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Ampere correct answers >> The basic unit for measuring current flow is____. a.atomic weight b.Coulomb c.Volt d.Ampere the characteristic of an amplifier that rejects external interference correct answers >> Common Mode Rejection is ____. a. the ability of an amplifier to cancel out ECG artifact b. the characteristic of an amplifier that rejects external interference c. is dependent on the sampling rate d. controlled by the 60-cycle notch filter spike 10 mm, wave 6 mm correct answers >> An EEG record has three per second spike/wave discharges. Both the spike and the slow
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Ampere correct answers >> The basic unit for measuring current flow is____. a.atomic weight b.Coulomb c.Volt d.Ampere the characteristic of an amplifier that rejects external interference correct answers >> Common Mode Rejection is ____. a. the ability of an amplifier to cancel out ECG artifact b. the characteristic of an amplifier that rejects external interference c. is dependent on the sampling rate
d. controlled by the 60-cycle notch filter spike 10 mm, wave 6 mm correct answers >> An EEG record has three per second spike/wave discharges. Both the spike and the slow wave have voltages of 100 μV. If this discharge is recorded with a low frequency filter of 5 Hz and a sensitivity of 10 μV/mm, what would be the deflection of the spike and the wave? a. spike 10 mm, wave 6 mm b. spike 6 mm, wave 10 mm c. spike 10mm, wave 10 mm d. spike 6 mm, wave 6 mm Between 25 and 35 mm horizontal scaling and a minimum of 128 data points /second to accurately display EEG on the monitor screen (10-sec page). correct answers >> According to ACNS Guidelines, Recording Clinical EEG on Digital Media requires monitors to have _____. a. Between 25 and 35 mm horizontal scaling and a maximum of 1000 data points/second to accurately display EEG on the monitor screen.
c. Serial, paradoxical, and US d. Serial, parallel and USB opposition to alternating current flow correct answers >> Which of the following is not related to measuring electrode resistance? a. opposition to direct current flow b. measurement while the electrode is unattached to the scalp c. measurement with an ohmmeter d. opposition to alternating current flow T1 or F9 correct answers >> The electrode site that is located 1 cm above, one third the distance out from the left external auditory meatus toward the left outer canthus is called ____. a. T1 or F b. F7 or F c. F d. LOC
100, 10,000 correct answers >> When recording for ECI, interelectrode impedances should be at least ____ ohms, but less than ____ ohms. a. 10, 1000 b. 100, 10, c. 500, 5000 d. 1,000, 10, frontal and parietal lobes correct answers >> The central sulcus (fissure of Rolando) demarcates the ____. a. left and right hemispheres. b. frontal and parietal lobes c. frontal and temporal lobes d. parietal and occipital lobes is the major sensory nerve of the face correct answers >> The trigeminal nerve ____. a. permits eye movement b. aids in swallowing c. is the major sensory nerve of the face d. permits tongue movement
b. opening at the base of he skull c. opening between the ventricles of the heart d. opening between the third ventricle and the fourth ventricle of the brain 50-100 mV with the inside of the cell more negative than the outside correct answers >> The resting potential of a neuron is ____. a. 50-100 mV with the inside of the cell more negative than the outside b. 50-100 mV with the inside of the cell more positive than the outside. c. 50-100 μV with the inside of the cell more positive than the outside d. 50-100 μV with the inside of the cell more negative than the outside. medulloblastoma correct answers >> A malignant tumor primarily seen in children may be ____. a. pituitary tumor b. medulloblastoma c. acoustic neuroma
d. astrocytoma Huntington's chorea correct answers >> The "dance-like" movements of the head and extremities may be exhibited in a patient with which hereditary degenerative disease? a. Parkinson's disease b. Multiple sclerosis c. Pick's disease d. Huntington's chorea Phenylketonuria correct answers >> Without dietetic treatment, this hereditary disease may cause mental retardation and infantile spasms. a. Down's syndrome b. Phenylketonuria c. Tay-Sach's disease d. Sturge-Weber's disease third correct answers >> Herniation of the uncus results in compression of which cranial nerve? a. first b. third
c. reading and writing d. smelling and tasting locked-in syndrome correct answers >> What term is used to describe brainstem injury in a patient who is completely paralyzed except for vertical eye movements? a. contrecoup b. alpha coma c. locked-in syndrome d. diffuse brainstem dysfunction syndrome cerebral spinal fluid correct answers >> The term "xanthochromic" is usually used in reference to ____. a. cerebral spinal fluid b. dysmorphic features c. ventricular size d. nerve conduction time involuntary twitching of muscle fibers correct answers >> Fasciculation refers to ____. a. abnormal sensation
b. quick repetitive speech c. involuntary twitching of muscle fibers d. lacking fine motor skills speech dominance correct answers >> Wada testing is done to determine ____. a. balance b. hearing c. vision d. speech dominance visualizing the metabolism of the brain correct answers >> Positron emission tomography (PET) is used for ____. a. treatment of leukemia b. visualizing the metabolism of the brain c. visualizing the ventricular system d. treatment of spinal injuries brainstem auditory evoked potential correct answers >> This test is useful in the diagnosis of multiple sclerosis, pontine angle tumors, coma and brain death.
