The oral contraceptive pill, informally called "the pill" contains an estrogen and progesterone or a synthetic mimic of this hormone. The combination of these two hormones taken in the pill and circulating in the blood work because
A) The hormones cause the woman's body to mimic the activities of a pregnancy and disrupt the ovarian cycle, preventing ovulation.
B) The hormones create an acid condition in the vagina that acts as a spermicide.
C) The hormones prevent the proliferative or secretory phase of the menstrual cycle and the embryo will have no place to implant.
D) The hormones cause a thickening of the mucus plug at the cervix that prevents sperm from penetrating the womb and reaching the ovulated egg.
A
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An inhibitory postsynaptic potential (IPSP) is associated with ________
A) lowering the threshold for an action potential to occur B) a change in sodium ion permeability C) hyperpolarization D) opening of voltage-regulated channels
Structural classifications of neurons do NOT include _____
Fill in the blank(s) with the appropriate word(s).
The deepest abdominal muscle is the __________ abdominal.
Fill in the blank(s) with the appropriate word(s).
If someone were to have abnormally low levels of protein in their blood, then net filtration pressure would
A. be higher than normal. B. be lower than normal.