The Retention of a Developing Embryo from a Zygote and Implantation

question 89

Multiple Choice

The retention of a developing embryo from a zygote and implantation in the wall of the uterine tube creates an extreme risk of rupture,hemorrhage,and spontaneous abortion and is called a(n) _______.

• A)Stillbirth
• B)Erythroblastosis fetalis
• C)Ectopic pregnancy
• D)Endometriosis
• E)Placenta previa

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Definitions:

Neurotransmitter

Chemical substances that transmit nerve impulses across a synapse from one neuron to another.

Synaptic Vesicles

Membrane-bound sacs within the neuron that store neurotransmitters, which are chemicals involved in transmitting messages across the synaptic gap.

Resting Potential

The electrical charge of a neuron when it is not active or transmitting an impulse, representing the difference in electric potential across the neuron's membrane.

All-Or-None

Referring to the fact that a neuron either fires completely or does not fire at all.