Traditionally, Physicians Calculate the First Day of Pregnancy as ________

question 108

Multiple Choice

Traditionally, physicians calculate the first day of pregnancy as ________.

• A) the last day of the menstrual period plus 5 days
• B) the date of last intercourse
• C) the date of the beginning of the last menstrual period
• D) 14 days after the previous menstrual period

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Definitions:

Acetic Acid Solution

A solution composed of acetic acid, often used in vinegar, with acidic properties resulting from the presence of acetic acid.

Buffer Solution

A solution that resists changes in pH upon the addition of small amounts of acid or base, typically made from a weak acid and its conjugate base.

Acid

A substance that can donate a hydrogen ion (H+) and usually has a sour taste.

Base

A substance that can accept hydrogen ions (protons) or more generally, donate a pair of valence electrons.