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Spermatozoa Capacitation Process

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Questions and Answers

What is the process in which sperm must undergo maturational changes to acquire the ability to fertilize oocytes?

Ejaculation

Capacitation (correct)

Implantation

Insemination

Why are human spermatozoa unable to fertilize oocytes while bathed in seminal plasma?

Seminal plasma enhances capacitation

Seminal plasma triggers the acrosome reaction

Seminal plasma inhibits capacitation (correct)

Seminal plasma increases sperm motility

What is the effect of re-exposure to seminal plasma on spermatozoa?

Enhances their ability to fertilize oocytes

Inhibits capacitation (correct)

Triggers the acrosome reaction

Increases their capacity for implantation

Who described the process of capacitation more than 50 years ago?

Austin and Chang Signup and view all the answers

What is the primary factor in seminal plasma that prevents capacitation in ejaculated spermatozoa?

Progesterone Signup and view all the answers

What is the term for the process during which sperm acquire the ability to fertilize oocytes?

Capacitation Signup and view all the answers

Which of the following statements regarding the effect of seminal plasma on spermatozoa is true?

Seminal plasma prevents spermatozoa from undergoing the acrosome reaction Signup and view all the answers

What is inhibited in spermatozoa by prolonged or re-exposure to seminal plasma?

Acrosome reaction Signup and view all the answers

Which of the following is a key reason why human spermatozoa cannot fertilize oocytes while bathed in seminal plasma?

Presence of a factor preventing capacitation Signup and view all the answers

What was described more than 50 years ago by Austin and Chang?

The process of capacitation Signup and view all the answers