The ________ begins with the onset of true labor, as the cervix dilates and the fetus begins to move down the cervical canal.
Fill in the blank(s) with the appropriate word(s).
dilation stage
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Adaptation of the olfactory sense to the continued presentation of an odorant
a) occurs rapidly. b) increases sensitivity to that odorant. c) occurs slowly. d) does not occur. e) enhances gustation.
If a lever has a fulcrum at one end, has a tendon exerting an effort 5 cm distal to the fulcrum, and acts against a resistance another 6 cm distal to the effort, what is its mechanical advantage?
A. 0.45 B. 11.0 C. 0.83 D. 2.2 E. 0.54
Define gestation
A) Gestation is the moment of fertilization. B) Gestation is the time after fertilization until implantation. C) Gestation is the time of development during the first and second trimesters. D) Gestation is the time of development during the third trimester. E) Gestation is the time a developing embryo and fetus spends in the uterus.
Which of the following events occurs first?
A) The myosin head binds ATP and detaches from actin. B) The myosin head pivots toward the M line. C) Calcium ions are released from the sarcoplasmic reticulum. D) Calcium binds to troponin. E) Myosin cross-bridges attach to actin.