Past papers Flashcards
Influenza vaccine type
inactivated
Malaria prophylaxis pregnancy drug
Mefloquin
Metronidazole mechanism of action
Inhibits DNA synthesis
Antibiotic that binds 50s ribosomal unit - inhibit protein synthesis
Clindamycin
rate of recurrence of ectopic pregnancy
15%
lidocaine with adrenaline max dose
7mg/Kg or 490mg for a 70kg person
Doxazosin mechanism of action
Alpha 1 receptor antagonist
Fluconazole mechanism of action
cytochrome P450 enzyme 14α-demethylase
Robertsonian translocation possible in which aneuploidy
Down’s, Patau. Not Edward’s (only occurs with acrocentric chromosome pairs)
Metyrapone mechanism of action
Inhibits adrenal 11B-hydroxylation leading to reduced cortisol and resultant increase in ACTH production
Ischaemic stroke - type of necrosis
Colliquative necrosis
Which immunoglobulin is dimeric
IgA
Which HLA class is expressed in extravillous trophoblast
HLA-G
Sperm production per day
300 million/day
Clomiphene is a
SERM
LH is structurally similar to
FSH, HCG, TSH
What percentage of DNA is mitochondrial DNA
1
1%
Major buffer in urine
Phosphate
Carbons in the sex hormones
Androgens: 19C
Oestrogens: 18C
Progesterones 21C
Allantois is derived from
Endoderm
The ureteric bud is derived from
Mesonephric duct
Ondansetron mechanism of action
Serotonin 5-HT3 antagonist
enzyme that catalyses conversion of purines to uric acid
Xanthine oxidase
Name for cellular process in breast that allows prolonged breast feeding
Lobular hyperplasia