Testosterone Quiz
Questions: 16 · 10 minutes
1. Which enzyme converts some testosterone into estradiol?
5-alpha-reductase
Aromatase
Thyroid peroxidase
Insulin
2. A patient considering prescribed testosterone hopes to have biological children soon. Which topic is especially important to raise with the prescriber?
The potential suppression of sperm production and possible fertility-preserving alternatives
Whether a higher dose can guarantee improved fertility
Whether testosterone will make genetic conditions impossible
Whether blood testing can be skipped once treatment begins
3. Which enzyme converts testosterone into the more potent androgen dihydrotestosterone (DHT)?
Aromatase
5-alpha-reductase
Lactase
Acetylcholinesterase
4. A testosterone test is taken during an acute illness after unusually poor sleep. How should the result generally be viewed?
It is automatically more accurate because the body is under stress
Temporary health conditions cannot influence hormone measurements
Illness and sleep disruption may affect the result, so clinical context and possible repeat testing matter
It can be converted into a diagnosis without considering symptoms
5. A person has one unexpectedly low testosterone result but no urgent symptoms. What is the most appropriate general next step?
Begin an over-the-counter testosterone booster before retesting
Assume the result proves permanent testosterone deficiency
Discuss the result with a clinician, who may repeat a properly timed test and consider symptoms and context
Judge the result only by comparison with a friend's level
6. A person's total testosterone result does not fit the clinical picture, and altered sex hormone-binding globulin (SHBG) is suspected. Which statement is most accurate?
SHBG can affect the relationship between total and free testosterone, so additional assessment may be useful
A normal total result always rules out any need for further evaluation
SHBG has no relationship to testosterone measurements
Free testosterone is simply another name for testosterone bound tightly to SHBG
7. A laboratory pattern shows repeatedly low testosterone together with elevated LH. What does that pattern commonly suggest?
The pituitary is producing no signal at all
The result confirms that testosterone is being taken externally
The testes may not be responding adequately despite increased pituitary stimulation
The pattern proves that symptoms have no other possible cause
8. Why are testosterone blood samples often collected in the morning, particularly in younger men?
Eating breakfast permanently raises testosterone
Laboratories cannot measure testosterone later in the day
Testosterone commonly follows a daily rhythm and may be higher earlier in the day
Morning testing removes all effects of sleep and illness
9. Which pituitary hormone directly stimulates the testes to produce testosterone?
Gonadotropin-releasing hormone (GnRH)
Luteinizing hormone (LH)
Follicle-stimulating hormone (FSH)
Cortisol
10. A person with possible hormone-related changes develops a sudden severe headache and new vision problems. What is the appropriate response?
Seek urgent medical assessment rather than relying on a quiz or routine self-monitoring
Repeat an online knowledge quiz to see whether the score changes
Start a testosterone supplement and monitor the symptoms at home
Wait for an annual checkup because hormonal symptoms are always gradual
11. Within the testes, which cells are primarily responsible for producing testosterone?
Leydig cells
Sertoli cells
Pituitary cells
Adrenal cortex cells
12. Someone uses external testosterone or anabolic-androgenic steroids while trying to conceive. What can happen?
The pituitary permanently increases LH and FSH production
Sperm production is guaranteed to increase with the dose
Fertility is unaffected because testosterone and sperm production are unrelated
Natural hormone signaling and sperm production can be suppressed
13. A person feels tired for several weeks and assumes this proves low testosterone. What is the soundest conclusion?
Testosterone is the only hormone or health factor related to energy
Fatigue specifically identifies low testosterone when it lasts more than a week
A physical-change quiz can determine the person's blood testosterone level
Fatigue has many possible causes and cannot establish a testosterone problem by itself
14. Which physical change is most directly associated with androgen action during testosterone-dominant puberty?
Widening of the pelvis
Development of breast tissue as the main change
Fusion of the skull bones
Deepening of the voice as the larynx grows
15. A resistance workout causes a short-lived change in circulating testosterone. What does that show?
The person has permanently increased baseline testosterone
Every resistance workout produces the same hormone response in everyone
The person no longer needs laboratory testing if symptoms develop
Acute hormone fluctuations do not by themselves establish a lasting change or diagnose hormone status
16. Which statement about testosterone across sexes is accurate?
Only males produce testosterone naturally
People of all sexes produce testosterone, though typical amounts and sources differ
Testosterone has no normal function in female bodies
Females produce testosterone only after menopause