Mitosis is responsible for growth, repair, and maintenance in an organism because

A17-year-old primigravida is admitted in early labor. her cervix is 2 to 3 cm dilated and 100% effaced. the fetus is cephalic, and the presenting part is at –1 station. her membranes are intact. the patient is holding her boyfriend's hand tightly and breathing rapidly with each contraction. she tells the nurse in a shaky voice, "i'm so nervous. i've never been in a hospital before. i don't know anything about labor or if i can do this." what is an appropriate nursing diagnosis for this patient?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?