MDCAT 2026 MCQs

Osteoclasts break down mineralized bone.
Their activity participates in remodeling and calcium balance.

A sarcomere extends from one Z disc to the next.
Its actin and myosin arrangement produces striation and contraction.

A sarcomere extends from one Z disc to the next.
Its actin and myosin arrangement produces striation and contraction.

A sarcomere extends from one Z disc to the next.
Its actin and myosin arrangement produces striation and contraction.

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

Barrier protection reduces exchange of infected body fluids.
Testing and informed prevention are also important.

A mid-cycle LH surge causes rupture of the mature follicle.
The oocyte is released from the ovary.

Barrier protection reduces exchange of infected body fluids.
Testing and informed prevention are also important.

A mid-cycle LH surge causes rupture of the mature follicle.
The oocyte is released from the ovary.

A mid-cycle LH surge causes rupture of the mature follicle.
The oocyte is released from the ovary.

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.