Chemistry Flashcards
1
Q
How are newborns screened for hypothyroidism?
A
total thyroxine (T4)
2
Q
What is the most common cause of hypothyroidism?
A
Hashimoto’s hypothyroidism
3
Q
Which hormone is secreted by the placenta and used for early detection of pregnancy?
A
Human chorionic gonadotropin (hCG)
4
Q
What is the form of estrogen measured in the urine during pregnancy?
A
estriol
5
Q
What procedure is used to detect hemolytic disease of the newborn in amniotic fluid?
A
measuring absorbance at 450 nm
6
Q
During pregnancy, how many weeks after the last menstrual period does hCG peak?
A
8-10 weeks
