TAMU BIOL 319 Lab Practical PROCTORED 2026 TEST
BANK UPDATED QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+
Multinucleated cell that secretes acid and proteases to dissolve bone matrix - CORRECT
ANSWER >>>Define: Osteoclast
Stem cell that gives way to osteoblasts - CORRECT ANSWER >>>Define: Osteoprogenitor Cell
Derived from osteoprogentior cells; secretes organic components of bone matrix; can give way
to osteocyte - CORRECT ANSWER >>>Define: Osteoblast
Derived from osteoblasts; involved in bone maintenance - CORRECT ANSWER >>>Define:
Osteocyte
The study of tissues - CORRECT ANSWER >>>Define: Histology
Epithelial
Connective
Muscle
Nervous - CORRECT ANSWER >>>What are the four main tissue types?
Lining and covering organs and their internal passageways - CORRECT ANSWER >>>Where are
epithelial tissues located?
1|Page
,The side of the epithelium that is exposed to the external environment/internal cavity -
CORRECT ANSWER >>>Define: Free surface (wrt epithelium)
True - CORRECT ANSWER >>>T/F: Epithelia are avascular
Basal Lamina - CORRECT ANSWER >>>Epithelia are attached to the body via _____________.
Connective - CORRECT ANSWER >>>Located below a basal lamina is a layer of __________
tissue.
Diffusion, absorption, and secretion - CORRECT ANSWER >>>Main function of simple epithelia
Cilia or microvilli - CORRECT ANSWER >>>Simple epithelia generally have ______ or _______ on
the free surface.
Secrete mucus that coat free surface of simple epithelial cells - CORRECT ANSWER >>>Main
function of goblet cells
Sweep mucus to remove debris - CORRECT ANSWER >>>Main funtion of microvilli of simple
epithelial cells
Increase surface area for absorption - CORRECT ANSWER >>>Main function of cilia of simple
epithelial cells
Areas exposed to friction/abrasion - CORRECT ANSWER >>>Where are stratified epithelia cells
found?
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, The type of cell at the free surface - CORRECT ANSWER >>>When a stratified epithelium has
more than one type of cell ___________ determines the classification of the tissue.
Glandular - CORRECT ANSWER >>>____________ epithelia IS vascularized.
Any gland within the body - CORRECT ANSWER >>>Glandular epithelial cells make up
________.
Nourishment (exposure to vascular structures) - CORRECT ANSWER >>>What determines an
epithelial cell's ability to regenerate?
Single layer of flat cells
Sparse cytoplasm
Central, disk-shaped nucleus - CORRECT ANSWER >>>Physical description of simple squamous
epithelium
Allow for diffusion
Filtration
Secrete lube in serosae - CORRECT ANSWER >>>Function of simple squamous epithelium
Kidney glomeruli
Air sack of lungs
Blood and lymphatic vessels
Lining of ventral body cavity (serosae) - CORRECT ANSWER >>>Location of simple squamous
epithelium
3|Page
BANK UPDATED QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+
Multinucleated cell that secretes acid and proteases to dissolve bone matrix - CORRECT
ANSWER >>>Define: Osteoclast
Stem cell that gives way to osteoblasts - CORRECT ANSWER >>>Define: Osteoprogenitor Cell
Derived from osteoprogentior cells; secretes organic components of bone matrix; can give way
to osteocyte - CORRECT ANSWER >>>Define: Osteoblast
Derived from osteoblasts; involved in bone maintenance - CORRECT ANSWER >>>Define:
Osteocyte
The study of tissues - CORRECT ANSWER >>>Define: Histology
Epithelial
Connective
Muscle
Nervous - CORRECT ANSWER >>>What are the four main tissue types?
Lining and covering organs and their internal passageways - CORRECT ANSWER >>>Where are
epithelial tissues located?
1|Page
,The side of the epithelium that is exposed to the external environment/internal cavity -
CORRECT ANSWER >>>Define: Free surface (wrt epithelium)
True - CORRECT ANSWER >>>T/F: Epithelia are avascular
Basal Lamina - CORRECT ANSWER >>>Epithelia are attached to the body via _____________.
Connective - CORRECT ANSWER >>>Located below a basal lamina is a layer of __________
tissue.
Diffusion, absorption, and secretion - CORRECT ANSWER >>>Main function of simple epithelia
Cilia or microvilli - CORRECT ANSWER >>>Simple epithelia generally have ______ or _______ on
the free surface.
Secrete mucus that coat free surface of simple epithelial cells - CORRECT ANSWER >>>Main
function of goblet cells
Sweep mucus to remove debris - CORRECT ANSWER >>>Main funtion of microvilli of simple
epithelial cells
Increase surface area for absorption - CORRECT ANSWER >>>Main function of cilia of simple
epithelial cells
Areas exposed to friction/abrasion - CORRECT ANSWER >>>Where are stratified epithelia cells
found?
2|Page
, The type of cell at the free surface - CORRECT ANSWER >>>When a stratified epithelium has
more than one type of cell ___________ determines the classification of the tissue.
Glandular - CORRECT ANSWER >>>____________ epithelia IS vascularized.
Any gland within the body - CORRECT ANSWER >>>Glandular epithelial cells make up
________.
Nourishment (exposure to vascular structures) - CORRECT ANSWER >>>What determines an
epithelial cell's ability to regenerate?
Single layer of flat cells
Sparse cytoplasm
Central, disk-shaped nucleus - CORRECT ANSWER >>>Physical description of simple squamous
epithelium
Allow for diffusion
Filtration
Secrete lube in serosae - CORRECT ANSWER >>>Function of simple squamous epithelium
Kidney glomeruli
Air sack of lungs
Blood and lymphatic vessels
Lining of ventral body cavity (serosae) - CORRECT ANSWER >>>Location of simple squamous
epithelium
3|Page
