Alpha waves - Study guides, Class notes & Summaries

HYPERVENTILATION result - Answer-Hypocapnia: state of reduced carbon dioxide in the blood Photoparoxysmal response - Answer-EEG response to light with spikes, spike-wave discharge and/or intermittent slow waves Input impedance should be - Answer-very high According to the Guidelines, how many bits of resolution is required? - Answer-11 Which of the following is the WORST prognostic feature in the EEG of a comatose patient? - Answermonorhythmic tracing without variability SMALL SHARP SPIKES...

What info do you need to calculate sensitivity? Answer Deflection (mm) and Voltage (uV) Normal alpha in an adult should NOT be seen in the... Answer Frontal head region What disease is caused by a proteinaceous particle or prion? Answer Creutzfeldt-Jakob disease Syringomyelia is... Answer An abnormal cavity or cyst in the spinal cord Spinocerebellar degeneration Answer Friedreich's Ataxia Without dietetic treatment, this hereditary disease may cause mental retardation and infanti...

Consciousness - Answer-awareness of oneself and one's environment • late 19th century: major subject of study in psychology • early 20th century: behaviourism considered it a mere product of behaviour. • mid-late 20th century: interest in mental processes increases • currently: how does it arise from the functioning of the brain? Gerhard Roth - Answer-• He defined 2 forms of consciousness: Background Stream & Actual Stream. • He also stated that consciousness comprises many st...

First Law of Thermodynamics correct answers energy is neither created nor destroyed, may be converted from one form to another. Second Law of Thermodynamics correct answers when energy is changed from one form to another, some useful energy is degraded into lower quality energy (usually heat). Energy correct answers the ability to do work. Units of energy: joules, calories, kilocalories, British thermal units (BTUs), Kilowatt-hours (kWh) Power correct answers the rate of doing work (wor...

What is the minimum duration requirement for sleep spindles? CORRECT ANSWER .5 seconds What is a common complaint immediately following PAP titration? CORRECT ANSWER Nasal dryness and Sneezing The standard paper speed used for a sleep study is CORRECT ANSWER 10 mm/s Alpha rhythm during wake with the eyes closed is best viewed from which area of the brain? CORRECT ANSWER Occipital Which best describes the end of a period of REM? CORRECT ANSWER A sustained increase in chin EMG with slo...

Large pressure gradient between left ventricle and aorta during systole - Answer- aortic stenosis (calcification) Hyperacute transplant rejection is what type of hypersensitivty rxn - Answer- type 2 - pre existant recipient antibodies react to donor antigen acute transplant rejection is what type of hypersensitivity rxn - Answer- type 4- T cell mediated OR humoral: similar to hyperacute except antibodies form after transplant which type of transplant rejection is both type 2 and type...

At 1:00 A.M. Luis gets out of bed and begins to sleepwalk. An EEG of his brain activity is most likely to indicate the presence of: - Delta Waves At 3 o'clock in the morning, John has already slept for four hours. As long as his sleep continues, we can expect an increasing occurrence of: - REM Sleep 40 year old Lance insists that he never dreams. Research suggests that he probably: - Would report a vivid dream if he were awakened during REM sleep Nightmares occur in - REM Sleep A woman b...

When were X-rays discovered? A. 1795 B. 1890 C. 1895 D. 1901 Correct Answer C. 1895 What form of Energy are X-rays? A. Thermal B. Electromagnetic C. Magnetic Resonance D. Alpha particles Correct Answer B. Electromagnetic Does Diagnostic Medical Sonography involve Ionizing Radiation? A. Possible B. Yes C. Some D. No Correct Answer D. No What does Magnetic Resonance Imaging use to scan patients? A. Magnetic fields and beta particles B. Ionizing Radiation and Light C. ...

Pathway of Vision light -> cornea -> pupil/iris -> lens -> retina -> rods/cons -> bipolar cells -> ganglion cells -> optic nerve -> optic chiasm -> occipital lobe Cornea Clear, protective cover on the eye Pupil/iris Controls light entering the eye Lens Focuses light onto retina Fovea Best vision (cones) Rods black/white, dim light Cones Colors, bright light Bipolar cells Connects rods/cones and ganglion cells Ganglion cells opponent-processing occur...

Test Bank for Dental Radiography Principles and Techniques, 5th Edition, Joen Iannucci, Laura Howerton Table of Contents PART I. Radiation Basics 1. Radiation History 2. Radiation Physics 3. Radiation Characteristics 4. Radiation Biology 5. Radiation Protection PART II. Equipment, Film, and Processing Basics 6. Dental X-Ray Equipment 7. Dental X-Ray Film 8. Dental X-Ray Image Characteristics 9. Dental X-Ray Film Processing 10. Quality Assurance in the Dental Office PART III. Den...