Crown-rump length is used to estimate fetal age, particularly in which trimester?

If you wanted to sample fetal blood, which of the following would you use?

High levels of alpha-fetoprotein in the amniotic fluid may indicate defects in which of the following? 

The intraembryonic coelom that initially forms cranial to the oropharyngeal membrane becomes the

Oogonia divide by mitosis between puberty and menopause.

Which of the following may be a cause of polyhydramnios?

What is the difference between primary chorionic villi and secondary chorionic villi?

24 Work this problem:   Assume that a lender offers a 20-year, $175,000 adjustable-rate mortgage (ARM) with the following terms:                         Initial interest rate = 8 percent                         Index = 1-year Treasuries                         Payments reset each year                         Margin = 1.5 percent                         Interest rate cap = 1 percent annually; 3 percent lifetime                         Discount points = 2 percent                         Negative amortization allowed             Based on estimated forward rates, the index to which the ARM is tied is forecasted as follows:  Beginning of year (BOY) 2 = 7 percent; (BOY) 3 = 8.5 percent;               Compute the payments, loan balances, and yield for the ARM for the three-year period.   A. Year one payment; Loan balance  B. Year two payment; Loan balance  C. Year three payment; Loan balance  D.  What is the yield if the loan is repaid after  3 years

For problems 2, 3, 4 and 5, answer 3 of these questions. (Write “SKIP” to the one you do not want graded) The Bank A is promising to pay 8% compounded Quarterly.  Bank B is across the street.  However, Bank B quotes its rates as compounded monthly.   What rate must bank B advertise (compounded monthly) so that depositors are indifferent between the 2 banks?   (in other words, 8% compounded quarterly is the same as X% compounded monthly).

For problems 2, 3, 4 and 5, answer 3 of these questions. (Write “SKIP” to the one you do not want graded) You want to save $2,000,000 for retirement. You expect that you can safely earn 6% per year. You already have save 85,000  If you can deposit $15,257.30, how much longer will you have to wait until you will be able to retire?