The nurse recognizes that the following statement is true regarding the internal structures of the breast: The breast is made up of:
Glandular tissue, which supports the breast by attaching to the chest wall.
Fibrous, glandular, and adipose tissues
Primarily muscle with very little fibrous tissue.
Primarily milk ducts, known as lactiferous ducts.
The Correct Answer is B
A. Glandular tissue, which supports the breast by attaching to the chest wall: Glandular tissue is indeed a part of the breast structure, but it is not responsible for supporting the breast by attaching to the chest wall. It's the Cooper's ligaments, which are fibrous connective tissue, that provide structural support.
B. Fibrous, glandular, and adipose tissues: This statement is correct. The breast is composed of glandular tissue (responsible for milk production), fibrous tissue (including Cooper's ligaments for support), and adipose tissue (fat).
C. Primarily muscle with very little fibrous tissue: The breast contains very little muscle tissue. The main supportive structure is fibrous tissue, not muscle.
D. Primarily milk ducts, known as lactiferous ducts: Milk ducts are part of the glandular tissue and are responsible for carrying milk. However, the breast is not primarily made up of milk ducts; it consists of a combination of glandular, fibrous, and adipose tissues.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Atelectatic crackles that do not have a pathologic cause:
Atelectatic crackles are short, popping, crackling sounds heard during auscultation. They occur in individuals who are in a supine position and disappear after a few breaths. These crackles are not indicative of any pathological condition; they are common when the lungs are not fully aerated, especially when a person is lying down.
B. Vesicular breath sounds:
Vesicular breath sounds are normal lung sounds heard over the peripheral lung areas. They are soft, low-pitched, and continuous throughout inspiration and part of expiration. Vesicular breath sounds are the typical sounds heard during routine breathing and are not associated with crackling or popping noises.
C. Fine wheezes:
Wheezes are high-pitched whistling sounds heard during expiration. They occur due to narrowed airways and are commonly associated with conditions like asthma or bronchoconstriction. Fine wheezes suggest a partial obstruction in the smaller airways, causing turbulent airflow, leading to the characteristic sound.
D. Fine crackles and may be a sign of pneumonia:
Fine crackles are high-pitched, discontinuous, crackling sounds heard during inspiration. They can occur due to the sudden opening of small airways, and their presence may indicate fluid in the lungs or lung inflammation. Fine crackles are often associated with conditions such as pneumonia, heart failure, or interstitial lung diseases.
Correct Answer is A
Explanation
A. Indicates turbulent blood flow through a valve:
This statement is correct. A heart murmur is an abnormal sound during the heartbeat cycle, often indicating turbulent blood flow through a valve. Murmurs can result from various factors such as valve disorders, structural abnormalities, or other heart conditions.
B. Is an extra sound due to blood entering an inflexible chamber:
This statement is not accurate. Heart murmurs are primarily associated with turbulent blood flow rather than an extra sound related to an inflexible chamber.
C. Means that there is some inflammation around the heart:
This statement is incorrect. Heart murmurs are not specifically related to inflammation around the heart. They are primarily caused by issues with blood flow through the heart valves.
D. Is a high-pitched sound due to a narrow valve:
This statement is a bit oversimplified. While murmurs can sometimes be associated with narrow valves (stenosis), they can also result from various other valve abnormalities or conditions, and not all murmurs are high-pitched. The pitch and characteristics of a murmur can provide clues about its cause, but they are not the sole indicators.
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