Basic Medical Histology (GMS6630) Unit 4 Exam | Questions And Answers Latest {2024-
2025} A+ Graded | 100% Verified
A patient is brought into the emergency department because she is bleeding from Kiesselbach area.
Blood is issuing from the patient's
a. external ear canal.
b. lip.
c. nostril.
d. rectum.
e. urethra. - c. nostril.
The olfactory cells possess olfactory cilia whose terminal ends have
a. dynein arms.
b. nine peripheral doublets.
c. two central doublets.
d. nine peripheral singlets.
e. two central singlets and nine peripheral doublets. - d. nine peripheral singlets.
A patient goes to his allergist for the symptoms of headache, pain below the eyes, toothache affecting
the upper teeth, and general malaise. The allergist determines that the patient has an infection of the
a. frontal sinuses.
b. maxillary sinuses.
c. sphenoidal sinuses.
d. ethmoidal sinuses.
e. larynx. - b. maxillary sinuses.
Pneumocytes II (type II pneumocytes) are responsible for which of the following?
a. Regeneration of the alveolar epithelium
b. Phagocytosis of dust
,c. Formation of the blood-air barrier
d. Synthesis of mucinogen
e. Exchange of gases - a. Formation of surfactant and regeneration of the alveolar epithelium
The walls of bronchioles have
a. a C-ring of cartilage in their submucosa.
b. plates of cartilage in their adventitia.
c. no cartilage in their wall.
d. no elastic fibers associated with them.
e. a pseudostratified epithelium. - c. no cartilage in their wall.
Which of following structures belongs to the respiratory (as opposed to the conducting) portion of the
respiratory system?
a. Alveolar sac
b. Primary bronchus
c. Secondary bronchus
d. Trachea
e. Terminal bronchiole - a. Alveolar sac
Oxygen and carbon dioxide crossing between blood and air in the lungs must pass through cells of the
following types:
a. type I pneumocyte only.
b. type I pneumocyte and endothelial cells.
c. type I pneumocyte and type II pneumocyte.
d. type II pneumocyte only.
e. club (Clara) cells and endothelial cells. - b. type I pneumocyte and endothelial cells.
A baby who was just born has respiratory distress of the newborn and is given glucocorticoids to
stimulate
a. bronchiolar smooth muscle contraction.
, b. contraction of the diaphragm.
c. type I pneumocytes to function.
d. type II pneumocytes to function.
e. dust cells to function. - d. type II pneumocytes to function.
Which of the following possesses specialized mucosa?
a. Ventral surface of the tongue
b. Attached gingiva
c. Buccal mucosa
d. Dorsal surface of the tongue
e. Free gingiva - d. Dorsal surface of the tongue
Fordyce granules are nonfunctional
a. mucous minor salivary glands.
b. sebaceous glands.
c. sweat glands.
d. mixed minor salivary glands.
e. serous minor salivary glands. - b. sebaceous glands.
Which of the following principal fiber groups insert into the cementum only?
a. Horizontal fibers
b. Dentoperiosteal fibers
c. Interradicular fibers
d. Transseptal fibers
e. Circular fibers - d. Transseptal fibers
Which of the following regions of the oral cavity possesses all three types of minor salivary glands
(serous only, mucous only, and mixed)?
a. Cheek
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