________ tonsils are the largest, and their surgical removal (tonsillectomy) used to be one of the most common surgical procedures performed in children.
Adenoid.
Lingual.
Palatine.
Pharyngeal.
The Correct Answer is C
Choice A rationale
Adenoid tonsils, also known as pharyngeal tonsils, are located in the nasopharynx. While they can become enlarged and necessitate removal, they are not typically referred to as the "largest" and their removal is termed adenoidectomy, not tonsillectomy in general.
Choice B rationale
Lingual tonsils are located at the base of the tongue. They are much smaller than palatine tonsils and their removal is less common compared to palatine tonsillectomy. Their anatomical position differs significantly from the most commonly removed tonsils.
Choice C rationale
Palatine tonsils are situated on either side of the oropharynx, between the palatoglossal and palatopharyngeal arches. They are the largest of the tonsils and, due to their size and propensity for recurrent infections, historically were the most common tonsils removed in tonsillectomy procedures.
Choice D rationale
Pharyngeal tonsils, also known as adenoids, are located in the nasopharynx. They are distinct from the palatine tonsils and, while important lymphoid tissues, are not generally considered the largest or the primary target of a "tonsillectomy" in the historical context.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice D rationale
Hyposecretion, or inadequate hormone release, can indeed result from a combination of factors. Tumors or lesions directly destroying glandular tissue (primary hyposecretion), interference with the gland's ability to receive stimulating signals (secondary hyposecretion), or inadequate trophic hormone stimulation from a higher center all lead to insufficient hormone production.
Choice A rationale
Tumors or lesions that destroy an endocrine gland directly impair its ability to synthesize and secrete hormones, leading to primary hyposecretion. For example, damage to pancreatic islet cells can cause insufficient insulin production, leading to diabetes mellitus.
Choice B rationale
Tumors or lesions that interfere with a gland's ability to receive signals from another gland, such as the pituitary, result in secondary hyposecretion. If the adrenal cortex cannot respond to ACTH due to receptor damage, it will not produce sufficient corticosteroids.
Choice C rationale
Inadequate stimulation of the gland, such as insufficient release of a trophic hormone from the pituitary or hypothalamus, leads to insufficient hormone production. For example, if the pituitary does not release enough TSH, the thyroid gland will exhibit hyposecretion of thyroid hormones.
Correct Answer is A
Explanation
Choice A rationale
Vaccination works by introducing attenuated (weakened) or inactivated forms of pathogens, or specific pathogen components (antigens), into the body. This exposure triggers the immune system to mount a primary immune response, leading to the production of antibodies and memory cells without causing the actual disease, thus providing future protection.
Choice B rationale
Antibiotics are antimicrobial drugs that directly kill or inhibit the growth of bacteria. They are not involved in stimulating the body's immune system for long-term immunity; instead, they provide a direct therapeutic intervention against bacterial infections.
Choice C rationale
Vaccination aims to increase the body's resistance to disease, not its susceptibility. By priming the immune system with harmless forms of pathogens, vaccines enhance the body's ability to quickly and effectively combat future infections, thereby reducing susceptibility.
Choice D rationale
Vaccination does not suppress the immune system's natural response; rather, it activates and enhances it. The purpose of a vaccine is to stimulate a controlled immune response that leads to the development of immunological memory, preparing the immune system for real pathogen exposure.
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