ASHA Anatomy and Physiology of Communication

Question 1

Which cranial nerve provides primary motor innervation to the intrinsic and extrinsic muscles of the tongue?

Accepted Answer

CN XII (Hypoglossal)

Answer

CN V (Trigeminal)

Answer

CN VII (Facial)

Answer

CN X (Vagus)

Question 2

The true vocal folds attach anteriorly to the thyroid cartilage and posteriorly to which structures?

Accepted Answer

Arytenoid cartilages

Answer

Cricoid cartilage

Answer

Epiglottis

Answer

Cuneiform cartilages

Question 3

Which structure is primarily responsible for velopharyngeal closure during the production of oral consonants?

Accepted Answer

Velum (soft palate)

Answer

Hard palate

Answer

Uvula

Answer

Epiglottis

Question 4

The Eustachian (auditory) tube connects the middle ear space to which anatomical region?

Accepted Answer

Nasopharynx

Answer

Inner ear

Answer

Oral cavity

Answer

External auditory canal

Question 5

Which is the primary muscle of inhalation that powers respiratory support for speech?

Accepted Answer

Diaphragm

Answer

External intercostals

Answer

Internal intercostals

Answer

Sternocleidomastoid

Question 6

The basilar membrane within the cochlea performs which critical function?

Accepted Answer

Frequency (tonotopic) analysis of incoming sound

Answer

Amplifying sound vibrations via the ossicles

Answer

Producing endolymph for hair cell function

Answer

Transmitting vibrations from the oval window to the brain

Question 7

Which of the following is NOT a primary function of the true vocal folds?

Accepted Answer

Generating resonance in the vocal tract

Answer

Phonation during voiced speech

Answer

Airway protection during swallowing

Answer

Coughing to clear secretions from the airway