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WorksheetsWeek 10 DHE121
Total questions: 80
Worksheet time: 1hrs 3mins
The time it takes for the newly divided cells to be completely replaced throughout the tissue is called:
(a)
Epithelium is vascular (has its own blood supply).
True
False
Depending on its classification, epithelium can be derived from any of the three embryonic cell layers.
Those of the skin and oral mucosa are of (a) origin.
-capable of renewal, rapid turnover time
-cells tightly joined together via desmosomes
-NO blood supply of its own
-nutrition by diffusion of nearby connective tissue
(a)
(a) functions in protection, absorption, and secretion.
This type of epithelium falsely appears as multiple cell layers, but it's truly single layered.
pseudostratified columnar epithelium
pseudostratified cuboidal epithelium
pseudostratified epithelium
The oral mucosa is separated by regional differences. Select them.
Lining
Masticatory
Specialized
Keratinized
buccal mucosa, labial mucosa, alveolar mucosa, floor of the mouth, ventral surface tongue, and the soft palate are examples of (a) mucosa.
(a)
(a)
(a)
(a)
(a)
(a)
(a)
The connective tissue proper in the oral mucosa is the:
(a)
Deep to the connective tissue proper in the oral mucosa is the:
(a)
Basal layer has (a) shaped cells
Labial and buccal mucosa ( not considering a case of trauma) are:
Keratinized
Nonkeratinized
When the buccal tissue exhibits calloused tissue from cheek biting or retainers, the tissue is:
Hypokeratinized
Hyperkeratinized
Parakeratinized
Orthokeratinized
This shiny, moist region is extremely mobile.
It has a submucosa with minor salivary glands and many elastic fibers.
Name the lining mucosa.
(a)
1. The soft palate has a special type of elastic fiber group to allow for movement.
2. The special fiber group is not adhered to bone.
First statement true, second false
First statement false, second true
Both true
Both false
Attached gingiva, hard palate, and the dorsal surface of the tongue are examples of (a) mucosa.
(a)
(a)
(a)
(a)
The keratin layer of masticatory mucosa can be:
Orthokeratinized
Parakeratinized
Both Orthokeratinized or Parakeratinized
The alveolar mucosa, ventral surface of tongue, soft palate (special elastic fibers), lateral zones of palate all have what in common? They all have a (a) .
You have salivary glands on your hard palate that can become irritated due to hot (temperature) foods, drinks, or smoke inhalation.
True
False
The outer part of the bone is covered by the (a) , which is a double-layered, dense connective tissue sheath.
The connective tissue surrounding most cartilage is the (a) , a fibrous connective tissue sheath containing blood vessels.
Attached gingiva is
Orthokeratinized
Parakeratinized
Mucoperiosteum is in the attached gingiva.
True
False
The dorsal surface of the tongue is both orthokeratinized and parakeratinized.
True
False
The ____________ salivary glands are present in the submucosa deep to the lamina propria of the circumvallate lingual papillae.
These minor serous glands flush the trough surrounding the circumvallate lingual papillae.
Von Ebner
Michael Scott
Van Halen
Von Web
The taste cells have taste receptors that are responsible for making contact with dissolved molecules of food at the (a) and producing a taste sensation
The circumvallate papillae and soft palate have what taste perception (sour, bitter, sweet, salty)
(a)
The foliate papillae have what taste perception (sour, bitter, sweet, salty)
(a)
The anterior portion of the tongue has what taste perception (sour, bitter, sweet, salty)
(a)
The middle portion of the tongue has what taste perception (sour, bitter, sweet, salty)
(a)
What is the most abundant cell in our body?
(a)
Select the classifications of connective tissue.
Soft connective tissue
Firm connective tissue
Rigid
Fluid
Select the characteristics of soft connective tissue.
Loose connective tissue
Dense connective tissue
Connective tissue with adipose properties
Schwann cells
Select the characteristics of firm connective tissue.
Hyaline Cartilage
Elastic Cartilage
Fibrous Cartilage
Select the characteristics of rigid connective tissue.
Cancellous Bone
Compact Bone
Synapses
Nodes of Raniver
Elastic connective tissue is found in the vocal cords.
True
False
Reticular connective tissue serves as framework to keep our organs and lymph nodes in place.
True
False
Cartilage has its own blood supply.
True
False
2 types of cells found in cartilage are the immature __________, which lie internal to the perichondrium and produce cartilage matrix.
The __________, which are mature chondroblasts maintain the cartilage matrix within their lacunae.
