Which are common clinical finding(s) in older adults with chronic respiratory conditions? (Select all that apply)
Prolonged expiratory phase
Tripod positioning for breathing
Decreased tactile fremitus
Hyperresonance on percussion
Increased breath sounds intensity
Correct Answer : A,B,C,D
Choice A reason: A prolonged expiratory phase is a hallmark of obstructive lung diseases like COPD, common in older adults. Airway narrowing and loss of elastic recoil mean that air takes significantly longer to be expelled from the lungs, often requiring a ratio of inspiration to expiration of 1:3 or 1:4.
Choice B reason: Tripod positioning involves leaning forward with hands on knees to stabilize the scapulae. This mechanical advantage allows the accessory muscles of the neck and chest to assist more effectively in lung expansion, which is necessary when primary respiratory muscles are weakened by chronic disease or hyperinflation.
Choice C reason: Tactile fremitus is the palpable vibration transmitted through the bronchopulmonary system. In chronic conditions like emphysema, the presence of trapped air or "hyperinflation" acts as a barrier to sound transmission, resulting in a significant decrease in the intensity of vibrations felt during vocalization by the patient.
Choice D reason: Hyperresonance is a low-pitched, booming sound elicited during percussion over lung tissue that contains an excessive amount of air. This is typical in geriatric patients with chronic respiratory conditions where alveolar walls have been destroyed, leading to permanent air trapping and increased lung volume within the thorax.
Choice E reason: Breath sound intensity typically decreases, not increases, in older adults with chronic respiratory conditions. Factors such as a thickened chest wall, decreased airflow, and hyperinflated lung tissue attenuate the transmission of sound to the stethoscope, leading to distant or diminished vesicular breath sounds on auscultation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Checking for a diaper rash requires undressing the infant and manipulating their limbs, which is highly likely to wake them. In pediatric assessment, intrusive or potentially uncomfortable procedures should always be delayed until the end of the examination to maintain the infant's cooperation and physiological baseline.
Choice B reason: Measuring length involves stretching the infant out on a measuring board, which is a stimulating and often upsetting procedure for a baby. Performing this first would cause the infant to cry, making it impossible to accurately assess heart and lung sounds due to the resulting respiratory and vocal noise.
Choice C reason: The nurse should always perform the least invasive and quietest assessments first while an infant is sleeping. Auscultating the heart, lungs, and abdomen while the child is still allows the nurse to hear clear sounds without the interference of crying, movement, or increased heart and respiratory rates.
Choice D reason: Assessing muscle tone involves manipulating the infant's extremities to check for resistance and recoil. This physical contact is stimulating and will likely disturb the infant's sleep. Like measuring and diaper checks, this should be deferred until the nurse has completed the "quiet" portions of the physical assessment.
Correct Answer is A
Explanation
Choice A reason: Scoliosis is clinically defined as a lateral, or sideways, curvature of the spine, often forming an "S" or "C" shape. In adolescents, this is frequently idiopathic and is detected during a physical exam by observing uneven shoulders, asymmetrical hip height, or a visible spinal curve.
Choice B reason: When the anteroposterior diameter equals the transverse diameter, it is described as a barrel chest. This is typically a sign of chronic obstructive pulmonary disease (COPD) or air trapping, not a spinal deformity like scoliosis, and is unusual in an adolescent population.
Choice C reason: A marked depression of the sternum is known as pectus excavatum, or funnel chest. This is a congenital structural deformity of the anterior chest wall and ribs, but it does not involve the lateral curvature of the vertebral column that characterizes a diagnosis of scoliosis.
Choice D reason: Forward protrusion of the sternum and ribs is called pectus carinatum, or pigeon chest. Like pectus excavatum, this is a chest wall deformity. While it may occasionally coexist with other skeletal issues, it is not the defining characteristic of a scoliosis assessment.
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