Correct Answer: B

Rationale: The nurse should monitor the International Normalized Ratio (INR) closely during anticoagulant therapy for the prevention of VTE. The INR measures the clotting ability of the blood and is used to monitor the effectiveness of anticoagulant therapy, such as warfarin. Maintaining the INR within the target therapeutic range is crucial to prevent both excessive bleeding due to over-anticoagulation and clotting events due to under-anticoagulation. Close monitoring of the INR helps healthcare providers adjust the anticoagulant dosage as needed to ensure optimal therapeutic outcomes and minimize risks. Platelet count, serum sodium levels, and blood urea nitrogen (BUN) are important laboratory parameters to monitor for other medical conditions but are not specific to anticoagulant therapy.

Correct Answer: D

Rationale: Thyroid nodules are abnormal growths of thyroid cells that form a lump within the thyroid gland. When a thyroid nodule becomes large enough, it can cause compressive symptoms such as difficulty swallowing and breathing. The presence of colloid nodules on fine-needle aspiration biopsy indicates a benign and common type of thyroid nodule. In this case, the symptoms are likely due to the physical pressure exerted by the thyroid nodule, rather than an underlying endocrine disorder like Hashimoto's thyroiditis, Graves' disease, or diabetes mellitus. Therefore, the most likely cause of the patient's symptoms is the thyroid nodule itself.

Correct Answer: A

Rationale: This statement indicates a need for further instructions because drinking milk between meals may worsen heartburn for some individuals. Milk can temporarily neutralize stomach acid, but it can also stimulate acid production in the stomach leading to increased heartburn symptoms. Therefore, Nurse Harper should provide more guidance on appropriate dietary choices for managing heartburn, such as avoiding trigger foods like fatty or spicy foods, eating small, frequent meals, and not lying down immediately after eating.

Correct Answer: D

Rationale: The correct advice to give to the owner of the dog in case of a dog bite is to feed the dog well and observe its behavior closely. It is not necessary to give away, impound, or kill the dog immediately after a bite incident. By feeding the dog well and observing its behavior, the owner can see if there are any underlying issues that may have caused the dog to bite. Additionally, observing the dog can help the owner determine if the dog has any health issues that need to be addressed. This approach allows the owner to make an informed decision about the dog's future while ensuring the safety of others.

Correct Answer: D

Rationale: Fats are essential for the absorption of vitamin K in the body. Vitamin K is a fat-soluble vitamin, meaning it is better absorbed in the presence of dietary fats. In the case of postpartum hemorrhage, adequate levels of vitamin K are crucial for proper blood clotting. Thus, incorporating fats in the diet can help ensure sufficient absorption of vitamin K, which can be beneficial in preventing complications related to hemorrhage.