BSC 116 Chapter 40 Exam Questions Correctly Answered.
Choose the list that correctly ranks metabolic rates per gram of body mass, from lowest to highest.
A. fish, dog, mouse
B. human, rabbit, snake
C. gazelle, lion, elephant
D. hummingbird, dog, mouse
E. human, cat, mouse, salamander - ...
Choose the list that correctly ranks metabolic rates per gram of body mass, from lowest to highest.
A. fish, dog, mouse
B. human, rabbit, snake
C. gazelle, lion, elephant
D. hummingbird, dog, mouse
E. human, cat, mouse, salamander - CORRECT ANSWER A. fish, dog, mouse
Which of the following is a correct statement about an organism and its environment?
A. The gastrovascular cavity provides the nutrient exchange surface in mammals.
B. The interstitial fluid is the exchange medium between body cells and the circulatory system in
vertebrate animals.
C. An animal is a closed system that is separate and distinct from its environment.
D. Animals isolated from their environments live longer than those exchanging matter with the
environment.
E. None of the choices is correct. - CORRECT ANSWER B. The interstitial fluid is the exchange medium
between body cells and the circulatory system in vertebrate animals.
The four major categories of tissues are _____.
A. muscle, epithelial, bone, and cartilage
B. bone, muscle, blood, and adipose
C. blood, nervous, connective, and muscle
D. nervous, epithelial, connective, and muscle
, E. simple squamous, simple cuboidal, simple columnar, and stratified squamous - CORRECT ANSWER D.
nervous, epithelial, connective, and muscle
Homeostasis is the _____.
A. exchange of materials with the surrounding environment
B. correlation of structure and function
C. maintenance of a relatively constant and optimal internal environment
D. idea that all vertebrates are built in a similar way
E. cooperation of body parts to form tissues, organs, and systems - CORRECT ANSWER C. maintenance of
a relatively constant and optimal internal environment
Negative feedback is a method of homeostatic control that _____.
A. increases the speed and rapidity of negative responses to environmental stimuli
B. ensures that conditions in an organism do not vary too much above or below their set points
C. produces a response by lowering the set point of an organism's metabolism
D. promotes decreases in metabolic rate rather than increases
E. operates independently of most signaling mechanisms - CORRECT ANSWER B. ensures that conditions
in an organism do not vary too much
In a physiological system operating with positive feedback, _____.
A. the range of acceptable values for a given parameter will be narrower than if the system were
regulated by negative feedback
B. a change in a variable will amplify rather than reverse the change
C. only an effector and control center are necessary to complete the control system
D. a stimulus will prevent a small change from becoming too large
E. a stimulus will initiate a response that returns the system to near its initial parameters - CORRECT
ANSWER B. a change in a variable will amplify rather than reverse the change
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