For which of the ff conditions would the use of salt tablets be considered?

Correct Answer: A

Rationale: Salt tablets should be considered for mild deficits of serum sodium. Salt tablets contain sodium chloride, which helps increase the sodium levels in the body. In cases of mild deficits of serum sodium, also known as hyponatremia, salt tablets can help replenish the sodium levels and correct the electrolyte imbalance. However, for severe deficits of serum magnesium, potassium, or calcium, other specific electrolyte replacement therapies are usually preferred over salt tablets. It is important to consult a healthcare professional for proper diagnosis and treatment of electrolyte imbalances.

Correct Answer: C

Rationale: Option C, "Be sure to protect your tracheostomy from pollutants such as powders, hair and chemicals," is the most appropriate instruction for a patient with a new tracheostomy. It is important to keep the tracheostomy site clean and free from any potential irritants or contaminants that could cause infection or complications. Powders, hair, and chemicals can lead to irritation or clogging of the tracheostomy tube, so it is crucial for the patient to be mindful of avoiding such pollutants near the tracheostomy site.

Correct Answer: C

Rationale: The nurse can help monitor the effectiveness of therapy for a patient with a pneumothorax and chest drainage system by auscultating lung sounds. Auscultation can provide information about the air movement within the lungs and any changes in lung sounds, such as decreased or absent breath sounds on the affected side, which may indicate improvement or deterioration in the patient's condition. By regularly assessing lung sounds, the nurse can track the progress of the therapy and make informed decisions about the patient's care and treatment plan. Palpating for crepitus, documenting sputum characteristics, and monitoring suction levels are important aspects of care but are not specifically focused on assessing the effectiveness of therapy for a pneumothorax.

Correct Answer: C

Rationale: A positive Homans' sign indicates possible deep vein thrombosis (DVT) in the leg. When a patient has DVT, the clot may dislodge and travel to the lungs, causing a pulmonary embolism, which can be life-threatening. Therefore, ambulation and performing the Homans' sign can dislodge the clot and potentially cause an embolism. It is contraindicated to prevent this serious complication.

Correct Answer: C

Rationale: IgM is the first immunoglobulin produced during an acute infection. It is the first class of antibodies secreted by B cells in response to an antigenic challenge. IgM antibodies are produced initially in primary immune responses and play a crucial role in activating the complement system. IgG is produced after IgM and is the most abundant immunoglobulin in the secondary immune response. IgE is responsible for allergic reactions, and IgD's function is not fully understood but is believed to be involved in the activation of B cells.