Bio 348 Exam 1 Questions With Complete Solutions
a bone produced by intramembranoous bone formation....
Correct Answers is classified as a flat bone
Boundary organs work to maintain.... Correct Answers ECF
pH, O2 content, ion balance, bp, gases, wastes, carbs, proteins
Cells lining the digestive tube are characteristic of this tissue
category? Correct Answers epithelial
Does basement membrane have cells? Correct Answers no
cells, only proteins and fibers
-hemidesmosome connects basement membrane
-holds cells together (tight junctions) like a quilt
During endochondral bone formation.... Correct Answers the
cartilage model is replaced by bone tissue
How do burns penetrate the skin? Correct Answers 1st degree-
epidermis
2nd degree-epidermis and partial dermis
3rd degree- entire epidermis/ dermis
How does PTH respond to decreasing blood calcium? Correct
Answers activates vitamin d in the kidneys
1). increases absorption in intestines
2). increases osteoclastic activity in skeleton
3). increases reabsorption in kidneys
, How is homeostasis controlled? Correct Answers starts with a
normal condition
there is a change that threatens homeostasis
detected by receptor
sends information to control center
signals the effector
produces a response that opposes the change in condition
Is the transport of Na between blood plasma and tissue fluid
active or passive? Correct Answers passive
Is the transport of Na from the ICF to the tissue fluid active or
passive? Correct Answers active
Is the transport of Na from the intercellular fluid to intracellular
fluid active or passive? Correct Answers active
stratum basale Correct Answers single layer of epithelial cells,
simple cuboidal
-most active layer of epidermis-cell replication
-young keratinocytes
-melanocytes (secrete melanin to neighboring cells, arm-like
projections)and Merkel cells (modified sensory cells, detect light
touch)
deepest layer
Stratum corneum Correct Answers superficial layer
-30 rows dead keratinocytes
top most layer
a bone produced by intramembranoous bone formation....
Correct Answers is classified as a flat bone
Boundary organs work to maintain.... Correct Answers ECF
pH, O2 content, ion balance, bp, gases, wastes, carbs, proteins
Cells lining the digestive tube are characteristic of this tissue
category? Correct Answers epithelial
Does basement membrane have cells? Correct Answers no
cells, only proteins and fibers
-hemidesmosome connects basement membrane
-holds cells together (tight junctions) like a quilt
During endochondral bone formation.... Correct Answers the
cartilage model is replaced by bone tissue
How do burns penetrate the skin? Correct Answers 1st degree-
epidermis
2nd degree-epidermis and partial dermis
3rd degree- entire epidermis/ dermis
How does PTH respond to decreasing blood calcium? Correct
Answers activates vitamin d in the kidneys
1). increases absorption in intestines
2). increases osteoclastic activity in skeleton
3). increases reabsorption in kidneys
, How is homeostasis controlled? Correct Answers starts with a
normal condition
there is a change that threatens homeostasis
detected by receptor
sends information to control center
signals the effector
produces a response that opposes the change in condition
Is the transport of Na between blood plasma and tissue fluid
active or passive? Correct Answers passive
Is the transport of Na from the ICF to the tissue fluid active or
passive? Correct Answers active
Is the transport of Na from the intercellular fluid to intracellular
fluid active or passive? Correct Answers active
stratum basale Correct Answers single layer of epithelial cells,
simple cuboidal
-most active layer of epidermis-cell replication
-young keratinocytes
-melanocytes (secrete melanin to neighboring cells, arm-like
projections)and Merkel cells (modified sensory cells, detect light
touch)
deepest layer
Stratum corneum Correct Answers superficial layer
-30 rows dead keratinocytes
top most layer
