PTS Mock 1 Flashcards
1
Q
- What is the surface antigen for Hep B ?
A
- HBsAg
- The first marker and causes production of anti-HBs
- Implies acute disease (1-6 months)
2
Q
- What antigen against Hep B implies immunity (either exposure or immunisation) ?
A
- Anti-HBs
- Negative in chronic disease
3
Q
- What antigen against Hep B implies previous or current infection ?
A
- Anti-HBc
4
Q
- What antigens present during acute or recent Hep B infection and is present for about 6 months ?
A
- IgM anti-HBc
5
Q
- What antigens would suggest previous immunisation ?
A
- Anti-HBs positive
- All other antigens negative
6
Q
- What antigens would suggest previous (>6 months) Hep B infection and not a carrier ?
A
- Anti-HBc
- HBsAg negative
7
Q
- What antigens would suggest previous Hep B infection and now a carrier ?
A
- Anti-HBc positive
- HBsAg positive
8
Q
- How would CSF findings present with bacterial meningitis ?
A
- Cloud/turbid CSF
- Predominantly neutrophils
- High protein
- Low glucose
9
Q
- How would CSF findings present with viral meningitis ?
A
- Clear CSF
- Predominantly lymphocytes
- Normal/high protein
- Normal glucose
10
Q
- How would CSF findings present with TB meningitis ?
A
- Cloudy and viscous CSF
- Predominantly lymphocytes
- High protein
- Low glucose
11
Q
- What are contraindications for performing a lumbar puncture ?
A
- Infected skin over puncture
- Increased intracranial pressure
- Trauma to lumbar vertebrae
12
Q
- What are complications of meningitis ?
A
- Septic shock
- Hearing loss
- Seizures
- Intellectual impairment
13
Q
- What are findings of a breast lump that may suggest malignancy ?
A
- Non-tender lump
- Peau d’orange
- Dimpling of skin
- Ulceration
- Rash around nipple
- New nipple inversion
- Bloody nipple discharge
- Weight loss
- Cervical or axillary lymphadenopathy
14
Q
- What occurs at a triple assessment breast clinic ?
A
- Examination
- Imaging
- Biopsy
15
Q
- What are the main 2 surgical approaches to a breast carcinoma ?
A
- Lumpectomy
- Wide local excision
16
Q
- What histological findings will inform an MDT in treatment planning ?
A
- Tumour size
- Tumour grade
- Lymph node involvement
- Completeness of excision/if the margins are clear
- Vascular invasion
- Oestrogen receptor status/progesterone receptor status/ steroid receptor status
- Her2 status
17
Q
- When does breast screening occur ?
A
- Every 3 years
- Between ages of 50 and 71
18
Q
- If a patient is found to be a BRAC1 carrier how often should she be invited for screening and what imaging modality should be used ?
A
- Annual MRI scan
19
Q
- What tissue does the majority of breast cancer arise from ?
A
- Ductal or lobular
20
Q
- What is the most common type of breast cancer ?
A
- Invasive ductal carcinoma
21
Q
- What are common types of breast cancer ?
A
- Invasive ductal carcinoma
- Invasive lobular carcinoma
- Ductal carcinoma-in-situ
- Lobular carcinoma-in-situ
22
Q
- What type of cancer is Paget’s disease of the nipple associated with ?
A
- 90% of patients will have an invasive carcinoma if underlying mass lesion
- 30% of patients will still have an underlying carcinoma in situ if no mass
23
Q
- RFs for Breast Cancer
A
- BRAC1 and BRAC2 genes
- 1st degree premenopausal relative with breast cancer
- Nulliparity
- Early menarche
- Late menopause
- Combined HRT
- COCP
- Not breastfeeding
- P53 gene mutation
- Obesity
24
Q
- What type of disease are crypt abscesses associated with ?
A
- Ulcerative colitis
25
Q
- What would see on biopsy of a patient with UC ?
A
- Continuous inflammation
- Goblet cell depletion
- Ulceration
- Pseudopolyps
- Mucosal inflammation
- Crypt abscesses
26
Q
- What would one see on histology of a Crohn’s patients ?
A
- Inflammation in all layers from mucosa to serosa
- Goblet cells
- Granulomas
27
Q
- What would be seen on colonoscopy for Crohn’s disease
A
- Skip lesions
- Deep ulcers
- Strictures
- Proximal bowel dilation
- Ulcers
- Fistulae
28
Q
- What can be seen on colonoscopy for UC ?
A
- Red, raw mucosa that bleeds easily
- No inflammation beyond the submucosa
- Widespread ulceration with pseudopolyps
- Crypt abscesses
- Depletion of goblet cells
29
Q
- What investigation is preferred for patients with severe colitis and why ?
A
- Flexible sigmoidoscopy
- Colonoscopy should be avoided due to the risk of perforation
30
Q
- What biopsy findings would be suggestive of coeliac disease ?
A
- Villous atrophy
- Crypt hyperplasia
- Intraepithelial lymphocytes