The essure method of tubal sterilization involves ____.
a. laparoscopic surgery
b. a spiral-like device that is inserted up through the vagina and into the fallopian tubes
c. tying the two fallopian tubes together
d. inserting an estrogen-progestin combination drug through the vagina and into the fallopian tubes
Question 2
Kyle and his wife Sheri decide they are finished having children, and thus Kyle undergoes a vasectomy. Not more than a couple of months after the surgery, they are surprised to find out that Sheri is pregnant. What may have gone wrong?
a. The doctor may have cut the wrong vas deferens.
b. The sperm may have circumvented the vas deferentia and traveled through the spermatic cord.
c. The procedure is only 80 effective, so the chance of pregnancy, although decreased, still existed.
d. The couple may have had sex too soon after the procedure, allowing sperm remaining in Kyle's reproductive tract to be released into the semen.
Top: Autoclave tape before sterilization. Bottom: Autoclave tape after sterilization.
Performing Venipuncture Using the Vacutainer Method
Pavlov’s Method
Delta Method Solution
Plot of Land (Modified Offset Method)
Plot of Land (Modified Offset Method) - Offset lines