Quiz
Endocrine In-Class Review Questions
Fragen in diesem Quiz (8)
1Which of the following describes an endocrine communication?
- AA) Works rapidly across very short distances
- BB) Structurally related to each other and their target organs
- CC.) Duration of action is very brief
- DD.) Chemical messenger is carried over long distances in the blood
- EE.) Coordinates very precise responses
2Hydrophilic hormone binding to a receptor with multiple transmembrane domains and which activates, via an effector protein, a second messenger system within the target cell is characteristic of a:
- AA.) G-protein coupled receptor
- BB.) Tyrosine kinase receptor
- CC.) Chemically gated receptor channel
- DD.) depolarization
- Ee.) Hormone response element
3Which of the following describes a lipophilic hormone?
- AA.) Secreted as it is synthesized
- BB.) Does not use transport proteins in the blood
- CC.) Acts solely through receptors located at the cell membrane
- DD.) Acts predominantly through second messenger systems
- EE.) Initially synthesized as a preprohormone
4Which of the following would contribute to a rise in plasma hormone concentration?
- AA.) Increased amounts of binding proteins
- BB.) Increased secretion rate
- CC.) Reduced activation/conversion of the inactive hormone
- DD.) Increased metabolism/clearance
- EE.) Reduced secretion of the hormone
5The situation where the output of a system opposes the input is:
- AA.) Antagonism
- BB.) Permissiveness
- CC.) Synergism
- DD.) Negative feedback
- EE.) Positive feedback
6Which of the following is NOT true about a circadian rhythm?
- AA.) Driven by the suprachiasmatic nucleus
- BB.) Occurs with a periodicity of every hour
- CC.) Involves self-starting clock proteins
- DD.) Can be synchronized by the environment
- EE.) Periodicity is influenced by melatonin
7The posterior pituitary:
- AA.) Is functionally, but not anatomically connected to the hypothalamus
- BB.) Secretes tropic hormones in response to releasing hormones
- CC.) Derived from Rathke’s pouch
- DD.) Secretes hormones originally produced in neurons of the paraventricular nucleus
- EE.) Is a major source of growth hormone
8Which of the following is NOT true about vasopressin?
- AA.) Decreased osmolarity is the biggest stimulus for its release
- BB.) Released in response to a large decrease in atrial volume
- CC.) Inserts aquaporins into kidney collecting tubules to increase water retention
- DD.) Has a pressor effect via arteriolar smooth muscle
- EE.) Release triggered by exertion in a hot environment
Informationen
- Beschreibung
- PSIO 743 Exam 5 - Lecture Questions Quiz
- Autor
- Gelöschter Nutzer
- Sprache
- English
- Aufrufe
- 7
- Verlauf
- Erstellt am 7 Nov 2019 · aktualisiert am 7 Nov 2019
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