A patient with chronic respiratory failure secondary to severe restrictive lung disease requires long-term oxygen therapy to maintain adequate oxygenation. Which of the following oxygen delivery devices is most appropriate for delivering continuous supplemental oxygen in this patient?

Correct Answer: D

Rationale: The most appropriate oxygen delivery device for a patient with chronic respiratory failure secondary to severe restrictive lung disease requiring continuous supplemental oxygen is a non-rebreather mask. A non-rebreather mask is designed to deliver high-flow oxygen and is typically used for short-term medical treatment in emergency situations or for critically ill patients. It is ideal for providing the highest concentration of oxygen available for inhalation, making it suitable for patients with severe hypoxemia.

Correct Answer: A

Rationale: Providing education on techniques to improve latch and milk transfer should be prioritized to support successful breastfeeding in this situation. Newborns who are macrosomic (large for gestational age) may have difficulties latching due to their size and may require additional support to effectively breastfeed. By educating the postpartum client on proper latch techniques and milk transfer, the nurse can help optimize the breastfeeding experience for both the mother and baby. This intervention focuses on addressing the specific concerns related to the infant's size and aims to promote successful breastfeeding despite potential challenges. As such, recommending supplemental formula feedings, encouraging the client to avoid breastfeeding, or immediately referring to a lactation consultant may not directly address the immediate need for support in improving breastfeeding in this situation.

Correct Answer: D

Rationale: Administering oxygen inhalation is the priority nursing action for a patient presenting with clinical manifestations related to endocrine disorders. Patients with hyperthyroidism, Cushing syndrome, and hypothyroidism can all experience respiratory distress due to various reasons such as thyroid storm, adrenal crisis, or myxedema coma. Oxygen inhalation helps improve oxygenation and tissue perfusion, providing immediate support to the patient's respiratory system. It is crucial to ensure adequate oxygenation before addressing other assessments or interventions. Once the patient's breathing is stabilized, further assessments and treatments can be initiated as necessary.

Correct Answer: C

Rationale: Cryptosporidium parvum is a protozoan parasite often found in contaminated water sources. This parasite is known to cause watery diarrhea, abdominal cramps, and nausea in infected individuals. The presence of oocysts in the stool sample is characteristic of Cryptosporidium infection. Other parasitic infections may present with similar symptoms, but in this case, the most likely culprit based on the exposure history and laboratory findings is Cryptosporidium parvum.

Correct Answer: A

Rationale: The described presentation is classic for acute angle-closure glaucoma. This condition is characterized by sudden-onset severe eye pain, headache, nausea, and vomiting. The red eye, steamy cornea (corneal edema), and mid-dilated non-reactive pupil are consistent with acute angle-closure glaucoma. The sudden increase in intraocular pressure leads to impaired aqueous humor outflow, causing these symptoms. Immediate intervention is required to prevent permanent vision loss in such cases. Central retinal artery occlusion would present with sudden painless vision loss. Optic neuritis typically presents with vision loss and pain with eye movements. Corneal ulcer presents with eye discomfort, foreign body sensation, and may have a history of corneal trauma or contact lens wear.

Correct Answer: B

Rationale: Loop diuretics, such as furosemide, are potent diuretics commonly used to manage conditions like edema, heart failure, and hypertension. Loop diuretics work by inhibiting the reabsorption of sodium and chloride in the loop of Henle in the kidney, leading to increased diuresis. However, this mechanism of action can also lead to increased excretion of other electrolytes, such as magnesium.

Correct Answer: B

Rationale: Vestibular neuritis is a condition characterized by the acute onset of severe vertigo, nausea, vomiting, and nystagmus. These symptoms are typically worsened by head movement. Vestibular neuritis is caused by inflammation of the vestibular nerve, which plays a key role in balance and spatial orientation. The classic presentation of these symptoms, along with the absence of hearing loss (which is seen in labyrinthitis), points towards vestibular neuritis as the most likely cause in this scenario. Meniere's disease presents with recurrent episodes of vertigo, hearing loss, tinnitus, and sensation of fullness in the ear. Benign paroxysmal positional vertigo (BPPV) is characterized by brief episodes of vertigo triggered by changes in head position.

Correct Answer: D

Rationale: Sonography, also known as ultrasound, is a non-invasive imaging technique that uses high-frequency sound waves to create images of structures inside the body. In the context of a patient who is pregnant, sonography is commonly used to assess the well-being of the fetus. It allows healthcare providers to monitor the growth and development of the fetus, evaluate the placenta, amniotic fluid levels, and detect any abnormalities that may be present.

Correct Answer: C

Rationale: When a pregnant woman is diagnosed with preeclampsia, the focus of health care shifts to the individual woman herself. Preeclampsia is a serious condition that affects the health of the pregnant woman and her unborn child. The healthcare team will prioritize the care and treatment of the woman to ensure her well-being and safety. In this scenario, the emphasis is on providing personalized and targeted care to address the needs of the individual patient, rather than a broader focus on population groups, communities, or families.