The myometrium and the endometrium are layers of which structure?
Ovaries
Fallopian tubes
Vagina
Uterus
The Correct Answer is D
A. Ovaries: The ovaries produce ova and hormones but do not have these layers.
B. Fallopian tubes: These are passageways for eggs and do not have an endometrium or myometrium.
C. Vagina: The vagina has mucosal and muscular layers, but not a myometrium or endometrium.
D. Uterus: The endometrium (inner lining) and myometrium (muscular layer) are both parts of the uterus.
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Related Questions
Correct Answer is C
Explanation
A. Neurons: Neurons transmit signals in the nervous system, not the endocrine system.
B. Neuroglia: Neuroglia support neurons but do not transmit hormonal signals.
C. Hormones: Hormones are the chemical messengers of the endocrine system, traveling via the bloodstream to target organs.
D. Neurotransmitter: Neurotransmitters are messengers of the nervous system.
Correct Answer is D
Explanation
A. Are secreted in response to decreasing blood glucose levels:
Only glucagon is secreted when glucose is low; insulin is secreted when it is high.
B. Elevate blood glucose levels:
Only glucagon elevates blood glucose. Insulin lowers it.
C. Secreted by the beta cells of the islets of Langerhans:
Only insulin is secreted by beta cells. Glucagon is secreted by alpha cells.
D. Are secreted by the pancreas and are concerned with the regulation of blood glucose:
Both hormones are secreted by the pancreas and work together to regulate blood glucose levels- insulin lowers it, and glucagon raises it.
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