ehd123

What is lung compliance? How is it that surfactants increase lung complianc

What is lung compliance? How is it that surfactants increase lung complianc

 
What is lung compliance? How is it that surfactants increase lung compliance? 

colleen   9707   2 Replies

star

A capacitor can store more change when it has a

A capacitor can store more change when it has a

 
A capacitor can store more change when it has a   
A)
 
large surface area and thick insulating layer.   
B)
 
small surface area and thin insulating layer.   
C)
 
large sur

Jermain_   426   2 Replies

Jermain_

A cell will most likely hyperpolarize when __________ enters it.

A cell will most likely hyperpolarize when __________ enters it.

 
A cell will most likely hyperpolarize when __________ enters it.   
A)
 
Cl-   
B)
 
Na+   
C)
 
Ca2+   
D)
 
both B and C   

Jermain_   816   2 Replies

Jermain_

A chemical is termed a neurohormone when it is

A chemical is termed a neurohormone when it is

 
A chemical is termed a neurohormone when it is   
A)
 
released by a neuron, but travels in the blood like a hormone.   
B)
 
released by an endocrine gland, but binds to receptors on a neuron.&n

Jermain_   720   2 Replies

Jermain_

A Davenport diagram describes the relationship between all of the following f

A Davenport diagram describes the relationship between all of the following f

 
A Davenport diagram describes the relationship between all of the following factors, EXCEPT   
A)
 
CO2 concentration.   
B)
 
proton concentration.   
C)
 
bicarbonate conce

Jermain_   268   2 Replies

Jermain_

A lamprey is capable of

A lamprey is capable of

 
A lamprey is capable of   
A)
 
tidal ventilation.   
B)
 
unidirectional ventilation.   
C)
 
both A and B 
D)
 
neither A nor B 

Jermain_   579   2 Replies

Jermain_

A member of the TGF-ß family of cytokines, __________ is a peptide hormone se

A member of the TGF-ß family of cytokines, __________ is a peptide hormone se

 
A member of the TGF-ß family of cytokines, __________ is a peptide hormone secreted by the mature follicle.   
A)
 
CG   
B)
 
estrin   
C)
 
inhibin 
D)
 

Jermain_   299   2 Replies

Jermain_

A membrane's length constant will be greatest when

A membrane's length constant will be greatest when

 
A membrane's length constant will be greatest when   
A)
 
Rm is low.   
B)
 
Ri is low.   
C)
 
Rm is high.   
D)
 
both B and C   

Jermain_   267   2 Replies

Jermain_

A motor neuron is an example of a type of

A motor neuron is an example of a type of

 
A motor neuron is an example of a type of   
A)
 
afferent neuron.   
B)
 
efferent neuron.   
C)
 
interneuron.   
D)
 
sensory neuron.   

Jermain_   355   2 Replies

Jermain_

A receptor that binds to a ligand at very low concentrations has a

A receptor that binds to a ligand at very low concentrations has a

 
A receptor that binds to a ligand at very low concentrations has a   
A)
 
high dissociation constant.   
B)
 
low Ka.   
C)
 
high affinity for the ligand.   
D)

Jermain_   936   2 Replies

Jermain_

A respiratory physiologist is an example of a/an

A respiratory physiologist is an example of a/an

 
A respiratory physiologist is an example of a/an   
A)
 
cell and molecular physiologist.   
B)
 
systems physiologist.   
C)
 
organismal physiologist.   
D)

Jermain_   387   2 Replies

Jermain_

A sensory illusion called paradoxical cold happens when a point heat stimulus

A sensory illusion called paradoxical cold happens when a point heat stimulus

 
A sensory illusion called paradoxical cold happens when a point heat stimulus is applied to a cold patch of skin, and is perceived as cold, not hot. This illusion happens due to   
A)
 
labeled-line pathways.   

Jermain_   410   2 Replies

Jermain_

A single skeletal muscle cell is referred to as a

A single skeletal muscle cell is referred to as a

 
A single skeletal muscle cell is referred to as a   
A)
 
cardiomyocyte.   
B)
 
sarcomyocyte.   
C)
 
myofibril.   
D)
 
myofiber.   

