With regard to the tongue:Group of answer choicesThe genioglossus muscles protrude the tongueThe tongue is separated into an anterior third and a posterior two thirds by the sulcus terminalisThe palatine tonsils lie deep to the mucosa of its posterior thirdTaste buds are embedded in the sides of the filiform papillaeThe tongue is attached to the floor of the mouth by the palatoglossus muscle

The genioglossus muscles protrude the tongue: This is true. The genioglossus muscle is one of the major muscles of the tongue. Its primary function is to stick out or protrude the tongue.

The tongue is separated into an anterior third and a posterior two thirds by the sulcus terminalis: This is true. The sulcus terminalis is a V-shaped groove that separates the anterior two-thirds of the tongue, which lies in the oral cavity, from the posterior one-third, which lies in the oropharynx.

The palatine tonsils lie deep to the mucosa of its posterior third: This is false. The palatine tonsils are located in the oropharynx, but they are not part of the tongue. They are located on either side of the throat, not deep within the mucosa of the tongue's posterior third.

Taste buds are embedded in the sides of the filiform papillae: This is false. Taste buds are found in the fungiform, circumvallate, and foliate papillae, not the filiform papillae. The filiform papillae do not contain taste buds; they are involved in the sensation of touch.

The tongue is attached to the floor of the mouth by the palatoglossus muscle: This is false. The tongue is attached to the floor of the mouth by the lingual frenulum, not the palatoglossus muscle. The palatoglossus muscle is involved in the movement of the tongue, but it does not attach the tongue to the floor of the mouth.