A group of nursing students are reviewing the components of the endocrine system. The students demonstrate understanding of the review when they identify what as the primary function of this system?
Regulation of water balance
Hormonal secretion
Cellular metabolism
Growth stimulation
The Correct Answer is B
A. Regulation of water balance: While the endocrine system influences water balance through hormones such as antidiuretic hormone (ADH) and aldosterone, this is a specific function rather than the overarching role of the system. Water balance is one of many processes regulated by endocrine signaling.
B. Hormonal secretion: The primary function of the endocrine system is the synthesis and secretion of hormones, which act as chemical messengers to regulate numerous physiologic processes, including metabolism, growth, reproduction, and homeostasis. Hormonal secretion ensures intercellular communication and systemic coordination of organ function.
C. Cellular metabolism: Hormones produced by endocrine glands, such as thyroid hormones and insulin, regulate cellular metabolism, energy production, and nutrient utilization. However, metabolism is a downstream effect of hormonal secretion rather than the system’s primary function.
D. Growth stimulation: The endocrine system influences growth and development through hormones like growth hormone, thyroid hormones, and sex steroids. Growth stimulation is one of many target outcomes of hormone action, making it a secondary function rather than the central purpose of the endocrine system.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["17"]
Explanation
Ordered Dose: 17 units
Available Concentration: 100 units/mL
Since insulin is dosed in units, the prescribed dose directly equals the number of units to administer
Units to administer = 17 units
Correct Answer is A
Explanation
A. The nurse is responsible for determining that the parents or legal guardians understand what they are signing by asking them pertinent questions: Nurses play a key role in verifying comprehension of the procedure, clarifying information, and ensuring that the consent is informed. They do not provide detailed explanations of the procedure but ensure understanding.
B. The physician is responsible for serving as a witness to the signature process: The physician’s primary role is to provide the information about the procedure, risks, benefits, and alternatives, not to act as a witness. Witnessing is typically the nurse’s responsibility if required.
C. The physician is responsible for ensuring that the consent form is completed with signatures from the parents or legal guardians: Physicians ensure informed consent is obtained but do not necessarily verify the actual signatures; this is part of the documentation and nursing verification process.
D. The nurse is responsible for informing the child and family about the procedure and obtaining consent: Nurses reinforce understanding but do not independently provide detailed explanations or obtain legal consent; this remains the physician’s responsibility.
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