Given what you know about the timing of ovulation in a woman's 28-day cycle, when would she be most likely to get pregnant?
A. Days 12-15
B. Days 1-6
C. Days 7-11
D. Days 16-28
A. Days 12-15
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Which is a correct listing of the hierarchy of a skeletal muscle's components, beginning with the smallest? a: Myofibrilsb: Muscle fiberc: Fascicled: Skeletal muscle
A. d, c, b, a B. c, b, a, d C. a, b, c, d D. a, c, b, d E. b, c, a, d
Identify structure "D" on the neuron
A. Schwann cell B. Node of Ranvier C. neuron cell body (soma) D. dendrites E. axon
During the fetal period, there is an opening between the right and left atrium called the ________.
Fill in the blank(s) with the appropriate word(s).
Sequence the following events involved in muscle cell contraction:
1 . Sodium channels open and sodium flows in. 2 . Impulse reaches the axon's terminal. 3 . ACh binds to receptors on the muscle cell membrane. 4 . Synaptic vesicles fuse with neuron's membrane and release ACh via exocytosis. 5 . If enough sodium moves in to the muscle cell, an impulse (action potential) develops. a. 1, 2, 3, 4, 5 b. 2, 1, 3, 4, 5 c. 2, 4, 3, 1, 5 d. 3, 4, 5, 1, 2 e. 3, 5, 2, 1, 4