CNRN 160-174 Exam Questions with Verified Answers,100% CORRECT

CNRN 160-174 Exam Questions with Verified Answers 170. The greatest risk factor for progressive multifocal leukoencephalopathy (PML) is - CORRECT ANSWER AIDS -Patients at highest risk are people with depressed cellular immunity. Antiretroviral treatments have contributed to a declining incidence of PML along patients with HIV disease. -Organ transplantation and leukemia also predispose patients to PML but AIDS is the greatest risk factor -MS is not directly associated but patients being treated with Natalizumab have a 1/1000 risk 174. Before embarking on treatment with a time-contingent regimen of a sustained-release opiod medication for chronic non-cancer pain it is essential to - CORRECT ANSWER Have the patient and doctor sign an agreement that specifies their mutual expectations and parameters of treatment 173. People with Meniere's disease are at increased risk for - CORRECT ANSWER falls, accidents while driving vehicles or operating machinery, and depression -Extremely important to educate on necessary lifestyle changes necessary for safety 172. At onset of an attack of vertigo associated with meniere's disease it is best to - CORRECT ANSWER Lie down and rest until the attack has completely subsided -Activites such as reading and watching TV and bright lights/loud noises can exacerbate the vertigo 171. Fibromyalgia is fundamentally - CORRECT ANSWER a neurologic disorder -The existence of fibromyalgia as a legitamate medical disorder has been disputed because of the absence of an objective diagnositc test. MRI shows hyperexcitability in central pain pathways, and reduced activity in descending central pain inhibitory pathways lending the understading fibromyalgia is a disorder of the CNS 169. MS patients treated with natalizumab (Tysabri) require intensive long term monitoring because - CORRECT ANSWER they have a 1/1000 risk of developing progressive mutlifocal leukoencephalopathy. -Although the statistical risk of progressive PML is relatively small, this diease is progressive, debilitating, and almost always fatal. For this reason it is reserved for patients whose MS has been unresponsive to standard treatment with interferons and glatiramer acetate who have made a thoroughly considered and informed choice 168. The best approach to pharmacologic management of symptoms of restless leg syndrome is usually - CORRECT ANSWER cyclic deployment of various classes of medication -The most characteristic feature of their medication response is that no agent seems to be effective for very long. Therefore cyclic deployment is known to be effective in a regimen tailored to each individuals -gabapentin, opioids, benzodiazepines, muscle relaxers -tricyclic antidepressants and anti-nausea drugs often worsen symptoms of RLS 167. Restless leg syndrome affects - CORRECT ANSWER people of all ages -Can begin at any age. Often the diagnosis is missed in early childhood and dismissed as growing pains. Symptoms often increase with age 166. When children with ADHD enter their teenage years - CORRECT ANSWER their risk for auto accidents is greater than the risk of other teens 165. A patient with HIV disease is taking isoniazid (INH), rifampin (RIF), ethambutol (EMB) and pyrazinamide (PZA). The nutritional supplement most important to include in this patient's regimen is - CORRECT ANSWER Pyridoxine (Vitamin B6) -INH can cause Pyridozine deficiency; patients hshould be instructed to take only as directed as this can be toxic at high concentrations. 164. The most common neurologic manifestation of HIV is - CORRECT ANSWER Peripheral neuropathy -Typically AIDS neuropathy is distal symmetrical polyneuropathy (DSPN) associated with advanced immunosupression and or toxicity of antiretroviral medications. Generally occurs early on in disease progression 163. Women are three times more likely than men to develop - CORRECT ANSWER carpal tunnel syndrome -realted to fluid retention in the carpal tunnel during pregnancy, diabetes, hypothyroidism, RA, and celiac disease 162. Patients with adrenoleukodystrophy lack - CORRECT ANSWER an enzyme that breaks down very long chain fatty acids -The myelin sheath in the brain is damaged by excessive amounts of very long chain fatty acids as well as the adrenal cortex 161. The family of a child with adrenoleukodystrophy (ALD) is seeking genetic counseling. Along with the requested referral, the family can be told that the inheritance of ALD is - CORRECT ANSWER Nearly always X linked recessive. -Female carriers who have one abnormal allele on one x chromosome and one normal allele on the other x chromosome are generally asymptomatic ; however they can have mild syndrome of progressive spasticity, weakness, and ataxia 160. A patient being issued crutches for any reason should be instructed in their correct use in order to avoid - CORRECT ANSWER radial nerve entrapment injury