Give the Formula of Calcium Phosphate

question 107

Multiple Choice

Give the formula of calcium phosphate.

• A) Ca₃(PO₄)₂
• B) Ca₂(PO₄)₂
• C) Ca₃(PO₄)₃
• D) Ca₂(PO₄)₄
• E) Ca₄(PO₄)₂

Understand the various types and symptoms of sexually transmitted infections (STIs).

Recognize the transmission routes and preventive measures for common STIs.

Grasp the historical and ethical dimensions of STI research, including the Tuskegee study.

Identify the first and secondary symptoms of syphilis.

---

Definitions:

Amniocentesis

A procedure for drawing and examining fetal cells sloughed off into amniotic fluid to determine the presence of various disorders.

Blastocyst

A stage within the germinal period of prenatal development in which the zygote has the form of a sphere of cells surrounding a cavity of fluid.

Nourishment

The substances necessary for growth, health, and good condition, often gained through the consumption of food and drink.

Fetal Movements

Refers to the physical movements made by a fetus within the uterus, which can begin to be felt by the mother around 18 to 25 weeks into pregnancy.