High voltage delta activity correct answers >> Which of the following is not a characteristic of REM sleep? a. low voltage mixed frequency EEG activity b. reduced EMG activity c. saw tooth waves d. High voltage delta activity persistent focal alpha frequency activity correct answers >> Which of the following would not be considered a normal EEG pattern for a full term infant? a. trace′ alternant b. isolated frontal sharp waves c. persistent focal alpha frequency activity d. beta-delta complexes in quiet sleep the infusion pump apparatus correct answers >> A recommended method of monitoring infusion motor artifact from intravenous (IV) infusion pumps is the place two electrodes on ____. a. the IV tubing b. the infusion pump apparatus c. the outer surface of the patient's hand
d. the chest during Stage I sleep correct answers >> Interictal discharges in patients with complex partial seizures are most likely to be recorded in the EEG ____. a. during the waking record. b. during photic stimulation c. during Stage I sleep d. during REM sleep generalized epilepsies and syndromes correct answers >> The International Classification of Epilepsies and Epileptic Syndromes places juvenile myoclonic epilepsy under what category? a. localization-related epilepsies b. generalized epilepsies and syndromes c. special syndromes d. epilepsies and syndromes undetermined as to whether they are focal or generalized complex partial seizures correct answers >> The use of nasopharyngeal or T1/T2 aka F9/F10 electrodes are most
delta activity maximal over the frontotemporal area of affected hemisphere correct answers >> Intracerebral hemorrhage from the middle cerebral artery would most likely produce an EEG finding of ____. a. periodic bursts of high amplitude theta activity over the ipsilateral hemisphere. b. delta activity maximal over the frontotemporal area of affected hemisphere c. spike and wave complexes over the affected hemisphere d. alpha coma left frontal focal spike activity correct answers >> A diagnosis of an astrocytoma in the left frontal lobe is most likely to produce which of the following EEG findings? a. generalized polymorphic delta activity b. focal delta activity in the right hemisphere c. left frontal focal spike activity d. left frontal burst suppression polymorphic delta activity correct answers >> This type of EEG activity most often appears in association with rapidly
growing tumors such as glioblastoma multifor′me and cerebral metastatic lesions. a. polymorphic delta activity b. beta asymmetry c. spike and wave d. epileptiform discharges Hepatic encephalopathy correct answers >> The type of pattern in the illustration above is a very common finding in ____. a. Wilson's disease b. Parkinson's disease c. Hepatic encephalopathy d. Multiple sclerosis Subacute sclerosing panencephalitis correct answers >> The pattern in the illustration above, seen in a ten-year-old exhibiting progressive deterioration of mental function and myoclonic seizures, may indicate ____. a. Creutzfeldt-Jacob disease b. Subacute sclerosing panencephalitis c. Huntington's chorea
b. Wada test c. Cerebral angiogram d. To induce seizures antidepressants correct answers >> Which of the following medications can commonly cause increased theta and beta activity at therapeutic doses? a. antidepressants b. chloral hydrate c. analgesics d. antihistamines number of data points that are stored to record a signal in each second across time. correct answers >> Horizontal resolution refers to the _____. a. time constant divided by equivalent paper speed (epoch/analysis time/time base) b. amount of time required to return to the horizontal baseline c. amount of space available for storage to disk d. number of data points that are stored to record a signal in each second across time.
at least 1024 data points across the screen correct answers
The minimum requirements for a monitor to display EEG accurately are met with monitors that have ______. a. At lease 1.24 data points across the screen b. at least 10.24 data points across the screen c. at least 102.4 data points across the screen d. at least 1024 data points across the screen 10 mm, 21 correct answers >> ACNS Guidelines 2006 state that vertical scaling on digital EEG instruments should have a minimum of _____ per channel when displaying up to _____ channels. a. 10 mm, 21 b. 20 mm, 16 c. 5 mm, 18 d. 7 mm, 32 Occipital sharp waves correct answers >> In the sample below, what is the abnormality seen? a. generalized 3/sec spike and slow wave discharges