Jermain_   678   2 Replies

Jermain_

A thin piece of dome-shaped cuticle was found near one of the joints in a cri

A thin piece of dome-shaped cuticle was found near one of the joints in a cri

 
A thin piece of dome-shaped cuticle was found near one of the joints in a cricket leg. When it was removed, the animal could no longer make coordinated movements, but it could still respond to the rapid approach of a predator. This struc

Jermain_   520   2 Replies

Jermain_

A two-way gut system (i.e., gastrovascular cavity) is a characteristic of

A two-way gut system (i.e., gastrovascular cavity) is a characteristic of

 
A two-way gut system (i.e., gastrovascular cavity) is a characteristic of   
A)
 
platyhelminths.   
B)
 
annelids.   
C)
 
arthropods.   
D)
 
molluscs.

Jermain_   434   2 Replies

Jermain_

A vertebrate can store oxygen in a variety of places EXCEPT

A vertebrate can store oxygen in a variety of places EXCEPT

 
A vertebrate can store oxygen in a variety of places EXCEPT   
A)
 
blood.   
B)
 
muscle.   
C)
 
lungs.   
D)
 
hemocoel.   

Jermain_   319   2 Replies

Jermain_

A voltage-gated K+ channel that is also a delayed rectifier will

A voltage-gated K+ channel that is also a delayed rectifier will

 
A voltage-gated K+ channel that is also a delayed rectifier will   
A)
 
open very quickly in response to changes in membrane potential.   
B)
 
make it very difficult to start an action po

Jermain_   440   2 Replies

Jermain_

A __________ heterotherm can retain heat in certain parts of its body.

A __________ heterotherm can retain heat in certain parts of its body.

 
A __________ heterotherm can retain heat in certain parts of its body.   
A)
 
temporal   
B)
 
spatial   
C)
 
positional   
D)
 
regional   

Jermain_   387   2 Replies

Jermain_

A __________ is an example of a temporal heterotherm.

A __________ is an example of a temporal heterotherm.

 
A __________ is an example of a temporal heterotherm.   
A)
 
python   
B)
 
swordfish   
C)
 
hummingbird   
D)
 
laminid shark   

Jermain_   501   2 Replies

Jermain_

A(n) __________ cannot tolerate a wide ambient temperature range.

A(n) __________ cannot tolerate a wide ambient temperature range.

 
A(n) __________ cannot tolerate a wide ambient temperature range. 
A)
 
ectotherm   
B)
 
poikilotherm   
C)
 
eurytherm   
D)
 
stenotherm   

Jermain_   353   2 Replies

Jermain_

A/an __________ physiologist studies how an individual organism alters its ph

A/an __________ physiologist studies how an individual organism alters its ph

 
A/an __________ physiologist studies how an individual organism alters its physiology in response to environmental challenges.   
A)
 
developmental   
B)
 
evolutionary   
C)
 

Jermain_   315   2 Replies

Jermain_

Acclimatization is a term referring to

Acclimatization is a term referring to

 
Acclimatization is a term referring to   
A)
 
irreversible changes in phenotype due to natural environmental variation.   
B)
 
irreversible changes in phenotype due to controlled environmental

Jermain_   369   2 Replies

Jermain_

According to Bergmann's and Allen's rules, brown bears living in temperate re

According to Bergmann's and Allen's rules, brown bears living in temperate re

 
According to Bergmann's and Allen's rules, brown bears living in temperate regions would be __________ than those living in the arctic.   
A)
 
larger with shorter limbs   
B)
 
smaller

Jermain_   354   2 Replies

Jermain_

Actin and myosin work together to allow

Actin and myosin work together to allow

 
Actin and myosin work together to allow   
A)
 
movement of vesicles throughout the cell.   
B)
 
movement of muscle.   
C)
 
movement of the cell itself.   
D)

Jermain_   344   2 Replies

Jermain_

Action potentials are able to travel over long distances without decaying bec

Action potentials are able to travel over long distances without decaying bec

 
Action potentials are able to travel over long distances without decaying because   
A)
 
the axons are perfectly insulated, so no current is able to leak out.   
B)
 
the action potential

Jermain_   1137   2 Replies

Jermain_

Action potentials can be conducted into the muscle along invaginations of the

Action potentials can be conducted into the muscle along invaginations of the

 
Action potentials can be conducted into the muscle along invaginations of the sarcolemma, or __________.   
A)
 
sarcoplasmic reticulum   
B)
 
T-tubules   
C)
 
terminal cis

Jermain_   718   2 Replies

Jermain_

Adaptation can change the genetic composition of a population because

Adaptation can change the genetic composition of a population because

 
Adaptation can change the genetic composition of a population because   
A)
 
environmental stressors favor survival of certain genotypes.   
B)
 
individuals possessing favorable genes tend to p

Jermain_   302   2 Replies

Jermain_

Adipose tissue acts as an endocrine tissue, playing roles related to

Adipose tissue acts as an endocrine tissue, playing roles related to

 
Adipose tissue acts as an endocrine tissue, playing roles related to   
A)
 
inflammation.   
B)
 
blood clotting and blood pressure.   
C)
 
dietary status.   
D)

