A client with end stage emphysema is experiencing poor gas exchange. Which respiratory structure is associated with the pathophysiological processes in emphysema?

Bronchioles.

Trachea.

Bronchi.

Alveoli.

Answer and Explanation

The Correct Answer is D

A) Bronchioles:

Bronchioles are small airways in the lungs that lack cartilage and are primarily responsible for conducting air to the alveoli. While changes in bronchioles, such as bronchoconstriction or bronchiolitis, can contribute to airflow limitation in conditions like asthma or chronic bronchitis, they are not primarily associated with the pathophysiological processes of emphysema.

B) Trachea:

The trachea, or windpipe, is the large airway that connects the larynx to the bronchi. It serves as a conduit for air movement into and out of the lungs but is not directly involved in gas exchange. Changes in the trachea are not typically associated with the pathophysiological processes of emphysema.

C) Bronchi:

Bronchi are larger airways in the lungs that branch off from the trachea and further divide into bronchioles. While chronic bronchitis, a common comorbidity of emphysema in chronic obstructive pulmonary disease (COPD), primarily affects the bronchi, it is not the primary structure associated with the pathophysiological processes of emphysema.

D) Alveoli:

Correct. Emphysema is a type of COPD characterized by the destruction of alveolar walls, leading to enlarged airspaces and loss of lung elasticity. This structural damage results in decreased surface area for gas exchange and impaired diffusion of oxygen and carbon dioxide across the alveolar-capillary membrane. Alveolar destruction in emphysema leads to poor gas exchange and contributes to the characteristic symptoms of dyspnea, hypoxemia, and hypercapnia in affected individuals. Therefore, the alveoli are directly associated with the pathophysiological processes of emphysema

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Correct Answer is C

Explanation

Acne vulgaris is a common skin condition characterized by various types of lesions, including comedones, papules, and pustules, primarily affecting areas with a high density of sebaceous glands, such as the face, neck, chest, and upper back. Here's why option C is the correct choice:

A) Small, skin-colored, pedunculated papules in areas of skin folds and on other areas as skin tags:

This description is more characteristic of acrochordons or skin tags, which are benign skin growths commonly found in areas of friction or skin folds. Skin tags are not typically associated with acne vulgaris.

B) Hyperpigmented areas that vary in form and color and are slightly elevated from the skin:

This description suggests post-inflammatory hyperpigmentation, which can occur after resolution of inflammatory lesions in acne vulgaris. However, it does not capture the primary pathological findings observed in active acne lesions.

C) Hyperactive sebaceous areas forming comedones, papules, pustules on the face, neck, and upper back:

Correct. Acne vulgaris is characterized by the formation of various lesions, including comedones (open and closed), papules, and pustules, resulting from the obstruction of hair follicles and overactivity of sebaceous glands. These lesions typically appear on areas with a high density of sebaceous glands, such as the face, neck, chest, and upper back.

D) Sharply demarcated silvery scaling plaques with underlying redness on the elbows and knees:

This description is more indicative of psoriasis, a chronic autoimmune skin condition characterized by sharply demarcated, raised, silvery scaling plaques commonly affecting extensor surfaces such as the elbows and knees. Psoriasis lesions are distinct from those seen in acne vulgaris.

A. Provide pressure over the biopsy site. B. Keep the client from aspirating. C. Lessen the amount of post procedure pain D. Facilitate pulmonary expansion

Correct Answer is A

Explanation

A. Provide pressure over the biopsy site:

Positioning the client on the right side after a liver biopsy is aimed at providing pressure over the biopsy site. This pressure helps in promoting hemostasis by compressing the blood vessels at the biopsy site, thus reducing the risk of bleeding or hematoma formation. The liver is located on the right side of the body, so positioning the client on the right side applies pressure directly over the liver, aiding in the prevention of bleeding complications.

B. Keep the client from aspirating:

Positioning the client on the right side after a liver biopsy is not primarily aimed at preventing aspiration. Aspiration precautions are typically implemented during procedures where there is a risk of regurgitation or vomiting, such as during anesthesia induction or recovery, rather than specifically after a liver biopsy.

C. Lessen the amount of post-procedure pain:

While positioning can play a role in managing post-procedure pain, the primary reason for positioning the client on the right side after a liver biopsy is to provide pressure over the biopsy site to promote hemostasis. Pain management strategies such as administering analgesics may be utilized to address any discomfort experienced by the client post-procedure.

D. Facilitate pulmonary expansion:

Positioning the client on the right side after a liver biopsy does not directly facilitate pulmonary expansion. Facilitating pulmonary expansion is typically achieved through interventions such as deep breathing exercises, incentive spirometry, and early ambulation rather than positioning alone.

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A client with end stage emphysema is experiencing poor gas exchange. Which respiratory structure is associated with the pathophysiological processes in emphysema?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a young adult who reports uncontrolled acne vulgaris. Which pathological findings should the nurse observe on inspection of skin areas commonly affected in acne vulgaris?

Correct Answer is C

Explanation

A client received midazolam 2 mg and morphine sulfate 4 mg for a liver biopsy. After the procedure, the nurse positions the client on the right side and monitors the vital signs. Which is the physiological reason for the nurse's intervention?

Correct Answer is A

Explanation

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