Anatómico sciences

Which of the following groups of cells in the adrenal gland secretes epinephrine?
1. Medullary cells
2. Zona fasciculata cells 
3. Zina glomerulosa cells
4. Zona reticularis cells

Which of he following empty into the right atrium?
1. Pulmonary and bronchial veins
2. Superior vena cava, coronary sinus and hemiazygos vein
3. Superior and inferior vena cava and coronary sinus 
4. Coronary sinus and pulmonary veins

Surgical excision of the parotid gland endangers which of the following structures in addition to the facial nerve?
1. Hypoglossal nerve
2. Motor nerves to the muscles of mastication
3. External carotid artery and auricultemporal nerve
4. Lesser occipital nerve and spinal accessory nerve

Which of the following connective tissue cells is most concerned with defense against bacterial invasion?
1. Basophil
2. Eosinophil
3. Mast cell
4. Macrophage
5. Erythrocyte

Which of the following elements are present during development and growth of the alveolar process?
1. Osteoblasts, osteoclasts, osteoid
2. perichodrium, osteoblasts, Periosteal bud
3. Osteoblasts, osteoid, megakaryocytes
4. Periosteum, epiphyseal ossification centers, osteoblasts

Which of the following are particularly well developed in cells synthesizing proteins for secretion?
1. Lysosomes
2. Mitochondria
3. Liposuction granules
4. Rough endoplasmic reticula
5. All of the above

A needle for an inferior alveolar nerve injection mistakenly passes posteriorly at the level of the mandibular foramen.  Which of the following structures is it likely to contact?
1. Parotid gland
2. Lingual nerve
3. Internal carotid artery
4. Pterygomandibular raphe
5. Tendon of the temporalis muscle

Which of the following correctly describes the activity of tooth forming cells during the last part of active eruption.
1. Ameloblasts are functioning actively
2. Odontoblast are functioning actively
3. The secondary enamel cuticle is being formed 
4. Cementoblasts have completed their work and are no longer functional

Motor fibers from the mandibular division of the trigeminal nerve are distributed to which of the following muscles?
1. Stylopharyngeus muscles only 
2. Intrinsic muscles of the tongue
3. Muscles of mastication and anterior belly of digastric only
4. Muscle of facial expression and posterior belly of digastric
5. Muscles of mastication, anterior belly of di gastric, tensor tympani, tensor veil palatini and Mylohyoid

Which of the following areas of the cerebral cortex is concerned with the recognition of painful stimuli from the teeth?
1. Precentral gyrus
2. Superior temporal gyrus
3. Postcentral gyrus
4. Cortex along the lips of the cal ermine fissure

Which of the following occurs during the early stage of the eruption of a tooth?
1. Maturation of enamel
2. formation of dental sac
3. Formation of Stellate reticulum
4. Differentiation of the stratum intermedium

Which of the following is correct concerning the structure of the palatal submucosa?
1. A network of vascular spaces acts as a hydrostatic cushion
2. The entire submucosa consists of loose connective tissue containing compressible ground substance
3. The anterior zone contains spaces filled with fat while the posterior zone contains nests of mucous glands.
4. The anterior zone consists of a dense collagenous network while the posterior zone contains compressible vascular spaces.

Which of the following cartilages will be cut twice in a sagittal section through the neck.
1. Cricoid
2. Thyroid
3. Arytenoid
4. Epiglottis
5. Second tracheal cartilage

Which of the following contains the hypothalamo-hypophyseal tract?
1. Pars nervosa
2. Pars intermedia
3. Infundibular stalk
4. Pars distalis of the hypophysis
5. None of the above

The adult parotid gland can be distinguished by which of the following features?
A) mucous acini with serous demilunes
B) mucous acini inly
C) long intercalated ducts
D) serous acini only
E) relatively long secretory ducts

Which of the following are attached to the cell membrane?
a) cell coat 
b) microfilaments 
c) reticular fibers
d) Golgi complex
e) sharpey's fibers

Which of the following structures may be found in the infratemporal fossa?
A) d) ophthalmic nerve
B) b) medial pterygoid muscle
C) a) sphenomandibular ligament
D) e) internal jugular vein
E) c) middle meningeal artery

The greater petrosal nerve contains which of the following components?
A) sympathetic fibers
B) parasympathetic fibers
C) special visceral efferent fibers
D) general visceral afferent fibers
E) general somatic efferent fibers

The noncellular components in osseosus tissue include
A) d) osteoblasts
B) b) canaliculi
C) e) matrix substance
D) c) osteocytes
E) f) hematopoietic elements
F) a) lacunae

Mineral-poor ectodermal structures
A) c) spindles
B) b) lamellae
C) d) odontoblastic processes
D) a) tufts
E) in enamel include

The submental lymph nodes receive drainage from the
A) a) upper lip
B) c) mandibular incisors
C) b) tip of the tongue
D) f) lateral portion of the lower lip
E) e) middle portion of the lower lip
F) d) anterior floor of the mouth

The cell component that is genetically continuous from one cell generation to the next is
1. Nuclear membrane
2. Golgi complex
3. Central bodies
4. Chromatin

The combined layers of stood emu ectoderm and foregut endoderm comprise the
1. Buccopharyngeal membrane 
2. First pharyngeal arch
3. Madibular process
4. Primitive palate

DNA is found principally in 
1. A nucleolus
2. The nucleus
3. The cytoplasm
4. The mitochondria
5. The cell membrane

The normal gingival sulcus is bounded by the
1. Tooth surface and epithelial covering of attached gingiva
2. Tooth surface and epithelial covering of free gingiva
3. Epithelial covering of free and  attached gingiva
4. Free gingival groove and mucogingival junction
5. Tooth surface and gingival lamina propria