Jermain_   585   2 Replies

Jermain_

Advantages of populations of receptors, as opposed to individual receptors, i

Advantages of populations of receptors, as opposed to individual receptors, i

 
Advantages of populations of receptors, as opposed to individual receptors, include   
A)
 
improved sensory discrimination.   
B)
 
improved stimulus intensity.   
C)
 
impr

Jermain_   452   2 Replies

Jermain_

After ovulation, the remnant of the ruptured follicle develops into the

After ovulation, the remnant of the ruptured follicle develops into the

 
After ovulation, the remnant of the ruptured follicle develops into the   
A)
 
corpus allatum.   
B)
 
corpus luteum.   
C)
 
Graafian follicle.   
D)
 

Jermain_   470   2 Replies

Jermain_

Air enters the tracheae of insects through the

Air enters the tracheae of insects through the

 
Air enters the tracheae of insects through the   
A)
 
spiracles.   
B)
 
ostia.   
C)
 
madreporite.   
D)
 
buccal cavity.   

Jermain_   263   2 Replies

Jermain_

Aldosterone regulates balance of (Multiple Choice)

Aldosterone regulates balance of (Multiple Choice)

 
Aldosterone regulates balance of   
A)
 
calcium and chloride.   
B)
 
magnesium and sodium.   
C)
 
sodium and potassium.   
D)
 
phosphates and calcium

Jermain_   306   2 Replies

Jermain_

Aldosterone stimulates Na+ absorption and K+ excretion in the kidney. This ha

Aldosterone stimulates Na+ absorption and K+ excretion in the kidney. This ha

 
Aldosterone stimulates Na+ absorption and K+ excretion in the kidney. This happens because   
A)
 
the cell transcribes and translates more ion transporters to be inserted in the membrane.   
B)
 

Jermain_   369   2 Replies

Jermain_

All animals require water, and it may be provided in many forms. Which of the

All animals require water, and it may be provided in many forms. Which of the

 
All animals require water, and it may be provided in many forms. Which of the following is NEVER a source of water for an animal?   
A)
 
seawater   
B)
 
dietary water   
C)
 

Jermain_   525   2 Replies

Jermain_

All but which one of the following compounds is an invertebrate phosphogen?

All but which one of the following compounds is an invertebrate phosphogen?

 
All but which one of the following compounds is an invertebrate phosphogen?   
A)
 
phosphoarginine   
B)
 
phosphocreatine   
C)
 
phosphoglycocyamine   
D)

Jermain_   480   3 Replies

george.shepard

All sensory systems work in the same general way. They transduce an incoming

All sensory systems work in the same general way. They transduce an incoming

 
All sensory systems work in the same general way. They transduce an incoming stimulus into changes in membrane   
A)
 
potential.   
B)
 
capacitance.   
C)
 
refractory peri

Jermain_   457   1 Reply

Kekai

All the choices below are examples of glial cells, but which one is NOT assoc

All the choices below are examples of glial cells, but which one is NOT assoc

 
All the choices below are examples of glial cells, but which one is NOT associated with the central nervous system?   
A)
 
microglia   
B)
 
astrocytes   
C)
 
schwann cells

Jermain_   353   2 Replies

Jermain_

Although derived from three germ layers, the __________ lack coeloms.

Although derived from three germ layers, the __________ lack coeloms.

 
Although derived from three germ layers, the __________ lack coeloms.   
A)
 
cnidarians   
B)
 
platyhelminths   
C)
 
rotifers   
D)
 
nematodes 

Jermain_   283   2 Replies

Jermain_

Ammonia is the end product of __________ catabolism.

Ammonia is the end product of __________ catabolism.

 
Ammonia is the end product of __________ catabolism.   
A)
 
protein   
B)
 
carbohydrate   
C)
 
lipid   
D)
 
nitrogen   

Jermain_   479   2 Replies

Jermain_

Among animals in the following list, the phenomenon of drag has the most pron

Among animals in the following list, the phenomenon of drag has the most pron

 
Among animals in the following list, the phenomenon of drag has the most pronounced effect on the locomotion of a   
A)
 
kangaroo.   
B)
 
bat.   
C)
 
sparrow.   

Jermain_   530   2 Replies

Jermain_