Endocrinology Overview
Which of the following is an example of a mineralocorticoid?
Aldosterone
Downregulation is
An decrease in receptor numbers, generally following overstimulation by the hormone
Upregulation is
An increase in receptor numbers, generally following a lack of stimulation by the hormone
The most common cell signaling pathway of a lipid soluble hormone involves
Binding of DNA to promote or repress transcription of specific genes
Lipid soluble hormones travel in the blood
Bound to specific carrier proteins in the plasma
Which of the following chemicals is a common second messenger molecule?
Ca++
Which of the following hormones is a secosteroid?
Calcitriol
Which of the following is an example of a glucocorticoid?
Cortisol
Which of the following hormones is a catecholamine?
Epinephrine
How long do the effects of estradiol 17β last?
Hours to days or even longer
Which of the following chemicals is a common second messenger molecule?
IP3
Water soluble hormones travel in the blood
In solution
Where are the receptors for a water soluble hormone located?
In the cell membrane
Where are the receptors for a lipid soluble hormone located?
In the cytoplasm or nucleus
Which of the following is an example of a progestin?
Progesterone
How long do the effects of epinephrine last?
Seconds to minutes
Which of the following hormones is a steroid?
Testosterone
Which of the following is an example of a androgen?
Testosterone
Which of the following hormones is a lipid-soluble, tyrosine derivative?
Thyroid hormone
Which of the following chemicals is a common second messenger molecule?
cAMP
