A patient presents with fever, malaise, and a skin lesion resembling a "bull's eye" rash at the site of a tick bite. Which of the following is the most likely causative agent?

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Question 1 of 9

A patient presents with fever, malaise, and a skin lesion resembling a "bull's eye" rash at the site of a tick bite. Which of the following is the most likely causative agent?

Correct Answer: C

Rationale: The most likely causative agent in this scenario is Borrelia burgdorferi, which is the bacterium responsible for causing Lyme disease. The classic presentation of Lyme disease includes fever, malaise, and a skin lesion resembling a "bull's eye" rash, known as erythema migrans. This rash typically appears at the site of a tick bite. If left untreated, Lyme disease can progress to involve multiple organ systems and lead to more severe complications. Plasmodium falciparum is the causative agent of malaria, which typically presents with symptoms such as fever, chills, and fatigue, but it does not cause a "bull's eye" rash. Trypanosoma cruzi is the parasite responsible for Chagas disease, which presents with symptoms such as fever, swelling at the site of entry (typically the bite wound), and enlarged lymph nodes, but it does not

Question 2 of 9

A woman in active labor demonstrates signs of cephalopelvic disproportion (CPD), with the fetal head failing to descend despite strong contractions. What nursing action should be prioritized to address this abnormal labor presentation?

Correct Answer: D

Rationale: When a woman in active labor demonstrates signs of cephalopelvic disproportion (CPD) with the fetal head failing to descend despite strong contractions, the nursing action that should be prioritized is to prepare for immediate instrumental delivery. CPD can lead to a prolonged and difficult labor, increasing the risks for both the mother and the fetus. In cases where the fetal head is not descending adequately and the mother's contractions are strong, instrumental delivery, like forceps or vacuum extraction, may be necessary to facilitate the safe delivery of the baby. It is important to act promptly to avoid potential complications associated with prolonged labor. Other actions, such as performing a pelvic exam, changing maternal positions, or administering oxytocin, may be considered but addressing the issue of CPD efficiently through instrumental delivery should take precedence in this scenario.

Question 3 of 9

Which of the following is the central theme of Sr. Calista Roys theory

Correct Answer: C

Rationale: The central theme of Sr. Callista Roy's theory is adaptation. Roy's Adaptation Model focuses on the individual's ability to adapt to internal and external stimuli in order to maintain health and well-being. The theory emphasizes the interconnectedness of the individual and their environment, highlighting the dynamic process of adaptation in response to stimuli. By focusing on adaptation, Roy's theory guides nursing practice in promoting holistic care that supports individuals in adapting to changes and achieving optimal health outcomes.

Question 4 of 9

A woman in active labor is diagnosed with a prolapsed umbilical cord. What is the priority nursing action?

Correct Answer: B

Rationale: A prolapsed umbilical cord is a medical emergency during labor because it can cause compression of the umbilical cord, leading to decreased oxygen supply to the fetus. The priority nursing action in this situation is to prepare for an immediate cesarean section. This is necessary to quickly deliver the baby and relieve pressure on the cord, preventing potential fetal distress or death. Elevating the mother's hips may help reduce pressure on the cord temporarily, but it is not the definitive treatment for a prolapsed cord. Administering intravenous fluids rapidly may be necessary, but it is not the priority intervention when the fetus is at risk due to a prolapsed cord. Performing a vaginal examination to assess cervical dilation is contraindicated in the presence of a prolapsed umbilical cord as it can further compress the cord and worsen the situation.

Question 5 of 9

A patient is going for a coronary arterial by-pass graft (CABG) due to a 4 blocked arterial blood vessels. A surgical team has been formed with the cardiac surgeon as the head. Who is the member of the health team that prepares the pre-operative orders for the patient?

Correct Answer: C

Rationale: The member of the health team responsible for preparing pre-operative orders for a patient undergoing surgery, such as a coronary arterial bypass graft (CABG), is typically the anesthesiologist. Anesthesiologists are specialized physicians who are trained to administer anesthesia and manage the patient's well-being during surgery. They are responsible for assessing the patient's medical history, determining the appropriate anesthesia plan, and prescribing pre-operative medications. Cardiologists focus on diagnosing and treating heart conditions, surgeons perform the actual surgical procedure, and medical internists specialize in the diagnosis and non-surgical treatment of internal diseases. The anesthesiologist plays a crucial role in ensuring the safety and comfort of the patient before, during, and after surgery.

