Correct Answer: A

Rationale: Selective IgA deficiency is a primary immunodeficiency disorder characterized by low or absent levels of immunoglobulin A (IgA) in the blood. Since IgA plays a crucial role in mucosal immunity and defense against pathogens at mucosal surfaces, individuals with this deficiency are more susceptible to recurrent bacterial infections, particularly of the respiratory and gastrointestinal tracts. In contrast, severe combined immunodeficiency (SCID) is a more severe immunodeficiency disorder affecting T and B lymphocytes, chronic granulomatous disease (CGD) is a disorder of phagocytes, and autoimmune hemolytic anemia is an autoimmune disease involving red blood cells, none of which are directly associated with selective IgA deficiency.

Correct Answer: C

Rationale: Periodontitis is the dental condition characterized by inflammation and destruction of the supporting structures of the teeth, including the gingiva (gums), periodontal ligament, and alveolar bone. It is usually caused by untreated gingivitis, where plaque buildup along the gumline leads to bacterial infection and inflammation, resulting in destruction of the tissues that support the teeth. If left untreated, periodontitis can lead to tooth loss and other complications. Gingivitis, on the other hand, is inflammation of the gums without involvement of the supporting structures, while dental caries refer to tooth decay or cavities in the enamel. Dental abscess is a localized collection of pus caused by a bacterial infection.

Correct Answer: B

Rationale: Guillain-Barré Syndrome (GBS) is characterized by ascending motor weakness, starting typically in the lower extremities and progressing upwards. Patients with GBS often verbalize the early onset of symptoms as weakness starting in the legs and potentially spreading to involve the arms and sometimes the face. Therefore, the common verbalization of the patient with GBS regarding the early onset of symptoms is ascending motor weakness. Acute hemiplegia (choice A) and acute hemiparesis (choice D) involve weakness or paralysis typically limited to one side of the body, which is not a characteristic presentation of GBS. Weakness of the four lower extremities (choice C) is also not a typical description in GBS as the weakness usually starts distally and progresses proximally.

Correct Answer: C

Rationale: The most appropriate nursing action for managing a patient with dependent edema in the lower extremities is to administer diuretics as prescribed. Diuretics help the body remove excess fluid, reducing swelling and edema in the extremities. It is important to follow the healthcare provider's orders for administering diuretics to ensure the patient's fluid balance is managed effectively. While elevating the legs above heart level and applying compression stockings may provide temporary relief, addressing the underlying cause of fluid retention with diuretics is essential for long-term management of the edema in a patient with heart failure. Encouraging increased fluid intake would not be appropriate in this case, as the focus should be on reducing fluid overload rather than increasing fluid intake.

Correct Answer: C

Rationale: In clients with ALS (Amyotrophic Lateral Sclerosis), death typically occurs within two to three years of diagnosis. This is often due to progressive weakness and degeneration of the muscles involved in breathing, leading to respiratory failure. As the disease advances, the muscles responsible for breathing become increasingly compromised, eventually resulting in the inability to breathe effectively without mechanical ventilation support. Other complications such as aspiration pneumonia and malnutrition may also contribute to the decline in health. Therefore, respiratory failure is the primary cause of death in clients with ALS.