1.       Which of the following is the least likely to cause an engine noise?   a. Carbon on the pistons                        b. Cracked exhaust manifold    c. Loose accessory drive belt   d. Vacuum leak 2.       A good engine should produce how much compression during a running (dynamic) compression test at idle?   a. 150–200 PSI  b. 10 0–150 PSI   c. 60–90 1.       Which of the following is the least […]

Two technicians are discussing the IAT sensor. Technician A says that the IAT sensor is more important to the operation of the engine (higher authority) than the ECT sensor. Technician B says that the PCM will add fuel if the IAT indicates that the incoming air temperature is cold. Which technician is correct?    a. Technician A only    b. Technician B only    c. Both Technicians A and […]

1.       E-diesel is diesel fuel with what additive?   a. Methanol   c. Ethanol   b. Sulfur   d. Vegetable oil 2.       Biodiesel is regular diesel fuel with vegetable oil added.   a. True   b. False 3.       B20 biodiesel has how much regular diesel fuel? a. 20% c. 80% b. 40% d. 100% 9. Most diesel fuel is what grade?   a. Grade #1   c. Grade #3   b. Grade #2  d. […]

1.       Which is a continuous monitor?   a. Fuel system monitor   c. Oxygen sensor monitor   b. EGR monitor d. Catalyst monitor 2.       DTC P0302 is a ________ .   a. Generic DTC   b. Vehicle manufacturer–specific DTC   c. Idle speed–related DTC   d. Transmission/transaxle-related DTC 3.       Global (generic) OBD-II contains some data in what format?    a. Plain English   c. Roman numerals  & 1.       Which is a continuous monitor?   a. Fuel […]

1.       When testing an ECT sensor on a vehicle, a digital multimeter can be used and the signal wire tested with the connector attached the ignition on (engine off). What setting should the technician use to test the sensor?      a. AC volts    b. DC volts     c. Ohms      d. Hz (hertz) 2.       When testing the ECT sensor with the connector disconnected, the technician should select what […]

1.       Which is not a purpose or function of the MAP sensor?     a. Measures the load on the engine     b. Measures engine speed     c. Calculates fuel delivery based on altitude     d. Helps diagnose the EGR system 2.       When measuring the output signal of a MAP sensor on a General Motors vehicle, the digital multimeter should be set to read ______________ .      a. DC V        b. […]

1.       Intake charge velocity has to be ________to prevent fuel droplet separation.   a. 25 ft per second               b. 50 ft per second   c. 100 ft per second   d. 300 ft per second 2.       The air filter restriction indicator uses what to detect when it signals to replace the filter?   a. Number of hours of engine operation   b. Number of miles or vehicle travel   c. The […]

1.       A pending code is set when a fault is detected on ________ .   a. A one-trip fault item   b. The first fault of a two-trip failure   c. The catalytic converter efficiency   d. Thermostat problem (too long to closed-loop status) 2.       Why is a communication network used? 3.       Why are the two wires twisted if used for network communications?

1.       What is the purpose of an intercooler?    a. To reduce the temperature of the air entering the engine b. To cool the turbocharger    c. To cool the engine oil on a turbocharged engine    d. To cool the exhaust before it enters the turbocharger 2.       Which type of relief valve used on a turbocharged engine is noisy?   a. Bypass valve   b. BOV   c. Dump valve   […]

1.       A module is also known as a ________ .   a. BUS   c. Terminator   b. Node   d. Resistor pack 2.       A high-speed CAN BUS communicates with a scan tool through which terminal(s)?   a. 6 and 14                   c. 7 and 15    b. 2    d. 4 and 16 3.       UART uses a(n) ________ signal that toggles 0 V.   & 1.       A module is also known as a ________ […]

1.       The sensor that most determines fuel delivery when a fuelinjected engine is first started is the ______________ . a. O2S       b. ECT sensor     c. Engine MAP sensor      d. IAT sensor 2.       What happens to the voltage measured at the ECT sensor when the thermostat opens?   a. Increases slightly   b. Increases about 1 volt    c. Decreases slightly    d. Decreases about 1 volt

1.       A P0122 DTC is retrieved using a scan tool. This DTC means ______________ .      a. The TP sensor voltage is low      b. The TP sensor could be shorted-to-ground       c. The TP sensor signal circuit could be shorted-to-ground       d. All of the above 2.       What is the relationship among atmospheric pressure, vacuum, and boost pressure in PSI?

