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BIO 351 Exam 2 (50 Questions) & Answers New Update

Development - answer - progressive and continuous change that generates a complex multicellular organism from a single cell Ex: 24 hour embryo dev. Of zebra fish Transcription factors - answer - proteins that help turn specific genes "on" or "off" by binding to nearby dna -activators/repressors Enhancer/silencer - answer - groups of transcription factor binding sites -can turn a gene on/off in specific parts of the body Promoter - answer - rna polymerase/transcriptio...

Bundled NCCDR Electrical Exams With Latest Updated Solutions

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Installing nail-on device boxes, panel boards, and light fixtures in new homes are tasks performed by? - answer - residential electricians To install a raceway system without material, an electrician must be skilled in? - answer - conduit bending Why must an arcing device be contained within a special enclosure? - answer - to prevent the ignition of hazardous vapors

Under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - answer - safety shorting probe For safety, assume that any facility constructed before 1980 has? - answer - asbestos With of the following is the threshold at which a power source is considered high voltage in the context of safety? - answer - over 600v- 600volts

A circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANSWER - 500w Voltage is defined as the? - ANSWER - driving force that makes current flow in a circuit If a curcuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - ANSWER - 240 volts

Which of the following is true regarding a series circuit? - ANSWER - The current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - ANSWER - It has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - ANSWER - If a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads.

The OSHA lockout/ tagout rule ______________. - ANSWER - applies to any stored energy that could cause injury (electrical, mechanical, hydraulic, chemical, thermal, kinetic, or other) The NFPA 70E standard covers the _______________. - ANSWER - workplace hazards associated with electrical equipment Maintaining three-point contact on a ladder means that ___________. - ANSWER - at least three of the four rail points (two side rails and two feet) must be resting on a solid surface

• One volt is the potential difference between two points for which one coulomb of electricity will do one _____________ of work. - ANSWER - Joule • A (n) ____________is a quantity of electricity that is either positive or negative. - ANSWER - Nucleus • _____________ is a statement of the relationship between current, voltage, and resistance in an electrical circuit. - ANSWER - Ohm's law

• The NCCER electrical training program applies DOL standards and is a - ANSWER - four-year program • Entry into an apprenticeship program is likely to require a(n) - ANSWER - GATB Form Test • The minimum standards for the safe installation of electrical systems can be found in - ANSWER - the National Electrical Code (NEC) • OSHA standards for general industry are covered in - ANSWER - 29 CFR, Parts

• Which article of the NEC covers grounding? - ANSWER - Article 250 • What is a dropout plate? - ANSWER - Metal plate with a curve surface for cable to follow as it passes from the tray • All of the following are common service voltages in the United States Except: - ANSWER - 372/575 3-Phase, 4-wire • What does a GFCI breaker do? - ANSWER - Opens a circuit to prevent operation of an electrical device • What will happen when one or more coils in a winding are grounded? -...

NRP Exam Questions With Correct Answers Newest Solution.

What occurs during the 1st block of the NRP algorithm: Rapid evaluation? - ANSWER - This evaluation determines if the baby can stay with the mother for routine care or should be moved to RW What occurs during the 2nd block of the NRP algorithm: Airway? - ANSWER - Initial steps open the airway and support spontaneous respiration What occurs during the 3rd block of the NRP algorithm: Breathing? - ANSWER - Assist breathing with PPV if the baby is apneic, gasping or bradycardic. CPAP or oxy...

• When is the placement of endotracheal tube recommended? - ANSWER - A- HR<100 • Intubation skills be available? - ANSWER - A- In hospital and immediately available • Confirming endotracheal tube - ANSWER - C- exhaled Co2 and inc HR • Co2 detector not yellow - ANSWER - D- Low cardiac output • 8th edition cardiac monitor recommended - ANSWER - B- When alternative airway is inserted

• Alpha Radiation - ANSWER - Penetrating Ability: Least penetrating ability of the 4 types; travels approximately 1 inch in air Shielded by: A piece of paper, lightweight clothing, or outer layer of skin Type Hazard: Internal hazard - can result in a high dose to sensitive organs Major Source: Nuclear Fuel • Beta Radiation - ANSWER - Penetrating Ability: Travels a few feet in the air Shielded by: Lightweight plastic or aluminum Type Hazard: Eyes and skin are most susceptible to b...

Question Number: 699 Applied Radiation Protection For calculating dose to an organ from internal sources, the "specific effective energy" of a radionuclide is BEST described as: A) the energy given off by the radionuclide per unit of radionuclide activity. B) the energy absorbed per unit mass of the organ per unit of radionuclide activity. C) the energy absorbed per unit mass of the organ per disintegration of the radionuclide. D) the energy given off by the radionuclide per disintegr...

Question Number: 1 Fundamentals of Radiation Protection A low energy alpha detector is usually effective if the detector is distant from the source. A) 1/4 inch B) 1/2 inch C) 1 inch D) 1 1/2 inches E) 2 inches - - The correct answer is: A Low energy alpha particles can only travel less than 1/2 inch in air. Therefore, one must be closer than this to detect them. Question Number: 2 Fundamentals of Radiation Protection A sample of I-131 (half life = 8 days) is kept for 80 days, at w...

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EPPP Practice Test 5 Questions With Correct Answers New Update