The ability to respond to a stimulus is an example of
order of complexity
sensitivity
evolution
homeostasis
The Correct Answer is B
A. Order of complexity: Order of complexity refers to the organized structure of living systems, from molecules to cells to organisms. While organization is important, it does not directly describe the ability to respond to a stimulus.
B. Sensitivity: Sensitivity is the capacity of an organism to detect and respond to changes or stimuli in its environment. This characteristic allows living beings to adapt behaviorally or physiologically, ensuring survival and interaction with their surroundings.
C. Evolution: Evolution involves gradual genetic changes in populations over generations. It explains long-term adaptation but does not account for an immediate response to a stimulus by an individual organism.
D. Homeostasis: Homeostasis is the maintenance of internal stability, such as temperature or pH, despite external changes. While it can involve responses, it specifically refers to regulation rather than reacting to a particular stimulus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Rinse your eyes with water for at least 15 minutes and seek medical advice: Immediate flushing of the eyes with copious amounts of water helps remove microbial contaminants and reduce risk of infection. Seeking medical evaluation ensures further care if necessary.
B. Nothing. The cultures in this course are harmless: Assuming cultures are harmless is unsafe, as even nonpathogenic organisms can cause opportunistic infections, especially if they contact mucous membranes like the eyes.
C. Wipe my eyes with a damp paper towel: Wiping is inadequate for decontamination and may worsen the situation by spreading microorganisms across the eye surface.
D. Wash my face with soap and water: Washing the face does not adequately address exposure in the eyes. The correct action is prolonged eye irrigation to remove microbes effectively.
Correct Answer is C
Explanation
A. An enzyme speeds up a chemical reaction in living organisms: Enzymes function as catalysts by lowering the activation energy needed for reactions, allowing biological processes to occur more quickly and efficiently.
B. An enzyme is a biological catalyst: Enzymes are proteins that serve as catalysts in living systems, regulating the speed of biochemical reactions without being permanently altered.
C. An enzyme reacts with the reactants and becomes part of the products: Enzymes do not become part of the products; they bind substrates temporarily, facilitate the reaction, and are released unchanged, allowing them to be reused multiple times.
D. An enzyme is specific to the chemical reaction it catalyzes: Enzymes have a highly specific active site that matches particular substrates, making them selective for certain reactions or molecular interactions.
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