgG tTGG
D. IgA EMA
E. IgA tTGA
Answer: E. IgA tissue transglutaminase (tTGA)
Justification: First-line coeliac test; followed by EMA if equivocal or IgA deficient.
Resource: NICE. Coeliac Disease: NG20. 2015.
Which one of the following statements is TRUE regarding non-alcoholic fatty liver disease (NAFLD)?
A. It is commonly manifest by an isolated raised alkaline phosphatase
B. The prognosis is benign
C. Ultrasound can accurately assess any hepatic fibrosis
D. ALT twice normal, stable over a year with steatosis on US can be managed in primary care
E. People with type 1 diabetes are especially at risk
Answer: D. ALT twice normal, stable over a year with steatosis on US can be managed in primary care
Justification: Stable liver enzymes and imaging support primary care management in selected low-risk NAFLD.
Resource: NICE. NAFLD: assessment and management. NG49. 2016.
According to national guidelines, which of the following patients should be offered serological testing for coeliac disease?
A. Acromegaly
B. Cushing’s disease
C. Insulinoma
D. Type 1 diabetes mellitus
E. Type 2 diabetes mellitus
Answer: D. Type 1 diabetes mellitus
Justification: NICE recommends testing at diagnosis of type 1 diabetes.
Resource: NICE. Coeliac Disease: recognition, assessment and management. NG20. 2015.
A 52-year-old woman presents with a tender lump in the groin, inferior and lateral to the pubic tubercle.
What is the SINGLE MOST likely diagnosis?
A. Inguinal lymphadenopathy
B. Inguinal hernia
C. Spigelian hernia
D. Saphena varix
E. Femoral hernia
Answer: E. Femoral hernia
Justification: More common in females; high risk of strangulation; located inferior/lateral to pubic tubercle.
Resource: RCGP Learning.
According to NICE, which condition should be tested for coeliac disease?
A. Sjögren’s syndrome
B. Graves’ disease
C. Down syndrome
D. Addison’s disease
E. Cushing’s syndrome
Answer: B. Graves’ disease
Justification: NICE includes autoimmune thyroid disease as an indication for testing.
Resource: NICE. Coeliac Disease: NG20. 2015.
For which of the following patients is URGENT direct access upper GI endoscopy recommended?
A. 50-year-old man with treatment resistant dyspepsia
B. 43-year-old man with recurrent dyspepsia
C. 60-year-old woman with vomiting and lower abdominal pain
D. 58-year-old man with nausea and thrombocytosis
E. 48-year-old woman with dysphagia
Answer: E. 48-year-old woman with dysphagia
Justification: Urgent referral for any adult with dysphagia regardless of age.
Resource: NICE. Suspected Cancer: recognition and referral. NG12. 2015 (updated 2021).
A 35-year-old man was treated for H. pylori 8 weeks ago and is now asymptomatic.
What is the SINGLE MOST appropriate next step in management?
A. Endoscopic biopsy
B. No testing required
C. Breath test
D. Stool antigen
E. Serology
Answer: B. No testing required
Justification: NICE does not recommend routine testing for eradication unless symptoms persist.
Resource: NICE CG184; RCGP Dyspepsia EKU15 (2022).
A 30-year-old woman with hepatitis C drinks 36 units of alcohol per week.
What is the SINGLE MOST relevant factor increasing her risk of cirrhosis?
A. BMI
B. Alcohol consumption
C. Female gender
D. Age at diagnosis
E. Smoking history
Answer: B. Alcohol consumption
Justification: Alcohol significantly increases progression to cirrhosis in hepatitis C.
Resource: RCGP Learning.
A 50-year-old man has reflux symptoms. He takes amlodipine and bendroflumethiazide.
What is the SINGLE MOST appropriate intervention?
A. Cease amlodipine
B. Cease bendroflumethiazide
C. Start Gaviscon Advance
D. Start lansoprazole
E. Start triple therapy
Answer: A. Cease amlodipine
Justification: Review medications that may be contributing to symptoms before initiating PPI.
Resource: NICE CG184; RCGP Dyspepsia EKU15 (2022).
A woman with NAFLD asks about risk of progressive liver disease.
What is the SINGLE BEST estimate of her risk?
A. 1%
B. 5%
C. 10%
D. 15%
E. 20%
Answer: B. 5%
Justification: 5–6% of NAFLD patients develop progressive disease such as NASH.
Resource: NICE. NAFLD: assessment and management. NG49. 2016.
A 68-year-old man is referred urgently for suspected pancreatic cancer.
What is the SINGLE MOST reliable investigation for detection?
A. Clinical examination
B. CT scan
C. CA 19-9
D. Exploratory laparotomy
E. Abdominal ultrasound
Answer: B. CT scan
Justification: Best method for detecting and staging pancreatic cancer.
Resource: RCGP Learning.
A 68-year-old woman has severe pruritus and mild jaundice following co-amoxiclav. LFTs: bilirubin 68, ALP 454, GGT 268, ALT 40.
Which is the SINGLE MOST likely diagnosis?
A. Gilbert’s syndrome
B. Steatohepatitis
C. Hepatitis C
D. Adverse drug effect
E. Haemochromatosis
Answer: D. Adverse drug effect
Justification: Cholestatic LFT pattern (high ALP, GGT) following antibiotic use suggests drug-induced liver injury.
Resource: RCGP Learning
Which one of the following is the SINGLE MOST likely symptom of opioid-induced bowel dysfunction (OIBD)?
A. Dysphagia
B. Diarrhoea
C. Sialorrhoea
D. Taste disturbance
E. Abdominal pain
Answer: E. Abdominal pain
Justification: OIBD includes symptoms such as bloating, hard stools, delayed digestion, anorexia, and abdominal pain.
Resource: RCGP Learning
Akiba, 44, with BMI 36, elevated ALT, AST, and GGT, normal bilirubin and ALP, ultrasound shows echogenic liver.
What is the SINGLE MOST likely diagnosis?
A. Glandular fever
B. Non-alcoholic fatty liver disease
C. Autoimmune hepatitis
D. Haemochromatosis
E. Malignancy
Answer: B. Non-alcoholic fatty liver disease
Justification: Obesity, raised ALT/AST, and echogenic liver on ultrasound are classic for NAFLD.
Resource: RCGP Learning
A 24-year-old woman with Crohn’s disease and recurrent flare-ups and fistulas despite steroids and azathioprine.
What is the SINGLE MOST appropriate treatment option?
A. Infliximab
B. Budesonide
C. Sulfasalazine
D. Ciclosporin
E. Mesalazine
Answer: A. Infliximab
Justification: NICE recommends biologics (infliximab) for severe, refractory or fistulising Crohn’s disease.
Resource: NICE NG129. Crohn’s Disease: management (2019).