3927111
Beschreibung
Quiz von Woody Payne, aktualisiert more than 1 year ago
|
Erstellt von Woody Payne
vor mehr als 8 Jahre
|
|
Frage 1
Frage
Melatonin exerts its effects by:
Antworten
-
Acting as an ultradian hormone.
-
Acting as an antioxidant.
-
Acting upon melatonin receptors.
-
Acting upon adrenergic receptors.
-
Acting to protect mitochondrial and nuclear DNA.
Frage 2
Frage
Melatonin is produced by which of the following pathways.
Substances:
1.Serotonin
2.Melatonin
3.L-Tryptophan
4.N-Acetyl Serotonin
5.5-HTP
Enzymes:
A.tryptophan 5-hydroxylase
B.acetylserotonin O-methyltransferase
C.AANAT
D.5-HTP decarboxylase
Antworten
-
1B4D2A3C5
-
3A5D1C4B2
-
3A1C5D4B2
-
1B4D3C2A5
Frage 3
Frage
Bioavailability and Half-Life of Melatonin
Antworten
-
30-50% and 30-50 Minutes.
-
40-60% and 20 to 30 Minutes.
-
15-25% and 60 to 90 Minutes.
-
60-80% and 90 to 120 Minutes.
Frage 4
Frage
Melatonin is regulated by Norepinephrine by which pathway:
Substance:
1.Norepinephrine
Enzyme:
A.PKA
B.AANAT
Receptor:
a.Beta Adrenergic
Antworten
-
1aBA
-
Ba1A
-
AB1a
-
1aAB
Frage 5
Frage
Light of which of the following wavelength criteria will not inhibit melatonin
Antworten
-
Under 530 nm.
-
Over 480 nm.
-
Over 530 nm.
-
Under 480 nm.
Frage 6
Frage
Dopamine plays a role in Melatonin secretion by:
Antworten
-
Providing negative feedback to Melatonin formation.
-
Upregulating Melatonin receptors.
-
Enhancing the effects of Norepinephrine on Melatonin secretion.
-
Increasing in response to Melatonin binding with receptors.
Frage 7
Frage
5HT has which of the following functions and changes:
Antworten
-
It decreases Serotonin production.
-
It is decreased by AANAT to be converted to Melatonin.
-
It is produced only during the day.
-
Its production leads to increased sympathetic activity and receptor activation on the pineal gland, ultimately leading to decreased Melatonin synthesis.
-
Dopamine activation of the D4 receptor heteromeres decreases 5HT in the morning.
Frage 8
Frage
The Pineal Gland is located outside of the blood brain barrier.
Antworten
- True
- False
Frage 9
Frage
Melatonin affects the following hormones by:
Antworten
-
Increasing LH.
-
Decreasing FSH.
-
Decreasing Leptin.
-
Increasing Prolactin and Cytokines.
-
Decreasing Corticosterone.
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.