During an assessment, the nurse knows that expected assessment findings in the normal adult lung include the presence of:

Increased tactile fremitus and dull percussion tones.

Muffled voice sounds and symmetric tactile fremitus.

Adventitious sounds and limited chest expansion.

Absent voice sounds and hyper resonant percussion tones.

Answer and Explanation

The Correct Answer is B

A.   Increased tactile fremitus and dull percussion tones would suggest consolidation or pathology, which is not normal.
B.   Muffled voice sounds and symmetric tactile fremitus are normal findings in healthy lung tissue.
C.   Adventitious sounds and limited chest expansion would indicate pathology such as pneumonia or other lung diseases.
D.   Absent voice sounds and hyper resonant percussion tones would be indicative of a pneumothorax or emphysema, not normal lung findings.

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Correct Answer is B

Explanation

A. Trapezius: The trapezius is a muscle of the upper back and neck and does not play a primary role in normal respiration.
B. Diaphragm: The diaphragm is the most important muscle for respiration. It contracts and moves downward during inhalation, increasing the thoracic cavity's volume and drawing air into the lungs.
C. Rectus abdominus: The rectus abdominus is a core muscle that helps in forced expiration but is not essential in normal breathing.
D. Sternocleidomastoid: This muscle assists with forced inspiration, but it is not the primary muscle for regular breathing.

A. Increasing capillary fragility B. increased sebaceous and sweat glands. C. Decreased collagen. D. Lose elasticity

Correct Answer is C

Explanation

A. Increasing capillary fragility contributes to bruising and bleeding but does not directly cause skin folding or sagging.
B. Increased sebaceous and sweat glands may affect skin texture but are not the primary cause of sagging skin.
C. Decreased collagen is the primary reason for skin sagging in aging, as collagen provides structure and elasticity to the skin. With age, collagen production decreases, leading to wrinkles and sagging.
D. Loss of elasticity is a consequence of reduced collagen and elastin fibers, contributing to skin changes, but decreased collagen is the main cause of the sagging.

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During an assessment, the nurse knows that expected assessment findings in the normal adult lung include the presence of:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which of the following is the most important muscle in the normal respiratory process of an adult?

Correct Answer is B

Explanation

The RN is explaining to an elderly client why the skin folds and sags as part of the normal aging process. What is the correct mechanism for this?

Correct Answer is C

Explanation

What component of the conduction system is referred to as the pacemaker of the heart?

During an admission assessment, the nurse notices that a male patient has an enlarged and rather thick skull. The nurse suspects acromegaly. What additional finding would the nurse assess for to confirm this suspicion?

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