Hello and welcome to the Zero to Finals podcast. My name is Tom and in this episode

I'm going to be going through questions on testosterone. And you can find written notes on this

topic at zero to finals.com slash testosterone, and you can find these questions in a

short answer format at members.0.0.5.com. And you can find the notes and the questions in the

zero to finals endocrine system book, which is coming soon. So let's get straight into it.

Question 1. What type of hormone is testosterone? It's an androgenic hormone, a steroid hormone and an anabolic hormone.

Question 2.

Which enzyme converts testosterone into dihydrotestosterone or dhattestosterone or dhattie? 5 alpha reduct

Question 3.

Where is the majority of testosterone produced in males?

In the laydig cells of the testes.

Question 4.

What is the starting molecule for the production of most steroid hormones including testosterone?

Cholesterol.

Question 5.

What are the main steroid hormones in the body? Testosterone, progesterone, estrogen, cortisol, and aldosterone.

Question 6. What condition results from a congenital deficiency of the 21 hydroxylase enzyme?

Congenital adrenal hyperplasia

What effect does this condition have on the hormone balance in the body? It causes low aldosterone, low cortisol and raised testosterone.

Question 7.

What effect does testosterone have on body composition.

It increases muscle mass,

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