In an Experiment, It Was Found That Newborn Rats Who

question 92

Multiple Choice

In an experiment, it was found that newborn rats who were genetically predisposed to be skittish, nervous, and high-strung would develop into calm, exploratory, and stress-resistant adultrats when raised by genetically unrelated, attentive mothers.The researchers concluded that:

• A)although the rats' DNA did not change, the chemicals that controlled their gene expression did change
• B)the genes controlling the rats' behavior must have mutated.
• C)although the rats' DNA changed, the chemicals that controlled their gene expression did not.
• D)the epigenetic changes were inherited from the previous generation of temperamental rats and were only expressed when the environment was favorable.

---

Definitions:

Health History Form

A document used in medical settings that records a patient's medical history, including past illnesses, surgeries, and family medical history, to aid in diagnosis and treatment.

Medications

Substances used to diagnose, treat, or prevent illness and disease in humans or animals.

Allergies

Immune system reactions to a foreign substance that is not typically harmful to the body, such as pollen, food, or pet dander.

SOAP Charting

A method of documentation employed by healthcare providers to write out notes in a patient's chart, consisting of four sections: Subjective, Objective, Assessment, and Plan.