Signal and system Study guides, Revision notes & Summaries

CH 2 : What is the most important rule in scuba diving? never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator assembly by pulling the collar back on the quick disconnect , unscrew the yoke knob u...

Hormone Therapy correct answer: Used to treat hormone sensitive cancers. Stops or reduces the body's ability to produce hormones. Also, substitutes chemically similar agents for the active hormones that cannot be used by the tumor. Ex: SERMS, AIs, Progesterones, Antiandrogens, LHRH. Immunomodulatory Drugs correct answer: Inhibit anti-inflammatory cytokines and exert anti-angiogenic properties. Ex: Revlimid, Thaudomide Adjuvant Therapy correct answer: The use of additional cancer treatm...

There are three types of muscle tissue found in the body. Correct! True False Question 2 2 / 2 pts Smooth and cardiac muscle tissue are both under voluntary control. True Correct! False Question 3 2 / 2 pts The lumbar plexus is part of the central nervous system. True Correct! False False- this is a peripheral nerve Question 4 2 / 2 pts A sensory signal is a signal that is sent from a muscle to the central nervous system.

Which duties can an S-95 Certificate of Fitness holder perform? - Visual Inspections Only - of fire alarm system components and smoke detectors What is the primary purpose of Fire Alarm Systems? - To warn building occupants and transmit signals indicating a fire condition to the Fire Department via central station. What is a Fire Alarm signal? - The signal initiated by a fire alarm initiating device such as a manual fire alarm pull station, smoke detector, water-flow switch, or any device i...

Code Addresses the safety of persons, property and the environment associated with the ITS cabling Installation NEC National electric code Frequency conversion chart One thousand hertz = 1KHz One million Kilohertz = 1 MHz One billion Megahertz = 1 GHz NFPA National Fire protection association AHJ Authorities having jurisdiction TIA/EIA - Telecommunications Industry association - Electronic industries alliance BICSI - Building - Industry -...

dysrhythmia aka arrhythmia - Correct answer - abnormal cardiac rhythms which can cause disturbances of: rate, rhythm, or both rate and rhythm how are dysrhythmias identified? - Correct answer Electrographic Waveform Analysis (ECG) what controls the rate and rhythm of the heartbeat? - Correct answer the heart's electrical system explain the heart's electrical system - Correct answer Each electrical signal (impulse) begins in a group of cells called the sinus node or sinoatrial (SA...

Early symptoms of organsphosphate pinioning include: - correct answer Blurred vision and headache California pesticide regulations require certain pesticide handlers to use a closed mixing system when mixing more than 1 gallon of any: - correct answer Liquid pesticide with the label signal word "Danger" or "Danger" and "Poison" with the skull and crossbones symbol When cleaning up a spilled pesticide, the absorbent material and all other contaminated materials must be put into se...

Progression: Maintenance Tech I - II Conventional Questions and Answers 100% Pass In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? Within each trunk amplifier, a portion of the downstream is fed to a bridger amplifier to boost the signal before being split and routed to the distribution branches. What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? N...

Fire Department New York S-98 Latest Update Graded A+ Alarm Notification Appliance A fire alarm system component, such as a bell, horn, speaker, light, text display or vibration device that issues an audible, tactile, and/or visual alert. Alarm Signal A signal indicating an emergency requiring immediate action, such as a signal indicative of fire. Annunciator A unit containing one or more indicator lamps, alphanumeric displays, or other equivalent means in which each indication pr...

Qualification for S98 certificate of fitness include all except - ANSWERSMust be 21 years of age If you fail the written test you will not be permitted to Retest for - ANSWERS90 days The following is an example of what type of Ceiling - ANSWERSStooped A bean is defined as a structural or non structural solid member which could jacks down into the rooms base more than _____ and is located more than _____ apart on center - ANSWERSDown more than4" and 3' apart The following are exampl...