The children _________ tonsils are the largest, and their surgical removal tonsillectomy used to be one of the most common surgical procedures performed in children
pharyngeal
lingual
palatine
adenoid
nasopharyngeal
The Correct Answer is C
A. Pharyngeal: Pharyngeal tonsils, also known as adenoids, are located in the nasopharynx. They are not the largest tonsils in children, although they can become hypertrophic and cause nasal obstruction.
B. Lingual: Lingual tonsils are located at the base of the tongue and are relatively small. They rarely require surgical removal and are not the largest tonsils in children.
C. Palatine: Palatine tonsils are the largest tonsils in children, located on either side of the oropharynx. Their frequent infections or hypertrophy historically made tonsillectomy one of the most common pediatric surgical procedures.
D. Adenoid: Adenoids are another term for pharyngeal tonsils. While they can enlarge and obstruct the airway, they are not as large as the palatine tonsils in most children.
E. Nasopharyngeal: This term refers to the location of adenoids in the nasopharynx. Like adenoids, they are not the largest tonsils and are less commonly the focus of routine tonsillectomy compared to palatine tonsils.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. 5%:This percentage is far too low to represent the volume of fluid returned by the lymphatic system. Only a small portion of capillary filtrate would be recovered at this rate, which would lead to significant interstitial fluid accumulation.
B. 85%:Approximately 85% of filtered fluid is reabsorbed directly at the venous end of capillaries, while the remaining 15% enters lymphatic vessels. The lymphatic system consistently retrieves this portion to prevent edema and maintain fluid balance.
C. 25%:A recovery of 25% would greatly overestimate the lymphatic contribution compared with the actual capillary reabsorption dynamics. This value does not match known physiological distribution of fluid return pathways.
D. 50%:If lymphatics recovered half of the capillary filtrate, the role of venous reabsorption would be significantly reduced, which does not reflect actual fluid handling. This percentage does not align with established cardiovascular–lymphatic physiology.
Correct Answer is D
Explanation
A. Pulse pressure:Pulse pressure is the difference between systolic and diastolic pressures. It is calculated by subtracting the bottom number from the top number, so it is not the bottom number itself.
B. Mean arterial pressure:Mean arterial pressure (MAP) represents the average pressure in the arteries during a cardiac cycle. It is calculated using a formula that involves both systolic and diastolic pressures, not solely the bottom number.
C. Systolic pressure:Systolic pressure is the top number in a blood pressure measurement, indicating the pressure in the arteries when the ventricles contract. It is not represented by the bottom number.
D. Diastolic pressure:The bottom number in a blood pressure reading is the diastolic pressure. It reflects the arterial pressure when the heart is at rest between beats and is essential for assessing baseline vascular resistance and heart health.
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