Expiration (breathing out) is how the body removes excessive carbon dioxide from the blood. This is an example of __________.
maintaining boundaries
excretion of metabolic waste
responsiveness
metabolism
The Correct Answer is B
A. Maintaining boundaries: Maintaining boundaries refers to the separation between internal and external environments, such as the plasma membrane or skin, and is not directly related to removing carbon dioxide.
B. Excretion of metabolic waste: Expiration removes carbon dioxide, a byproduct of cellular respiration, from the body. This is a primary example of excreting metabolic waste to maintain proper internal chemical balance.
C. Responsiveness: Responsiveness is the ability of the body to detect and react to changes in the environment, such as moving away from a stimulus, which does not involve carbon dioxide removal.
D. Metabolism: Metabolism encompasses all chemical reactions in the body, including producing carbon dioxide as a byproduct. However, the act of exhaling carbon dioxide specifically exemplifies waste excretion, not metabolism itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Urinary system: The urinary system, including the kidneys, ureters, bladder, and urethra, filters blood to remove metabolic waste, regulates fluid volume, controls electrolyte levels, and maintains acid-base balance. It also influences blood pressure through the renin-angiotensin-aldosterone system.
B. Cardiovascular: The cardiovascular system transports blood, nutrients, gases, and waste products throughout the body, but it does not directly eliminate waste or regulate electrolytes and acid-base balance.
C. Digestive system: The digestive system breaks down food, absorbs nutrients, and eliminates solid waste, but it does not play a primary role in regulating blood pressure or electrolyte balance.
D. Immune system: The immune system defends the body against pathogens and foreign substances but does not manage waste elimination, electrolyte balance, or blood pressure.
Correct Answer is D
Explanation
A. Kinetic: Kinetic energy is the energy of motion, such as moving muscles or flowing blood, and is not stored energy.
B. Effective: “Effective energy” is not a standard classification in physics or biology; it does not specifically describe stored energy.
C. Energy: Energy is a general term and does not differentiate between stored and active forms.
D. Potential: Potential energy is stored energy that has the capacity to do work in the future, such as chemical energy in bonds, a stretched spring, or gravitational energy in elevated objects.
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