Exam 22: Reproductive Systems

The number of sperm cells that form from a primary spermatocyte is

A patient comes into the emergency room with a high fever. Blood testing reveals that their immune system is severely weakened, making them prone to infections. The patient also reports chronic weakness/fatigue. After discussing their problems with a doctor, they admit that they are a drug user and sometimes use dirty needles. Which of the following STIs is the patient suffering from?

Semen

Which of the following is not a male secondary sex characteristic? 

The gubernaculum guides the testis through the ________ canal.

During meiosis II, one spindle fiber fails to attach to a chromosome at the centromere. How will this affect the genetic content of the daughter cells?

The egg, or ovum, is more correctly called

The first step in oogenesis is when a

In females, which structure is immediately anterior to the vagina?

The cells that result from meiosis are diploid.

The primary organs of the female reproductive system are the uterus and vagina.

A male patient comes into the clinic with his female partner. He complains of a painful burning sensation while urinating. He suspects an STI, but his partner has no symptoms to speak of. Which of the following STIs does he most likely have?

Identify the correct sequence for the steps of meiosis I.

Which of the following provides mechanical contraception?

Polycystic ovarian syndrome (PCOS) is a disorder in which a female produces abnormally high levels of androgens (particularly testosterone), which have various adverse effects on the female body. Which of the following describes a symptom that would be caused by high blood androgens level in a female?

The female structure that corresponds to the male penis is the

A circumcision removes

Which of the following correctly describes an erection?

In a certain male individual, primary spermatocytes do not divide into secondary spermatocytes, yet still undergo spermiogenesis and form mature sperm. How will the resulting sperm differ from normal sperm? 

A relatively new theory has arisen regarding the development of twins at fertilization. In addition to the phenomena of identical and fraternal twins, the theory suggests that semi-identical twins called polar body twins can occur if fertilization occurs in the second polar body immediately after fertilization of the oocyte (different sperm fertilizing each). If this is true, what should be true about the zygotes?