QuestionSBA
QuestionChoice
Lactobacilli are the most abundant bacteria in the vagina. They use glycogen as their substrate and make lactic acid, lowering the pH of the vagina. However, acid exposure drives metaplasia, not the presence of bacteria.
10000873
c
Bacteria
QuestionChoice
Progesterone's role is to promote gestation (hence its name). It does this in many ways, such as thickening the lining of the uterus. At the cervix, it keeps mucus thick, keeping the contents of the uterus present.
10000874
d
Progesterone
QuestionChoice
Glycogen is shed from squamous epithelial cells and provides a substrate for anaerobic organisms (such as lactobacilli) to use.
10000875
e
Glycogen
QuestionChoice
During puberty, the cervix is exposed to acid. At the transformation zone, columnar epithelial cells are exposed to acid. They start to change to squamous epithelial cells. This physiological metaplasia occurs as squamous cells are more resistant to acidic environments than columnar epithelium.
10000871
a
Acid
QuestionChoice
Oestrogen is first needed to stimulate the maturation of the squamous cells. This happens before cell metaplasia can occur.
10000872
b
Oestrogen
Concept
Chapter
2693
3841
Menstrual cycle
Topic
175
Reproductive Physiology
12721
During puberty, changes to the cervix occur.

Which of the following is responsible for actively causing cell change at the transformation zone?
a