OA11Head and Neck Structures

oa11head-and-neck-structures

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Question 1 of 1

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In a lymph node, the B-cell lymphocytes mature within the:

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Explanation

Each lymphatic nodule has a germinal center containing many immature lymphocytes. As they mature, these lymphocytes enter either the area of the nodule surrounding the germinal center or the lymph. These mature lymphocytes are of the B-cell type and are m

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n salivary glands, which of the following structures is composed of secretory epithelial cells?

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Explanation

Secretory cells are found in a group, or acinus. Connective tissue surrounds the epithelium, protecting and supporting the gland. The connective tissue of the gland is divided into the capsule, which surrounds the outer part of the entire gland, and the s

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The connective tissue capsule surrounding the salivary gland is continuous with the connective tissue septa that run between the epithelial components, creating:

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Explanation

The connective tissue of the gland is divided into the capsule, which surrounds the outer part of the entire gland, and the septa. Each septum helps divide the inner part of the gland into the larger lobes and smaller lobules.

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The foramen cecum of the tongue is a:

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Explanation

The foramen cecum, which is the opening of the thyroglossal duct, is a small, pitlike depression located where the sulcus terminalis points backward toward the oropharynx. This duct shows the origin of the thyroid and the migration pathway of the thyroid

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The reduction in the amount of glandular secretion noted in patients with xerostomia is called:

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Explanation

The decreased production of saliva is considered hyposalivation and can result in xerostomia, or dry mouth.

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Which of the following salivary glands are associated with the circumvallate lingual papillae and secrete only serous saliva?

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Explanation

The von Ebner salivary glands are associated with the larger circumvallate lingual papillae on the posterior part of the dorsal surface of the tongue. These glands contain only serous acini and thus secrete only a watery serous secretory product. The subl

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7. Which of the following paranasal sinuses may be compromised with a periapical infection in a permanent maxillary molar?

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Explanation

Because the roots of the maxillary posterior teeth are in close proximity to the maxillary sinus, maxillary sinusitis can sometimes result as infection spreads from a periapical abscess associated with one of the roots of a maxillary posterior tooth.

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Which of the following salivary glands is unencapsulated?

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Explanation

The sublingual salivary gland is the only unencapsulated major salivary gland. Both the parotid and submandibular salivary glands are encapsulated major salivary glands.

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Where is the tonsillar tissue located in the oral cavity?

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Explanation

Intraoral tonsillar tissue consists of nonencapsulated masses of lymphoid tissue located in the lamina propria of the oral mucosa. It is covered by stratified squamous epithelium that is continuous with the surrounding oral mucosa.

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The palatine tonsils are two rounded masses of variable size located between the:

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Explanation

The palatine tonsils are two rounded masses of variable size located between the anterior and posterior faucial pillars. The lingual tonsil is an indistinct layer of diffuse lymphoid tissue located on the base of the dorsal surface of the tongue, posterio

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Where is the lingual tonsil located in the oral cavity?

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Explanation

The lingual tonsil is an indistinct layer of diffuse lymphoid tissue located on the base of the dorsal surface of the tongue. Behind the uvula, on the superior and posterior walls of the nasopharynx, are the pharyngeal tonsils, forming an incomplete ring

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Which of the following statements concerning salivary glands is false?

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Explanation

Saliva supplies the minerals for supragingival calculus formation; gingival crevicular fluid supplies the minerals via the blood system for subgingival calculus formation. Mucoserous acini have both a group of mucous cells surrounding the lumen and a sero

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Which of the following can never be palpated during an extraoral examination of a patient?

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Explanation

The parathyroid glands within the thyroid gland are not palpable during an extraoral examination of a patient. The thyroid gland and parotid salivary gland can be palpated during an extraoral examination in a healthy patient. With inflammation or other di

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Which of the following ducts are associated with the terminal part of the salivary gland?

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Explanation

The duct associated with an acinus or terminal part of the salivary gland is the intercalated duct. The striated duct is a part of the ductal system that is connected to the intercalated ducts in the lobules of the salivary gland. The final part of the sa

OA11Head and Neck Structures

Question 1 of 1

Time Left

In a lymph node, the B-cell lymphocytes mature within the:

Select the correct answer(s).

(0/0)

Explanation

n salivary glands, which of the following structures is composed of secretory epithelial cells?

Select the correct answer(s).

(0/0)

Explanation

The connective tissue capsule surrounding the salivary gland is continuous with the connective tissue septa that run between the epithelial components, creating:

Select the correct answer(s).

(0/0)

Explanation

The foramen cecum of the tongue is a:

Select the correct answer(s).

(0/0)

Explanation

The reduction in the amount of glandular secretion noted in patients with xerostomia is called:

Select the correct answer(s).

(0/0)

Explanation

Which of the following salivary glands are associated with the circumvallate lingual papillae and secrete only serous saliva?

Select the correct answer(s).

(0/0)

Explanation

7. Which of the following paranasal sinuses may be compromised with a periapical infection in a permanent maxillary molar?

Select the correct answer(s).

(0/0)

Explanation

Which of the following salivary glands is unencapsulated?

Select the correct answer(s).

(0/0)

Explanation

Where is the tonsillar tissue located in the oral cavity?

Select the correct answer(s).

(0/0)

Explanation

The palatine tonsils are two rounded masses of variable size located between the:

Select the correct answer(s).

(0/0)

Explanation

Where is the lingual tonsil located in the oral cavity?

Select the correct answer(s).

(0/0)

Explanation

Which of the following statements concerning salivary glands is false?

Select the correct answer(s).

(0/0)

Explanation

Which of the following can never be palpated during an extraoral examination of a patient?

Select the correct answer(s).

(0/0)

Explanation

Which of the following ducts are associated with the terminal part of the salivary gland?

Select the correct answer(s).

(0/0)

Explanation

Which of the following ducts are located in the septum of the salivary gland?

Select the correct answer(s).

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Explanation

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