MDCAT Biology MCQs

Chondrocytes occupy spaces called lacunae in cartilage.
They maintain the extracellular matrix.

The corpus luteum secretes progesterone.
It maintains a secretory endometrium for possible implantation.

The corpus luteum secretes progesterone.
It maintains a secretory endometrium for possible implantation.

The corpus luteum secretes progesterone.
It maintains a secretory endometrium for possible implantation.

Degeneration of the corpus luteum lowers ovarian hormones.
The endometrial lining then breaks down and is shed.

Degeneration of the corpus luteum lowers ovarian hormones.
The endometrial lining then breaks down and is shed.

Degeneration of the corpus luteum lowers ovarian hormones.
The endometrial lining then breaks down and is shed.

Syphilis is a bacterial sexually transmitted infection.
Its causative spirochete is Treponema pallidum.

Syphilis is a bacterial sexually transmitted infection.
Its causative spirochete is Treponema pallidum.

Syphilis is a bacterial sexually transmitted infection.
Its causative spirochete is Treponema pallidum.

Gonorrhea is caused by Neisseria gonorrhoeae.
It may produce painful urination and reproductive complications.

Fertilization normally occurs in the oviduct.
The early embryo later moves toward the uterus.