A student is feeling inside her backpack to find her mobile phone. There are a number of other items in the bag other than the phone. The nurse knows that which term best describes one's ability to sense the shape and size of an object in the absence of visualization?
- A. Stereognosis
- B. Graphesthesia
- C. Proprioception
- D. Kinesthesia
Correct Answer: A
Rationale: Stereognosis is the correct answer. It refers to the ability to recognize objects by touch, specifically determining their shape and size without relying on visual cues. Graphesthesia, on the other hand, is the ability to recognize symbols or numbers traced on the skin. Proprioception involves the awareness of body position and movement. Kinesthesia relates to the perception of body movement.
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A 25-year-old woman who works as an air traffic controller presents with facial pain and severe headache. She reports that she sometimes feels the pain in her neck or ear and that it is particularly bad during very busy times at the airport. What is the most likely diagnosis?
- A. Migraine headache
- B. Cluster headache
- C. Temporomandibular joint syndrome
- D. Sinus headache
Correct Answer: C
Rationale: The most likely diagnosis for the 25-year-old woman who works as an air traffic controller and presents with facial pain and severe headache that sometimes radiates to her neck or ear, aggravated by stress, is Temporomandibular joint syndrome. This syndrome involves pain in the jaw joint and the muscles controlling jaw movement, which can radiate to the surrounding areas like the neck and ear. Stress and clenching of the jaw commonly exacerbate the symptoms. Migraine headache (choice A) typically presents with other symptoms like nausea, sensitivity to light or sound, and can be triggered by various factors, not just stress. Cluster headache (choice B) is characterized by severe, unilateral pain around the eye with associated autonomic symptoms. Sinus headache (choice D) is usually associated with sinus congestion or infection, presenting with facial pressure or pain, often worsened by bending forward.
A patient is administered isoniazid (INH) for tuberculosis. Which of the following adverse effects will result in discontinuation of the medication?
- A. Weight gain
- B. Jaundice
- C. Fever
- D. Arthralgia
Correct Answer: B
Rationale: The correct answer is B: Jaundice. Isoniazid (INH) is known to cause hepatotoxicity, which can manifest as jaundice. Jaundice is a serious adverse effect that warrants immediate discontinuation of the medication to prevent further liver damage. Weight gain, fever, and arthralgia are not typically associated with isoniazid use and would not necessitate discontinuation of the medication.
A 56-year-old woman has been experiencing memory loss and confusion for the past year. The client is diagnosed with Alzheimer's disease. Which finding is most characteristic of this disease?
- A. Neurofibrillary tangles in the brain
- B. Demyelination of neurons in the brain
- C. Accumulation of beta-amyloid plaques
- D. Formation of Lewy bodies
Correct Answer: C
Rationale: The correct answer is C: Accumulation of beta-amyloid plaques. Alzheimer's disease is characterized by the accumulation of beta-amyloid plaques in the brain. These plaques are formed from the buildup of beta-amyloid protein fragments between nerve cells. Choice A, neurofibrillary tangles, are a hallmark of another neurodegenerative disease called Alzheimer's disease. Choice B, demyelination of neurons, is more characteristic of diseases like multiple sclerosis. Choice D, formation of Lewy bodies, is associated with Lewy body dementia, not Alzheimer's disease.
What important information should the nurse provide about the risks associated with tamoxifen (Nolvadex) for a patient with a history of breast cancer?
- A. Tamoxifen may increase the risk of venous thromboembolism.
- B. Tamoxifen may decrease the risk of osteoporosis.
- C. Tamoxifen may cause hot flashes and other menopausal symptoms.
- D. Tamoxifen may cause weight gain and fluid retention.
Correct Answer: A
Rationale: The correct answer is A: Tamoxifen may increase the risk of venous thromboembolism. Patients on tamoxifen should be educated about the signs and symptoms of blood clots. Choices B, C, and D are incorrect. Tamoxifen does not decrease the risk of osteoporosis; it may cause hot flashes and other menopausal symptoms, and it may cause weight gain and fluid retention.
A patient is taking a statin for hyperlipidemia. What important instruction should the nurse provide to the patient?
- A. Take the medication at night to avoid muscle pain.
- B. Take the medication in the morning to ensure it works throughout the day.
- C. Avoid consuming alcohol while taking this medication.
- D. Take the medication with a high-fat meal to increase absorption.
Correct Answer: A
Rationale: The correct answer is to instruct the patient to take the medication at night to avoid muscle pain. Statins are known to potentially cause muscle pain or weakness; taking the medication at night can help reduce the incidence of these side effects. Option B is incorrect because the timing of statin administration is not related to its effectiveness throughout the day. Option C is a general precaution when taking medications but not the most important instruction specific to statins. Option D is incorrect as taking the medication with a high-fat meal can actually decrease its absorption.