Chondroblasts, Chondrocytes
Osteoblasts, Osteocytes
Cementoblasts, Cementocytes
The mature chondrocytes lie within a:
(plural or singular)
(a)
This is a histology slide of what type of cartilage? It is found on the outer portion of the cartilage disk of TMJ joint.
(a)
What type of cartilage does this depict? Most abundant in the body, and it is found in the nasal cavities, thyroid cartilage, etc.
(a)
A layer of ___________ is always present on the external surface of cartilage to allow appositional growth of cartilage after an injury or remodeling.
Chondroblasts
Chondrocytes
Hyaline Cartilage
1. ____________ cartilage grows within a cartilage model.
2. ____________ cartilage grows in response to trauma or injury repairing itself (outer layer growth)
1. Interstitial, 2. Appositional
1. Appositional, 2. Interstitial,
Bone consists of cells and a partially mineralized matrix that is composed of inorganic material or mineralized material, which is a crystalline formation of mainly __________ that gives bone its hardness.
calcium hydroxyapatite
potassium hydroxyapatite
magnesium hydroxyapatite
sulfate hydroxyapatite
During repair of the avascular cartilage, it’s dependent on neighboring connective tissue from the _____ for _____ to transform slowly into cartilage.
Newly formed cartilage slowly proliferates and fills in the defect by “_____ Growth.”
1. Perichondrium 2. Nutrition 3. Appositional
1. Periosteum 2. Nutrition 3. Appositional
1. Basement membrane 2. Nutrition 3. Appositional
The ____________ is a central vascular canal within each osteon surrounded by lamellae; it contains longitudinally running blood vessels, nerves, and a small amount of CT and is lined by endosteum.
Haversion canal
Oblique Canal
Volkmann canal
The horizontal nutrient canals branching off of the Haversian canals are called the:
Volkmann canals
Canaliculi
Lamellae
Within fully mineralized bone are (a) , which are entrapped mature osteoblasts similar to chondrocyte, the cell body is surrounded by bone, except for the space immediately around it, the lacuna.
Osteoblasts arise from fibroblasts.
True
False
Cytoplasmic processes of the osteocyte radiate outward in all directions in the bone and are located in tubular canals of matrix, are called: _______
These processes provide for interaction between osteocytes.
Canaliculi
Lamellae
Lucuna
Osteoblast
Bone matrix in compact bone is formed into closely apposed sheets called ______________ within and between each one is embedded osteocytes with their cytoplasmic processes in the canals.
Lamellae
Canaliculi
Lucuna
Lucunae
1. The periosteum is a double layered CT sheath that has an inner layer and an outer layer.
2. The inner layer gives rise to osteoblasts. The outer layer consists of blood vessels and nerves.
First statement true, second false
First statement false, second true
Both true
Both false
Endochondral ossification occurs before intramembranous ossification.
True
False
The process of ___________ involves the formation of osteoid between 2 dense CT sheets, which then eventually replaces the outer CT.
This type of process contrasts with the process of endochondral ossification that involves the formation of the osteoid within a hyaline cartilage model that subsequently becomes mineralized and dies.
Intramembranous ossification
Endochondral ossification
Osteoblast ossification
Bone matrix is initially formed as (a) , which later undergoes mineralization. This is produced by osteoblasts, cuboidal cells that arise from fibroblasts.
The osteoclast is a large multi-nucleated giant cell located on the surface of secondary bone in a large shallow pit created by this resorption, a _________________.
Howship lacuna
Lamellae
Volkmann canals
Haversian system
The functional cellular component that receives and conducts impulses
(a)
Select the 3 parts of a neuron.
Cell Body or (Perikaryon)
Axon
Dendrites
Node of Ranvier
1. Afferent nerve=sensory nerve- carries info or relays impulses from the periphery of the body to the brain or spinal cord.
Efferent nerve=motor nerve- carries info away from the brain or spinal cord to the periphery of the body
First statement true, second false
First statement false, second true
Both true
Both false
1. The 3 muscle types are skeletal, smooth, and cardiac.
2. They are all involuntary.
First statement true, second false
First statement false, second true
Both true
Both false
What is this?
(a)
What is this?
The filiform papillae are gone within the exposed areas, and it is sensitive to spicy foods.
(a)
1. The medial zone of the hard palate has a __________.
2. The lateral zone of the hard palate has a ___________.
1. mucoperiosteum, 2. submucosa
1. submucosa 2. mucoperiosteum
None of the above
(a)
(a) in its lacuna.
(a)
singular (1 ring)
(a)
(a)
