Last Flashcards
Which 2 molecules are needed to form a lactase synthetase complex, essential for milk sugar synthesis to convert glucose to lactose?
alpha-lactalbumin and galactosyltransferase
At what weeks of gestation are CVS and amniocentesis performed?
CVS - 10-12wks
Amniocentesis - over 15 wks
What is a cystocele?
The bladder herniates into the vagina due to a tear of the tough fibrous wall during childbirth.
What is the alveolar gas equation?
PAO2 = PiO2 - (PaCO2/RQ (=0.8))
PAO2 - PaO2 should be less than 1.5 with adequate exchange.
How do superoxide radicals cause vascular damage?
React with NO to produce peroxynitrite (ONOO) which reduces NO available (therefore vasoconstriction) and damages in its own right.
What is the name of the most common high grade Intraepithelial neoplasia in the epidermis?
Bowen’s disease
What are the 3 basophilic cell types in the ant pit?
Corticotrophs, Thyrotrophs, Gonadotrophs
Before how many weeks gestation is considered preterm?
37
What is fetal fibronectin and what is its leakage a sign of?
A glycoprotein ‘glue’ that binds the chorion to the decidua. Sign of preterm delivery
Which muscles are found in the deep perineal pouch?
Deep transverse perineal muscle,
External urethral sphincter
Compressor urethrae
Urethrovaginal sphincter
What muscles are found in the superficial perineal pouch?
Superficial transverse perineal muscle, ischiocavnosus and bulbospongiosus
What is measured as a tumour marker of ovarian cancer?
CD125
What scale is used for pubertal rating?
Tanner scale
Which proto-oncogene mutation is associated with MEN2?
RET gene
What does a mutation in the APC tumour suppressor gene lead to?
Familial Adenomatous Polyposis
Approx how many days does spermatogenesis take?
64