Answer the following statements true (T) or false (F)
1. The normal gestation period for a human baby is about 280 days.
2. Parturition is another term for fertilization.
3. Stage one of labor is the period from onset of uterine contractions until dilation of the cervix is complete.
4. The final stage of labor ends when the baby exits through the vagina.
5. The rupture of the amniotic membrane and the loss of amniotic fluid occur during the second stage of labor.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. FALSE
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The role(s) of the sinuses include(s)
A) making the skull lighter. B) production of mucus that moistens and cleans the air. C) increasing surface area for gas exchange. D) extra source of air and increasing surface area for gas exchange. E) making the skull lighter and production of mucus that moistens and cleans the air.
When do the testes start secreting testosterone?
A. In the first trimester after birth B. In the first three years of adolescence C. After the first ejaculation D. In the first trimester of fetal development E. In the first three years after birth
What is the stimulus for the release of insulin?
A. Increasing blood calcium levels B. Increasing blood glucose levels C. Decreasing blood glucose levels D. Decreasing blood sodium levels
What produces the striations of a skeletal muscle cell?
A) a difference in the thickness of the sarcolemma B) the arrangement of myofilaments C) the sarcoplasmic reticulum D) the T tubules