Question 6 of 9

A patient presents with recurrent episodes of sudden, severe vertigo lasting hours, accompanied by nausea, vomiting, and nystagmus. Vestibular function tests demonstrate unilateral weakness. Which of the following conditions is most likely responsible for this presentation?

Correct Answer: A

Rationale: The patient's presentation of recurrent episodes of sudden, severe vertigo lasting hours with nausea, vomiting, and nystagmus, along with unilateral weakness on vestibular function tests, is most consistent with vestibular neuritis. Vestibular neuritis is characterized by inflammation of the vestibular nerve leading to sudden onset vertigo that can last for hours to days. It is often associated with nausea, vomiting, and nystagmus. Unilateral weakness on vestibular function tests indicates dysfunction of one vestibular system. Differential diagnosis for this type of presentation includes other conditions such as Meniere's disease, BPPV, and acoustic neuroma. However, the combination of symptoms and unilateral vestibular weakness makes vestibular neuritis the most likely diagnosis in this case.

Question 7 of 9

A nurse is collaborating with other healthcare providers to develop a plan of care for a patient. What is the primary purpose of interdisciplinary collaboration in nursing practice?

Correct Answer: B

Rationale: The primary purpose of interdisciplinary collaboration in nursing practice is to improve communication and coordination of patient care. When healthcare providers from different disciplines work together as a team, they can share their unique perspectives, knowledge, and skills to develop comprehensive care plans that address all aspects of a patient's well-being. This collaborative approach helps ensure that the patient receives holistic and coordinated care, leading to better outcomes and patient satisfaction. Effective communication and coordination among team members also help prevent errors, reduce duplication of efforts, and promote efficient use of resources. Overall, interdisciplinary collaboration is essential for delivering high-quality, patient-centered care in healthcare settings.

Question 8 of 9

A patient presents with recurrent episodes of sudden, severe vertigo lasting hours, accompanied by nausea, vomiting, and nystagmus. Vestibular function tests demonstrate unilateral weakness. Which of the following conditions is most likely responsible for this presentation?

Correct Answer: A

Rationale: The patient's presentation of recurrent episodes of sudden, severe vertigo lasting hours, along with nausea, vomiting, nystagmus, and unilateral weakness on vestibular function tests, is most consistent with vestibular neuritis. Vestibular neuritis is an inflammatory disorder of the vestibular nerve, typically viral in origin, leading to acute onset of vertigo. Patients often experience severe vertigo, imbalance, nausea, and vomiting, along with characteristic nystagmus. Unilateral weakness on vestibular function testing supports the diagnosis of vestibular neuritis, as it indicates dysfunction of one vestibular organ. Benign paroxysmal positional vertigo (BPPV) typically presents with brief episodes of vertigo triggered by changes in head position without associated unilateral vestibular weakness. Ménière's disease is characterized by recurrent episodes of vertigo associated with fluctuating hearing loss, tinnitus, and aural fullness, and

Question 9 of 9

A patient presents with a painless, gradually enlarging mass in the left neck, anterior to the sternocleidomastoid muscle. Fine-needle aspiration cytology reveals thyroid follicular cells. Which of the following conditions is most likely responsible for this presentation?

Correct Answer: C

Rationale: The presentation described is most consistent with a thyroid adenoma. Thyroid adenomas are benign neoplasms of the thyroid gland and can present as painless, gradually enlarging masses in the neck. Fine-needle aspiration cytology revealing thyroid follicular cells further supports the diagnosis of a thyroid adenoma. Thyroglossal duct cysts typically present as midline neck masses that move with swallowing, while lymphadenopathy presents as enlarged lymph nodes and may be associated with infection or malignancy. Thyroid carcinoma may also present as a neck mass but is more likely to be associated with other features such as vocal cord paralysis, hoarseness, or enlarged cervical lymph nodes.

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