Excessive bleeding caused by an inherited deficiency of one of the blood clotting factors is

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.

Which of the following represents the greatest risk factor for a stroke? a. high glucose levels b. low glucose levels c. low blood pressure d. high blood pressure select the best answer from the choices provided. a b c d