In humans, the normal prenatal developmental period from the day of conception is a total of __ weeksQuestion 14Answera.36 weeksb.42 weeksc.38 weeksd.40 weeks

Break Down the Problem

1. Identify the normal duration of human prenatal development.
2. Assess the options given for the correct answer.

Relevant Concepts

• The average length of a full-term pregnancy is commonly recognized as either 38 weeks from conception or about 40 weeks from the last menstrual period (LMP).

Analysis and Detail

1. The options provided are:
   • a. 36 weeks
   • b. 42 weeks
   • c. 38 weeks
   • d. 40 weeks
2. Generally, the prenatal development is counted from the last menstrual period (LMP), which leads to the 40-week figure.

Verify and Summarize

• Since the question specifically asks for the normal prenatal developmental period from the day of conception, it is typically considered to be around 38 weeks.

Final Answer

The normal prenatal developmental period from the day of conception is 38 weeks (Answer c).