Formative assessments Flashcards
what is the name of the cells that produce collagen in fibrous scarring?
fibroblasts
what is an example of acute inflammation from the following:
- glandular fever
- leprosy
- appendicitis
- tubercolosis
appendicitis
what is the main effector cell of acute inflammation?
neutrophil polymorphs
what crystals are deposited in joints in gout?
uric acid
in which one of the following does granulomatous inflammation occur?
- Chron’s disease
- acute appendicitis
- infectious mononucleosis
- lobar pneumonia
Crohn’s disease
what is the specific name of calcification in diseased (as opposed to normal) tissues?
dystrophic calcification
which one of the following is a chronic inflammatory process from its start?
- appendicitis
- cholecystitis
- infectious mononucleosis
- lobar pneumonia
infectious mononucleosis
what is the name of the cells which produce antibodies?
plasma cells
which one of the following tumours never metastasises?
- malignant melanoma
- small cell carcinoma
- basal cell carcinoma of the skin
- breast cancer
basal cell carcinoma of the skin
what is the name of a malignant tumour of striated muscle?
rhabdomyosarcoma
which of the following tumours does not commonly metastasise to bone?
- breast cancer
- lung cancer
- prostate cancer
- liposarcoma
liposarcoma
what term describes a cancer that has not invaded through the basement membrane?
carcinoma in situ
what is the name of a benign tumour of glandular epithelium?
adenoma (adenocarcinoma is malignant)
which one of these tumours does not have a screening programme in the UK?
- breast cancer
- colorectal cancer
- cervical cancer
- lung cancer
lung cancer
which one of the following is not known to be a carcinogen in humans?
- hepatitis C virus
- ionising radiation
- aromatic amines
- aspergillus niger
aspergillus niger
what does Hepatitis C cause?
hepatocellular carcinoma
what do aromatic amines cause?
bladder cancer
what does aflatoxin cause?
hepatocellular cancer
what is the name of a benign tumour of fat cells?
lipoma
what is the name of a malignant tumour of glandular epithelium?
adenocarcinoma
which one of the following is not a feature of malignant tumours?
- vascular invasion
- metastasis
- increased cell division
- growth related to overall body growth
growth related to overall body growth
what is a benign tumour whose growth is related to overall body growth?
hamartoma
a transitional cell carcinoma of the bladder is a malignant tumour?
- true
- false
true
a leiomyoma is a benign tumour of smooth muscle?
- true
- false
true
radon gas is a cause of lung cancer?
- true
- false
true
what mechanism is the damage of radon gas to the lungs?
- produces alpha particles, which damage the DNA
asbestos is a human carcinogen?
- true
- false
true
which lifestyle factor is most likely to cause cancer?
- drinking half a bottle of wine a day
- being obese
- running for 20 minutes twice a week
- smoking 20 cigarettes a day
smoking 20 cigarettes a day
how much does smoking 20 cigarettes a day increase the risk of cancer by?
26 times
which tumour has the shortest median survival?
- basal cell carcinoma of the skin
- malignant melanoma of the skin
- breast cancer
- anaplastic carcinoma of the thyroid
anaplastic carcinoma of the thyroid
ovarian cancer commonly spreads in the peritoneum?
- true
- false
true
activation of naive T cells is achieved by which antigen presenting cells?
- neutrophils
- mast cells
- macrophages
- dendritic cells
dendritic cells
what type of cell is described below?
“located exclusively in tissues, has an important role in both the innate and adaptive immune system, are antigen presenting cells and have phagocytic properties”
- macrophage
- neutrophil
- eosinophil
- mast cell
- fibroblast
macrophage
which of the following is not involved in innate immune mechanisms?
- anatomic barriers
- phagocytic
- inflammatory mechanisms
- antibody production
- skin
antibody production
influenza vaccine is targeted towards ‘at risk’ groups in the UK. which of the following are classified ‘at risk’?
- over 65 years
- 16 years old
- the obese at any age
- teenagers
- under 2 years old
over 65 years and under 2 years old
which of the following is administered as a live attenuated vaccine in the UK?
- hepA
- MMR
- tetanus
- flu
- polio
MMR
complements are the proteins that are involved in the clearance of antigen/bacteria. which of the following is not part of the Elimination phase of complement activation?
- opsonisation
- target cell lysis
- chemoattraction of leukocytes
- production of interferons
- phagocytosis
production of interferons
which of the following is a polysaccharide vaccine?
- anthrax vaccine
- Hib vaccine (Haemophilus influenza type b)
- rabies vaccine
- hep A
Hib vaccine (Haemophilus influenza type b)
what are two types of immune response in humans?
- immunological tolerance
- immune surveillance
- innate and acquired
- intrinsic and extrinsic
- overt and covert
innate and acquired
which of the following is not an organ-specific auto-immune disease?
