BIOL 235 Midterm Exam 2 With Complete
Solution(100% Verified) 185 Questions with 100%
Correct Answers.
The cis-retinal can bind to opsin reforming a functional photopigmetn. This part of
the cycle is called ________________ - answer - regeneration
The ligand _______________ holds ligand-gated Na+ channels open so in
darkness, sodium ions can flow into photoreceptor outer segments - answer -
cyclic guanosine monophosphate ( cyclic GMP) (cGMP)
The optic (II) nerve passes through the ____________________ - answer - optic
chaism
flap of elastic cartilage shaped like the end of a trumpet - answer - auricle or
pinna
Malleus = ____________
Incus = ____________
Stapes =_____________ - answer - hammer, anvil, stirrup
the base or footplate of the stapes fits into the ____________________ - answer
- oval widnow
,the _________________ is divided into 3 areas : the semicircular canals,
vestibule, an dcochlea - answer - bony labryinth
The _________________ is the oval central portion of the bony labryinth - answer
- vestibule
At the end of each semicircular canal is a swollen enlargement called
the_____________ - answer - ampulla
The only ting that connects the scala vestibuli and the scala tympani is the
___________ - answer - helictrema
The _______________ separates the cochlear duct from the scala vestibuli -
answer - vestibular membrane
The ________________ separates the cochlear duct from the scala tympani -
answer - basilar membrane
_________________ is the maintenance of the position of the body relative to
the force of gravity - answer - static equilibrium
_________________ is the maintenance of body position in response to sudden
movements such as rotational acceleration or deceleration - answer - dynamic
equilibrium
, This si the thickened regions of utricle and saccule wall that act as receptors for
static equilibirum - answer - macula
These glands secrete their products into ducts than carry the secretions into body
cavities, into the lumen of an organ, or to the outer surface of the body
ex: sudoriferous, sebaceous, mucous, and digestive glands - answer - exocrine
glands
These glands secrete their products (hormones) into the interstitial fluid
surrounding the secretory cells rather than into ducts - answer - endocrine glands
Local hormones that act on neighboring cells are called _____________ - answer -
paracrines
What lipid-soluble hormone does this describe ?
-derived from cholesterol
- four rings at core
- large diversity of functions - answer - steroid hormones
What lipid-soluble hormone does this describe ?
- presence of two benzene rings within a T3 or T4 molecule makes the VERY lipid-
soluble - answer - thyroid hormones
Solution(100% Verified) 185 Questions with 100%
Correct Answers.
The cis-retinal can bind to opsin reforming a functional photopigmetn. This part of
the cycle is called ________________ - answer - regeneration
The ligand _______________ holds ligand-gated Na+ channels open so in
darkness, sodium ions can flow into photoreceptor outer segments - answer -
cyclic guanosine monophosphate ( cyclic GMP) (cGMP)
The optic (II) nerve passes through the ____________________ - answer - optic
chaism
flap of elastic cartilage shaped like the end of a trumpet - answer - auricle or
pinna
Malleus = ____________
Incus = ____________
Stapes =_____________ - answer - hammer, anvil, stirrup
the base or footplate of the stapes fits into the ____________________ - answer
- oval widnow
,the _________________ is divided into 3 areas : the semicircular canals,
vestibule, an dcochlea - answer - bony labryinth
The _________________ is the oval central portion of the bony labryinth - answer
- vestibule
At the end of each semicircular canal is a swollen enlargement called
the_____________ - answer - ampulla
The only ting that connects the scala vestibuli and the scala tympani is the
___________ - answer - helictrema
The _______________ separates the cochlear duct from the scala vestibuli -
answer - vestibular membrane
The ________________ separates the cochlear duct from the scala tympani -
answer - basilar membrane
_________________ is the maintenance of the position of the body relative to
the force of gravity - answer - static equilibrium
_________________ is the maintenance of body position in response to sudden
movements such as rotational acceleration or deceleration - answer - dynamic
equilibrium
, This si the thickened regions of utricle and saccule wall that act as receptors for
static equilibirum - answer - macula
These glands secrete their products into ducts than carry the secretions into body
cavities, into the lumen of an organ, or to the outer surface of the body
ex: sudoriferous, sebaceous, mucous, and digestive glands - answer - exocrine
glands
These glands secrete their products (hormones) into the interstitial fluid
surrounding the secretory cells rather than into ducts - answer - endocrine glands
Local hormones that act on neighboring cells are called _____________ - answer -
paracrines
What lipid-soluble hormone does this describe ?
-derived from cholesterol
- four rings at core
- large diversity of functions - answer - steroid hormones
What lipid-soluble hormone does this describe ?
- presence of two benzene rings within a T3 or T4 molecule makes the VERY lipid-
soluble - answer - thyroid hormones
