Excessive stimulation of the parasympathetic nervous system will result in:

Which of the following statements about the role of the cervix in pregnancy is true?

a. The cervix constricts during the time of delivery to prevent a premature birth. b. The placenta is normally positioned directly over the cervix. c. The cervix can be palpated to determine the frequency of the mother's contractions. d. "Bloody show" comes from the cervix and is a sign of imminent delivery.

Which of the following conditions must be met for a fire to occur? 1. Temperature high enough for combustion 2. Presence of O2 3. Presence of flammable material

a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3