A patient presents with a thyroid nodule and compressive symptoms such as difficulty swallowing and breathing. Fine-needle aspiration biopsy reveals colloid nodules. Which endocrine disorder is most likely responsible for these symptoms?
- A. Hashimoto's thyroiditis
- B. Graves' disease
- C. Diabetes mellitus
- D. Thyroid nodules
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.
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A patient with a history of chronic kidney disease presents with pruritus, pale skin, and easy bruising. Laboratory findings reveal anemia, thrombocytopenia, and elevated blood urea nitrogen (BUN) and creatinine levels. Which of the following conditions is most likely?
- A. Uremic encephalopathy
- B. Uremic pericarditis
- C. Uremic bleeding diathesis
- D. Uremic neuropathy
Correct Answer: C
Rationale: The given patient with chronic kidney disease (CKD) is likely experiencing uremic bleeding diathesis. Uremic bleeding diathesis is a complication of CKD characterized by abnormal platelet function, leading to a tendency for bleeding. The presence of anemia, thrombocytopenia (low platelet count), pale skin, easy bruising, and elevated blood urea nitrogen (BUN) and creatinine levels are all consistent with uremic bleeding diathesis.
A patient presents with recurrent episodes of fever, sore throat, and cervical lymphadenopathy. Laboratory tests reveal leukocytosis with atypical lymphocytes on peripheral blood smear and positive heterophile antibody test (Monospot test). Which of the following conditions is most likely to cause these findings?
- A. Infectious mononucleosis (Epstein-Barr virus infection)
- B. Cytomegalovirus (CMV) infection
- C. HIV/AIDS
- D. Toxoplasmosis
Correct Answer: A
Rationale: The clinical presentation of recurrent fever, sore throat, cervical lymphadenopathy, leukocytosis with atypical lymphocytes, and positive heterophile antibody test (Monospot test) is highly indicative of infectious mononucleosis caused by the Epstein-Barr virus (EBV). EBV is a member of the herpesvirus family and is a common cause of infectious mononucleosis. The atypical lymphocytes seen on peripheral blood smear are reactive T lymphocytes responding to the EBV infection. The Monospot test detects heterophile antibodies produced in response to EBV infection.
To remove the ingested poisonous substance, the physician ordered a gastric lavage. What is the role of the nurse immediately prior to the procedure?
- A. Get the right size of the nasogastric tube
- B. Remind parents to be careful next time
- C. Obtain an informed consent immediately
- D. Tell the parent that they are negligent
Correct Answer: A
Rationale: Prior to a gastric lavage procedure, it is essential for the nurse to ensure the correct size of the nasogastric tube is selected. The appropriate size of the tube will allow for effective removal of the ingested poisonous substance during the procedure. Proper sizing also helps in preventing complications such as injury to the gastrointestinal tract or inadequate removal of the substance. This step is crucial for the safe and successful completion of gastric lavage. Reminding parents to be careful, obtaining informed consent immediately, or accusing them of negligence are not immediate responsibilities of the nurse in this context.
A patient with osteoarthritis of the knee experiences persistent pain and functional limitation despite conservative management. Which surgical procedure is commonly performed to alleviate symptoms and improve function in such cases?
- A. Total knee arthroplasty (TKA)
- B. High tibial osteotomy (HTO)
- C. Knee arthroscopy
- D. Meniscectomy
Correct Answer: A
Rationale: Total knee arthroplasty (TKA), also known as total knee replacement, is a surgical procedure commonly performed to alleviate symptoms and improve function in patients with advanced osteoarthritis of the knee that has not responded to conservative management. During TKA, the damaged cartilage and bone in the knee joint are removed and replaced with prosthetic components. This procedure aims to reduce pain, restore function, and improve the quality of life for individuals with severe osteoarthritis of the knee. High tibial osteotomy (HTO) is typically performed in younger patients with unicompartmental osteoarthritis, while knee arthroscopy and meniscectomy are more targeted towards specific knee conditions and may not provide significant relief in cases of advanced osteoarthritis.
The statement'The length of service is not associated with the degree of patient safety practices of staff nurses is an example of a/an______.
- A. Variable
- B. Hypothesis
- C. Assumption
- D. Theory
Correct Answer: C
Rationale: An assumption is a belief or statement that is accepted as true without proof. In this case, the statement suggests a belief that the length of service does not affect the degree of patient safety practices among staff nurses, without providing evidence or data to support this claim. It is an assumption about the relationship between two variables without a proper basis or evidence to back it up, making it an example of an assumption.