1.       Technician A says that during a power balance test, the cylinder that causes the biggest RPM drop is the weak cylinder. Technician B says that if one spark plug wire is grounded out and the engine speed does not drop, a weak or dead cylinder is indicated. Which technician is correct?                           a. Technician A only   b. Technician B only   c. Both Technicians A and […]

1.       Technician A says that a leaking head gasket can be tested for using a chemical tester. Technician B says that leaking head gasket can be found using an exhaust gas analyzer.    a. Technician A only                      b. Technician B only    c. Both Technicians A and B    d. Neither Technician A nor B 2.       The low oil pressure warning light usually comes on  _____ 1.       Technician […]

1.       What is the MAP sensor signal voltage or frequency at idle on a typical General Motors, Chrysler, and Ford engine? 2.       What are three uses of a MAP sensor by the PCM? 3.       As the load on an engine increases, the manifold vacuum decreases and the manifold absolute pressure ______________ .      a. Increases      b. Decreases    c. Changes with barometric pressure only (altitude or weather)      […]

1.       A typical IAT or ECT sensor reads about 3,000 ohms when tested using a DMM. This resistance represents a temperature of about ______________ .     a. 40°F (40°C)      b. 70°F (20°C)     c. 120°F (50°C)      d. 284°F (140°C) 2.       What is the purpose of each of the three wires on a typical TP sensor? 3.        What all does the PCM do with the TP sensor signal […]

1.       What is the procedure to follow when checking the 5-volt reference and TP sensor ground? 2.       How can a TP sensor be diagnosed using a scan tool? 3.       Which sensor is generally considered to be the electronic accelerator pump of a fuel-injected engine?    a. O2S     b. ECT sensor   c. Engine MAP sensor         d. TP sensor

The marker that is determined using a neutralization assay is: a. HBsAg b. HBc c. Anti-HCV d. HCV

In Marx’s ideal communist society, the state a. actively promotes income equality. b. follows the doctrine of laissez faire. c. owns resources and conducts planning. d. does not exist. Karl Marx was a (an) a. nineteenth-century German philosopher. b. eighteenth-century Russian economist. c. fourteenth-century Polish banker. d. nineteenth-century Russian journalist.

An anti-P1 is suspected when an immediate spin antibody screen is positive in one cell. The ideal temperature for identification is: a. 17°C b. 25°C c. 37°C d. 42°C

Technician A says that the catalytic converter is warranted for eight years or 80,000 miles, whichever comes first. Technician B says that after replacing the catalytic converter, the old converter must be kept for possible inspection for 60 days. Which technician is correct?                   a. Technician A only    b. Technician B only     c. Both Technicians A and B     d. Neither Technician A nor B

Choose the genotype that is heterozygous for E antigen: a. rr b. r”ry c. R1R2 d. rRz

1.       A traditional, printed photograph is too small for an audience to see clearly. How would you make a photograph large enough to display? 2.       Working in a group, create a scenario in which a sales representative gives a presentation that involves at least four of the six channels of communication.

An enzyme treated panel was used with an AHG reactive antibody. Some reactions were eliminated after this testing. The antibody that was most likely eliminated was: a. anti-E b. anti-S c. anti-Lea d. anti-K

Indirect antiglobulin testing is used for: a. detection of in vivo antibody coating of red cells b. compatibility testing between recipient and donors c. reverse ABO grouping of donors d. typing Rh positive cells prior to transfusion

DTT is useful when an antibody to the ___________ antigen is suspected. a. Duffy b. Lewis c. Kidd d. Kell

A registered nurse is scheduled to give a presentation to a group of college freshmen about maintaining healthy lifestyles while in school. She plans to inform them that tanning beds can cause premature skin aging as well as increase the risk of skin cancer. As she gathers information about her audience in advance, she discovers that several of her future listeners visit tanning salons regularly. […]

An organization of cancer survivors advertised an upcoming speech by an oncologist. The title of the speech was “A Cure for Cancer.” Unsurprisingly, the title drew a big crowd for the doctor’s presentation. But if listeners were hoping for an announcement of a cure, they were disappointed because the doctor discussed research possibilities that might someday prove to be effective in fighting cancer. What would […]

A new blood group has been discovered with multiple antigens. As the discovering lab is researching the inheritance with familial studies, the technologists discover that some antigens are found together with greater frequency than was predicted based on Mendelian principles. This phenomenon is known as: a. genetic crossing over b. independent assortment c. independent segregation d. linkage disequilibrium

Nutrition Intervention Using Mr. Nelson’s 24-hour recall, outline necessary modifications you could use as a teaching too