Pregnancy Diagnosis

Question 1

what are the 3 types of ways to determine pregnancy

Answer 1

hormone assays
rectal palpation
ultrasonography

Question 2

hormone assays
what is radioimmunoassay

Answer 2

req radioactive hormones
radioactive hormone competes with same hormone in a blood sample

Question 3

hormone assays
what is Enzyme-Linked immunosorbent assay (ELISA)

Answer 3

largely replaced the RIA
no radioisotopes are req

Question 4

how does enzyme linked immunosorbent assay work

Answer 4

2 types of antibodies req
hormone antibody is added
hormone is added and it binds to the hormone antibody
enzyme antibody is added and it binds to the hormone hormone antibody complex
substrate is added to solution and reacts with the enzyme antibody to form color

Question 5

why is ELISA becoming the standard for pregnancy diagnosis

Answer 5

involves blood sample
quick results
inexpensive
accurate

Question 6

how do we determine pregnancy by rectal palpation

Answer 6

pliable enough to grasp the repro tract, thin enough to identify ovarian structure and strong enough to prevent injury to cow

Question 7

what can ultrasonography do for determining pregnancy

Answer 7

early preg diagnosis
identification of twins
determination of ovarian structures present
fetal sex
fetal age