Biology 241 - Accelerated General Human Physiology » Summer 2021 » Lab Q1

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Question #1
Choose the correct order for a homeostasis loop.
A.   sensor, efferent pathway, integrating center, afferent pathway, effector
B.   effector, efferent pathway, integrating center, afferent pathway, sensor
C.   sensor, afferent pathway, integrating center, efferent pathway, effector
D.   afferent pathway, integrating center, efferent pathway, sensor, effector
Question #2
Which element in a homeostasis loop sends the signal from the sensor to the integrating center?
A.   integrating pathway
B.   afferent pathway
C.   motor pathway
D.   efferent pathway
Question #3
What concisely describes the main objective of homeostasis?
A.   dynamic constancy
B.   static constancy
C.   static consistency
D.   dynamic deviations
Question #4
Homeostasis maintains life by adjusting to the various stimuli the body receives. In most cases, what is the correct description of a response loop that maintains a compensated healthy state?
A.   negative feedback
B.   positive coupling
C.   positive feedback
D.   negative coupling
Question #5
Healthy compensated outcomes are always the result of negative feedback loops and positive feedback loops always lead to a diseased outcome.
A.   TRUE
B.   FALSE
Question #6
Match the response loop element description with the physiological example. response
A.   change in body muscles
B.   change in body temperature
Question #7
Match the response loop element description with the physiological example. sensor
A.   thermoregulatory center in hypothalamus
B.   thermoreceptors
Question #8
Match the response loop element description with the physiological example. integrating center
A.   thermoreceptors
B.   thermoregulatory center in hypothalamus
Question #9
Match the response loop element description with the physiological example. effector
A.   change in body temperature
B.   skeletal muscles
Question #10
What kind of a graph waveform is indicative that negative feedback in operating in a response loop?
A.   decreasing linear waveform
B.   fluctuating sinusoidal waveform
C.   increasing staircase waveform
D.   exponential waveform
Question #11
In a negative feedback response loop, the response is always to the stimulus.
A.   subtracting
B.   adding
C.   opposite
D.   similar

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