- ulcerative colitis
- type 1 diabetes mellitus
- Graves disease
- Hashimoto’s thyroidtitis
- Sjogren’s syndrome
ulcerative colitis
which of the following is not a classical PAMP?
- peptidoglycan, found in bacterial walls
- flagellin, a protein found in bacterial flagella
- lipopolysaccharide (LPS) from the outer membrane of gram-negative bacteria
- interleukin 12
- nucleic acids such as viral DNA or RNA
interleukin 12
chains of purple cocci are seen on a gram film. they show alpha haemolysis when grown on blood agar. they don’t grow near the optochin disc. this is probably…
Streptococcus pneumoniae
which of these is a gram negative bacillus that ferments lactose?
- shigella sonnei
- listeria monocytogenes
- neisseria meningitidis
- eschericia coli
- streptococcus pyogenes
Eschericia coli
which is incorrect? Haemophilus influenzae is an important cause:
- meningitis in pre-school children
- otitis media
- pharyngitis
- gastroenteritis
- exacerbations of COPD
gastroenteritis
which is normally a sterile site?
- the pharynx
- the urethra
- CSF
- the lung
- skin
CSF
which of these is not a means by which viruses cause disease?
- direct destruction of host cells
- cell proliferation and cell immortalisation
- inducing immune system mediated damage
- endotoxin production
- modification of host cell structure or function
endotoxin production
when diagnosing viral infections which is not true?
- the sample must come from a sterile site
- electron microscopy is rarely used
- use a green swab not a black swab
- PCR results take 1-2 days
- a detectable IgM in serum may be diagnostic
the sample must come from a sterile site
which is most accurate? the HIV virus envelope contains
- RNA, capsid, DNA polymerase
- DNA, capsid, reverse transcriptase
- RNA, capsid, reverse transcriptase
RNA, capsid, reverse transcriptase
mycobacteria. which is not a feature?
- resistance to destaining by acid and alcohol
- cell wall contains lipoarabinomannan
- they only divide every 20 hours
- they cannot withstand phagolysosomal killing
- may cause meningitis
they cannot withstand phagolysosomal killing
regarding antimicrobial resistance, which is true?
- spread by plasmid mediated gene transfer
- spontaneous gene mutations do not occur
- MRSA refers to vancomycin resistant S. aureus
- only mereopenem is effective against all gram negative bacteria
spread by plasmid mediated gene transfer
antimicrobials. which pairing is incorrect?
- S. pyogenes: can use penicillin
- meropenem: a carbapenem
- glycopeptides: used for MRSA
- coamoxiclav: contains a beta-lactamase inhibitor
- cefuroxime: a macrolide
cefuroxime: a macrolide
which of the following is not under the control of the pituitary gland?
- thyroid
- adrenal cortex
- adrenal medulla
- testis
- ovary
adrenal medulla
which of the following statements is false?
- the pituitary gland lies in the sella turcica
- the weight of the pituitary gland is around 0.5g
- ACTH is secreted from the pituitary during stress
- the pituitary regulates calcium metabolism
- the anterior and posterior pituitary are distinct on an MRI scan
the pituitary regulates calcium metabolism
in men all the following are mainly produced in the adrenal cortex except?
- DHEAS
- testosterone
- aldosterone
- 17-OH progesterone
- androstenedione
testosterone
which of the following regarding AVP (vasopressin) is false?
- AVP levels have a linear relationship with serum osmolality
- is produced in the pituitary gland
- stimulates reabsorption of water in the collecting duct of the nephron
- in hypotension, baroreceptors predominantly activate ADH production and secretion
- further AVP production is no longer effective once urine osmolality has reached a plateau
is produced in the pituitary gland
where is growth hormone’s main site of action to stimulate IGF1 (insulin-like growth factor) release?
- bone
- liver
- adrenal cortex
- muscle
- pancreas
liver
the following are typical features of excess growth hormone secretion except?
- polyuria
- joint pains
- sweating
- hypotension
- headaches
hypotension
the following hormones all have a circadian rhythm except?
- cortisol
- testosterone
- DHEA
- 17OH progesterone
- thyroxine (T4)
thyroxine
typical features of cortisol deficiency include the following except?
- hypotension
- muscle aches
- weight loss
- hyperglycaemia
- lethargy
hyperglycaemia
a 38 year old lady presented with weight gain, menorrhagia and constipation. she is most likely to be suffering from?
- Cushing’s syndrome
- Addison’s disease
- primary hypothyroidism
- Graves disease
- acromegaly
primary hypothyroidism
which test would you likely want to perform in a patient with proximal muscle weakness, purple striae and thin skin?
- synacthen test
- overnight dexamethasone suppression test
- insulin tolerance test
- glucagon test
- skin allergy tests
overnight dexamethasone suppression test
a 24 year old woman presented with hirsutism, oligomenorrhoea and acne. what test would you perform?
- ultrasound adrenals
- ultrasound ovaries
- MRI ovaries
- CT scan adrenals
- prolactin
ultrasound ovaries