18 Questions
What is the primary function of the acrosome in the fertilization process?
To release enzymes that break down the egg's coating
What is the main effect of the cortical granule reaction during oocyte activation?
It causes the oocyte membrane to become impermeable to other sperm
What is the genetic basis of Klinefelter syndrome?
An additional X chromosome, resulting in 47 chromosomes
What is the primary cause of the reproductive dysfunction in Kallman syndrome?
Genetic mutations affecting the olfactory bulb
What is the most common cause of hyperprolactinaemia?
Pituitary tumors
Which of the following conditions is associated with a loss of sense of smell?
Kallman syndrome
Which of the following is NOT a function of the testes?
Regulation of the menstrual cycle
What is the role of the acrosome reaction in fertilization?
It allows the sperm to penetrate the zona pellucida of the oocyte
What is the primary function of the hypothalamic-pituitary-gonadal (HPG) axis?
To regulate the development and function of the gonads
What is the main characteristic of Klinefelter syndrome?
All of the above
What is the primary cause of Kallmann syndrome?
Congenital defect in GnRH neuron development
Which of the following is a key step in oocyte activation during fertilization?
Calcium influx into the oocyte
What is the primary function of the acrosome in sperm?
To initiate the oocyte activation process
Which of the following is a characteristic of Klinefelter syndrome?
Presence of an extra X chromosome in males
What is the primary cause of Kallmann syndrome?
Abnormal development of the hypothalamus
Which of the following environmental factors can negatively impact sperm production?
Radiation exposure
What is the primary function of the hypothalamic-pituitary-gonadal (HPG) axis in male reproductive function?
Control of testosterone production and spermatogenesis
Which of the following statements about androgen insensitivity syndrome is true?
It can lead to female body development despite XY chromosomes
This quiz covers the process of fertilization including the release of enzymes to break through the egg coating, oocyte activation, and formation of male and female pronuclei. It also touches on disturbances in testes function at the genetic level such as Klinefelter syndrome.
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