Which Statement About the Predisposing and Etiological Factors Associated with Intellectual

question 72

Multiple Choice

Which statement about the predisposing and etiological factors associated with intellectual disabilities is accurate ?

• A) Heredity explains the cause of over one-half of all cases of intellectual disabilities.
• B) Down syndrome and fetal alcohol syndrome account for almost 75 percent of all cases of intellectual disabilities.
• C) More children develop intellectual disabilities because of infections and brain damage during infancy than because of all other causes put together.
• D) In a large majority of cases (80 percent), the cause of intellectual disabilities is not known.

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Definitions:

Rinne Test

A hearing test using a tuning fork to assess the difference in sound perception between air conduction and bone conduction.

Pure Tone Audiometry

A hearing test that uses tones of various frequencies and intensities to determine a person's hearing thresholds.

Bronchovesicular Breath Sounds

Breath sounds that are a mix of bronchial (heard over the trachea) and vesicular (heard over the lung tissue) sounds, indicative of normal airflow through the bronchial tree.

Midclavicular Line

An imaginary vertical line that passes through the midpoint of the clavicle in the frontal plane of the body, often used as a point of reference in medical examinations.