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“I need to contact my doctor if I notice an increase in confusion since ammonia can cause encephalopathy.”: Increasing confusion is an important clinical sign of worsening hepatic encephalopathy and requires prompt medical evaluation. Elevated ammonia levels impair neurotransmission and cerebral metabolism, leading to progressive cognitive dysfunction and altered consciousness. Early recognition of neurologic deterioration is essential because worsening encephalopathy can rapidly progress to severe complications such as stupor or coma.

“Rifaximin is used to reduce gut bacteria that produce ammonia.”: Rifaximin is a nonabsorbable antibiotic that decreases intestinal bacteria responsible for ammonia generation through protein metabolism and urea breakdown. By lowering the population of ammonia-producing organisms in the colon, rifaximin helps reduce systemic ammonia absorption and recurrence of hepatic encephalopathy episodes. It is commonly used in combination with lactulose for long-term management and prevention of recurrent symptoms.

“Lactulose will help reduce ammonia levels through its laxative effect and by acidifying the gut, which traps ammonia.”: Lactulose is a nonabsorbable disaccharide that works by multiple mechanisms to lower serum ammonia levels. It acidifies the colonic contents, converting ammonia (NH3) into ammonium (NH4+), which is less absorbable and remains trapped in the gut lumen. Its osmotic laxative effect also accelerates fecal elimination of ammonia and nitrogenous waste products.

“A client’s exposure to any past or present STIs is not needed for counseling purposes.”: Past and present STI exposure is highly relevant when counseling clients because it helps identify ongoing risk factors, potential complications, reinfection risks, and the need for partner notification or testing. A history of previous STIs may indicate high-risk sexual behaviors and increased susceptibility to future infections, including HIV. Omitting this information would limit the nurse’s ability to provide comprehensive education and individualized prevention strategies.

“Refer the client to genetic counseling if he has had a STI.”: Genetic counseling is typically indicated for inherited genetic disorders, congenital anomalies, or familial disease patterns rather than routine management of sexually transmitted infections. Although certain infections can affect pregnancy outcomes or neonatal health, a history of STI alone does not automatically warrant referral to genetic counseling services. The nurse’s primary focus should instead involve risk reduction, treatment adherence, partner management, and reproductive health education.

“Use closed-ended questions when obtaining the health history.”: Closed-ended questions often limit communication and may prevent clients from fully discussing sensitive sexual health concerns or risky behaviors. Open-ended questions are preferred because they encourage detailed responses, promote trust, and allow clients to describe symptoms, exposures, and concerns more comfortably. Therapeutic communication techniques are especially important in STI counseling because embarrassment or fear may otherwise inhibit honest disclosure.

“You should wear a breast binder.”: Breast binders apply significant compression and pressure to breast tissue, which can worsen tenderness, restrict circulation, and increase discomfort after brachytherapy. Radiation-treated tissues are often inflamed and sensitive, making excessive compression undesirable during recovery. Tight support devices may also aggravate bruising and impair skin integrity in already fragile tissue. Therefore, breast binders are generally not recommended for managing post-brachytherapy breast tenderness.

“You should request to be changed to chemotherapy instead.”: Chemotherapy and brachytherapy are different treatment modalities used for different therapeutic purposes in breast cancer management. Mild tenderness and bruising are expected localized side effects of brachytherapy and do not justify changing treatment plans without medical indication. Chemotherapy also carries significant systemic adverse effects such as myelosuppression, nausea, and immunosuppression. The nurse should instead educate the client on symptom management strategies rather than encouraging unnecessary treatment changes.

“You should use a supportive underwire bra.”: Underwire bras can place concentrated pressure on sensitive breast tissue and may irritate areas affected by radiation therapy. The rigid wire structure may increase pain, worsen bruising, and contribute to skin irritation or breakdown in inflamed tissues. Following brachytherapy, clients are encouraged to avoid restrictive or abrasive clothing that may traumatize the treatment area.

Colonoscopy: Colonoscopy is a diagnostic procedure used to evaluate the large intestine and is primarily indicated for colorectal cancer screening, gastrointestinal bleeding, or inflammatory bowel disease. It does not provide visualization of the esophagus and therefore cannot be used to assess Barrett’s esophagus or detect esophageal cancer. While it is an important gastrointestinal screening tool, it is unrelated to upper GI tract pathology.

Upper GI series: An upper GI series uses fluoroscopic imaging with barium contrast to visualize the esophagus, stomach, and duodenum. While it can detect structural abnormalities such as strictures or hiatal hernia, it does not allow for tissue biopsy or detailed mucosal evaluation. Therefore, it is not suitable for detecting cellular changes associated with Barrett’s esophagus or early esophageal cancer.

Endoscopic retrograde cholangiopancreatography (ERCP): ERCP is a specialized procedure used to evaluate and treat disorders of the biliary and pancreatic ducts, such as gallstones, strictures, or pancreatic disease. It does not assess the esophagus or detect mucosal changes associated with Barrett’s esophagus. Because its focus is the hepatobiliary system rather than the upper gastrointestinal mucosa, it is not indicated for esophageal cancer screening.

Remove the catheter: Removing the catheter immediately is not appropriate because it can allow more air to enter the venous system and worsen the embolism. The first priority is to prevent additional air entry by clamping the line and stabilizing the patient. Catheter removal is done only after the patient is stabilized and under controlled conditions if it is no longer needed or is malfunctioning. Immediate removal in this emergency situation increases risk.

Replace the infusion system: Replacing the infusion system does not address the acute emergency of an air embolism. The priority problem is already intravascular air, and changing tubing does not remove the existing embolus or prevent immediate complications. The nurse must first manage the embolism by stopping air entry and positioning the patient appropriately. Equipment changes can be done later once the patient is stable.

Prepare for chest tube insertion: Chest tube insertion is not indicated for air embolism in the venous circulation. Chest tubes are used to treat pneumothorax or hemothorax, which involve air or fluid in the pleural space, not intravascular air. While respiratory distress may be present in air embolism, the underlying problem is vascular obstruction, not pleural collapse.