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WorksheetsHPG axis Quiz
Total questions: 14
Worksheet time: 7mins
What does the HPG axis refer to?
Gonadal glands only
Pituitary gland only
Hypothalamus only
Hypothalamus, pituitary gland, and gonadal glands
What is the role of the HPG axis in animals?
Digestive system regulation
Regulating body temperature
Controlling immune response
Development, reproduction, and aging
What hormones are produced by the anterior portion of the pituitary gland in response to GnRH stimulation?
Luteinizing hormone (LH) and follicle-stimulating hormone (FSH)
Cortisol and adrenaline
Estrogen and testosterone
Insulin and leptin
What is the primary role of FSH and LH in females?
Stimulating muscle growth
Activating the ovaries to produce estrogen and inhibin
Regulating blood sugar levels
Controlling body temperature
What hormone forms a negative feedback loop by inhibiting the production of GnRH in the hypothalamus?
Follistatin
Estrogen
Activin
Inhibin
What is the main function of the HPG axis in males during puberty?
Regulating body weight
Promoting bone growth
Causing individuals to acquire secondary sex characteristics
Controlling heart rate
What is the effect of decreasing excretion of progesterone in females?
Allowing the hypothalamus to restart secretion of GnRH
Causing the proliferation phase in preparation for ovulation
Stimulating ovulation
Inhibiting the production of GnRH
What happens to the HPG axis in women as they approach menopause?
It becomes more sensitive to environmental factors
It becomes more active
It becomes deregulated
It stops functioning
What is the effect of testosterone levels on behavior?
No effect
Promoting prosocial behavior
Causing aggression
Inducing sleepiness
What is the most common cause of ovulation disorders in the WHO group II classification?
Hypothalamic–pituitary failure
Genetic mutations
Hypothalamic–pituitary dysfunction
Polycystic ovary syndrome (PCOS)
What is the primary active ingredient in hormonal birth control?
Estrogen
Progesterone
Testosterone
Luteinizing hormone (LH)
What is the main initial medical treatment for anovulation?
Ovulation suppression
Administration of synthetic progestins
Continuous administration of GnRH agonist
Ovulation induction
What environmental factor can affect the HPG axis in women with eating disorders?
Stress
High protein diet
Excessive sunlight exposure
Lack of physical exercise
What is the effect of prenatal exposure to alcohol on the HPG axis?
Activation of the HPG axis
Affecting the hormones regulating fetal development resulting in foetal alcohol spectrum disorder
No effect
Increased hormone production
