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Neurology Issues. Study data suggest that increased levels of dietary _______ may protect against dementia. (A) Coenzyme Q10 (B) Resveratrol (C) Selenium (D) Iron. Answer. (B) Resveratrol.
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Study data suggest that increased levels of dietary _______ may protect against dementia.(A) Coenzyme Q10 (B) Resveratrol (C) Selenium (D) Iron
Answer • (B) Resveratrol
Which of the following is characteristic of the behavioral changes that occur with the onset of dementia?(A) Difficulty learning new skills (B) Self-awareness of cognitive deficits (C) Loss of long-term skills (D) Loss of short-term memory
Answer • (C) Loss of long-term skills
The differential diagnosis of mild cognitive impairment includes all the following, except:(A) Depression(B) Stress(C) Adult attention-deficit/hyperactivity disorder(D) Progressive supranuclear palsy
Answer • (D) Progressive supranuclear palsy
All the following are psychosocial issues that must be addressed in dementia patients, except:(A) Family education and support (B) Short and long term disability (C) Driving privileges (D) Patient’s insight into his or her disease
Answer • (D) Patient’s insight into his or her disease
Identify the incorrect statement about structural imaging of the brain in the diagnosis of mild cognitiveimpairment.(A) Clearly indicated when there are focal neurologic findings(B) Essential for making the diagnosis(C) Indicated in patients with risk factors for cerebrovascular disease(D) Single-photon emission computed tomography gives a functional assessment of brain activity
Answer • (B) Essential for making the diagnosis
Which of the following may be the first symptom of an underlying neurologic voice disorder?(A) Hoarseness (B) Weak voice (C) Fatigue during speech (D) Any of the above
Answer • (D) Any of the above
Other concurrent symptoms that may support the diagnosis of a neurologic voice disorder include which of thefollowing?(A) Torticollis (B) Ptosis (C) Fasciculations (D) Any of the above
Answer • (D) Any of the above
Bowing of the vocal folds can be seen in the normal aging process.(A) True (B) False
Answer • (A) True
According to the Mayo Clinic classification, hypernasality is a classic symptom of _______ dysarthria, while astrained and strangled voice is characteristic of _______ dysarthria.(A) Flaccid; spastic (B) Spastic; flaccid
Answer • (A) Flaccid; spastic
Patients with _______ dysarthria are often perceived as being angry.(A) Hyperkinetic (B) Ataxic or cerebellar (C) Spastic (D) Hypokinetic
Answer • (C) Spastic
Patients with migraine headaches showed superior responses when:(A) Stratified based on level of disability before treatment is prescribed(B) Stepped through different treatments before proceeding to migraine-specific therapies
Answer • (A) Stratified based on level of disability before treatment is prescribed
Patients with infrequent headaches (10 headache days per month) should attempt dosing with triptans _______ after thefirst symptoms of a migraine appear.(A) <2 hr (B) <1 hr (C) <30 min (D) <15 min
Answer • (B) <1 hr
The peripheral pain associated with migraines is associated with inflammation and vasodilation in the:(A) Dorsal raphe (B) Sphenopalatine ganglion (C) Meninges (D) All the above
Answer • (C) Meninges
Chronic daily headaches may be prevented by:(A) Selecting correct medications (B) Reducing repeat dosing (C) Reducing medication overuse (D) All the above
Answer • (D) All the above
Prophylaxis of migraines requires a minimum of _______ of treatment to produce benefit.(A) 1 yr (B) 6 to 8 mo (C) 2 to 3 mo (D) 2 to 4 wk
Answer • (C) 2 to 3 mo
Statins show the greatest benefits when treating patients at risk for:(A) Atherosclerosis (B) Embolic stroke (C) Hemorrhagic stroke (D) All the above
Answer • (A) Atherosclerosis
Research supports lowering low density lipoprotein to _______ in patients with multiple risk factors for stroke.(A) <130 mg/dL (B) <100 mg/dL (C) <70 mg/dL (D) <45 mg/dL
Answer • (C) <70 mg/dL
Statins have been shown to reduce the thickness of arterial plaques in patients with asymptomatic atherosclerosis of thecarotid artery.(A) True (B) False
Answer • (A) True
The endothelial effects of statins include:1. Upregulation of nitric oxide2. Reduced coagulation3. Positive effects on oxidative stress4. Increased platelet function5. Reduced inflammation after myocardial infarction and stroke(A) 1,2,5 (B) 1,2,3,4 (C) 2,3,4,5 (D) 1,2,3,5
Answer • (D) 1,2,3,5
Statins may improve outcomes in patients with subarachnoid hemorrhages by reducing:(A) Cerebral vasospasm(B) Expression of endothelial nitric oxide synthase protein(C) Low density lipoprotein levels(D) All the above
Answer • (A) Cerebral vasospasm
Cluster headaches (CH) are extremely rare in patients younger than:(A) 45 yr of age (B) 35 yr of age (C) 25 yr of age (D) 16 yr of age
Answer • (D) 16 yr of age
Stimulation of the _______ mimics the clinical symptoms of CH by activating autonomic structures connected to the eyeand nose.(A) Mandibular nerve (B) Pterygopalatine ganglion (C) Descending palatine nerves (D) Trigeminal ganglion
Answer • (B) Pterygopalatine ganglion
Initiation of the pain process involved in CH:(A) Relates to the dilation of blood vessels(B) Is a hypothalamically mediated event(C) Proceeds through the trigeminal system(D) All the above
Answer • (D) All the above
Plasma levels of _______ increase rapidly during CH attacks.(A) Endorphins (B) Enkephalins (C) Dynorphins (D) A and B
Answer • (D) A and B
Which of the following classes of medications may exacerbate the biochemical irregularities seen in patients with CH?(A) Analgesics(B) Opioids (C) Calcium channel antagonists (D) beta-blockers