HONDROS BIO 117 EXAM 2 QUESTIONS WITH
ACCURATE ANSWERS
Are cranial nerves apart of the Central Nervous System? correct answer No
Are spinal nerves apart of the Central Nervous System? correct answer No
As I am trying to see something far away, what would happen to the shape of my
lens? What muscle is acting in the lens? correct answer It becomes thinner
ciliary muscle
Bone-building cell correct answer osteoblast
Bone-eroding cell that helps in bone marrow remodeling correct answer
osteoclast
Cancellous bone correct answer spongy bone
Depression of the red bone marrow correct answer causes a life-threatening
decline in red blood cells
Describe what Electrical-Chemical-Electrical means: correct answer Electrical
signal is when sodium rushes into the cell to depolarize. This depolarization
travels down the axon to the terminal to trigger the chemical. The chemical is the
neurotransmitter released from the axon of one neuron to the dendrite of
another neuron. Then we have electrical signaling again.
, Enlarged end of a long bone correct answer epiphysis
Hollow center of a long bone correct answer medullary cavity
I am trying to locate my IPhone in the dark, what photoreceptors am I using?
Where are these located? correct answer Rods, retina
If a muscle is a synergist to another muscle, what does this mean? correct answer
Its action is the same as the muscle
If a muscle is an antagonist to another muscle, what does this mean? correct
answer Its action is opposite to the muscle
If I see something out of the corner of my eye and I move my eyes to the left,
what muscles am I using? Which neurotransmitter? correct answer Extrinsic eye
muscle
Acetylcholine
If I told you my pupils were dilating, which muscle am I using? correct answer Iris
(smooth muscle)
If I were to tell you that a bear was about to rip your head off, what would
happen to your digestion? correct answer Inhibit
If I were to tell you that a bear was about to rip your head off, what would
happen to your heart rate? correct answer Increase
ACCURATE ANSWERS
Are cranial nerves apart of the Central Nervous System? correct answer No
Are spinal nerves apart of the Central Nervous System? correct answer No
As I am trying to see something far away, what would happen to the shape of my
lens? What muscle is acting in the lens? correct answer It becomes thinner
ciliary muscle
Bone-building cell correct answer osteoblast
Bone-eroding cell that helps in bone marrow remodeling correct answer
osteoclast
Cancellous bone correct answer spongy bone
Depression of the red bone marrow correct answer causes a life-threatening
decline in red blood cells
Describe what Electrical-Chemical-Electrical means: correct answer Electrical
signal is when sodium rushes into the cell to depolarize. This depolarization
travels down the axon to the terminal to trigger the chemical. The chemical is the
neurotransmitter released from the axon of one neuron to the dendrite of
another neuron. Then we have electrical signaling again.
, Enlarged end of a long bone correct answer epiphysis
Hollow center of a long bone correct answer medullary cavity
I am trying to locate my IPhone in the dark, what photoreceptors am I using?
Where are these located? correct answer Rods, retina
If a muscle is a synergist to another muscle, what does this mean? correct answer
Its action is the same as the muscle
If a muscle is an antagonist to another muscle, what does this mean? correct
answer Its action is opposite to the muscle
If I see something out of the corner of my eye and I move my eyes to the left,
what muscles am I using? Which neurotransmitter? correct answer Extrinsic eye
muscle
Acetylcholine
If I told you my pupils were dilating, which muscle am I using? correct answer Iris
(smooth muscle)
If I were to tell you that a bear was about to rip your head off, what would
happen to your digestion? correct answer Inhibit
If I were to tell you that a bear was about to rip your head off, what would
happen to your heart rate? correct answer Increase
