Brainarium

3 elements needed for fire - [ANSWER] Heat, Air, Fuel 3 stages of combustion - [ANSWER] Drying, Pyrolysis, Charcoal 3 things necessary for complete combustion - [ANSWER] Temperature, Turbulence, Time amount of unburned hydrocarbons in the flue gas - [ANSWER] Smoke Density length of time smoke remains in the venting system - [ANSWER] Residence Time raise the efficiency of the wood stove and lower particulate emissions - [ANSWER] Catalytic combustors To achieve light off the catalytic unit ...

If lubricant is removed by recovery equipment during system refrigerant removal, what must be done with the lubricant? - [ANSWER] Re-install lubricant removed by the recovery equipment

Which of the following is *not* listed in the slides as a defense against RATs? A) patching B) activity monitoring C) good backups D) file baselining E) firewalls - CORRECT ANSWER-C) good backups What capability does the Pegasus malware provide? A) iPhone user lockout B) botnet control C) remote access to iPhone content D) hard drive encryption - CORRECT ANSWER-C) remote access to iPhone content What kind of malware is Ryuk? A) ransomware B) RAT C) covert channel D) spyware - CORR...

Which of the following is not a mechanism of attack according to the CAPEC Mechanism of Attack hierarchy of attack patterns? A. Engage in Deceptive Interactions, such as spoofing B. Abuse Existing Functionality, such as flooding C. Inject Unexpected Items, such as code injection D. Reverse Engineering in the Physical Security Domain of Attack - CORRECT ANSWERD. Reverse Engineering in the Physical Security Domain of Attack According to CAPEC, firmly grasping the attacker's perspecti...

Becquerels and curies are units of measurement of: a. physical size of the source b. gray per hour c. decay rate d. roentgen per hour - CORRECT ANSWER-c. decay rate Atoms that have excess energy and are unstable are known as: a. radioactive b. radioactivity c. balanced d. weighted - CORRECT ANSWER-a. radioactive Elementary particles units with a negative electrical charge and a mass approximately equal to 1/1840 that of a proton are: a. electrons b. protons c. neutrons d. valence ...

elementary particle units with a negative electrical charge and a mass approximately equal to 1/1840 that of a proton are - CORRECT ANSWER-electrons positively charged elementary particles with a mass approximately equal to 1840 times that of an electron, or 1 AMU, are known as - CORRECT ANSWER-protons unchanged elementary particles with a mass nearly equal that of a proton are called - CORRECT ANSWER-neutrons the area known as the center of an atom is called the - CORRECT ANSWER-nucleus ...

Where should a radiation monitoring device be worn for routine radiography? A. Under the apron at waist level B. Under the apron at collar level C. Outside the apron at waist level D. Outside the apron at thyroid level - CORRECT ANSWER-D. Outside the apron at thyroid level Which of the following statements describes the purpose of collimation? A. It reduces the amount of scatter B. It increases the amount of scatter C. It increases the size of the primary beam. D. It reduces the amount...

1. In the early years of radiography, what caused personnel to be exposed? A. Lack of protective equipment B. Lack of awareness of radiation hazards C. Poor regulation and oversight D. All the above 2. In what year did Marie Curie die? A. 1895 B. Late in 1898 C. 1905 D. 1934 3. Who coined the term "radioactivity"? A. Marie and Pierre Curie B. Ernest Rutherford C. Wilhelm Röntgen D. Henri Becquerel 4. In the early years of radiography (1920–1930), the maximum steel thickne...

The process by which an unstable nucleus releases energy to achieve greater stability is called - Nuclear decay [ANSWER] What charge does a neutron have? - Neutral [ANSWER] Ionization is a neutral atom acquiring charge by gaining or losing - Electrons [ANSWER] Which loses energy each time ionization occurs, has a short range, and cannot penetrate a sheet of paper - Alpha particle [ANSWER] What pathway allows isotopes to enter the body through penetrating the skin - Absorption (incorrect) ...

A parent refuses for i have radiographs taken on his/her child. The dental assistant should - CORRECT ANSWER-Inform the dentist and document Parent's refusal Incorrect horizontal angulation of the primary beam produces - CORRECT ANSWEROverlapping of proximal surfaces Where is the radiographic landmark incisive foramen usually located - CORRECT ANSWER-Maxillary anterior Cephalometric radiographs are primarily indicated to evaluate - CORRECT ANSWERJaw relationships When taking a panoramic...

National Council on Radiation Protection and Measurements - CORRECT ANSWERNCRP DOT, OSHA, EPA, NRC, ICRP, NCRP - CORRECT ANSWER-Agencies responsible for radiation safety and control 5 rems per year - CORRECT ANSWER-Occupational Dose Limit for effective dose equivalent 15 rems per year - CORRECT ANSWER-Occupational Dose Limit for Lens of the eyes 50 rems per year - CORRECT ANSWER-Occupational Dose limit for any organ or tissue .5 rem per gestation period - CORRECT ANSWER-Occupational dose...

SATA: Risk factors for bacterial infection -Diabetes Mellitus (YES) -Atopic dermatitis (YES) -Moisture (YES) -Obesity (YES) -Skin neoplasms (YES) I think its all the options

What types of shock have warm skin? Neurogenic, septic Type of shock caused by injury to the heart. S/S include: • Tachycardia • Hypotension • Crackles • Cool/clammy • Pallor • Diaphoresis • Anxiety • Confusion What type of shock is this? Cardiogenic How do we treat cardiogenic shock? Treat the cause (fluids, CABG, LVAD, etc) Type of shock caused by a decrease in blood volume. S/S include: • Decreased CO • Tachypnea • Anxiety • Decrease in UO What type...

What is sickle cell disease? It is an inherited blood disorder that causes the change in the primary structure of the hemoglobin, and it makes the cells look like sickles. What organs are primarily affected in SCD? Lungs Kidneys Brain retina Bones What does the sickle cell shape cause? vascular occlusion leading to hemolysis What is Sickle Cell Crisis? A severe, painful, acute exacerbation of RBC sickling causing a vaso-occlusive crisis What does SCC lead to? tissue Ischemia, infar...

Normal QRS Interval - CORRECT ANSWERLess than 0.12 seconds QRS Interval - CORRECT ANSWERTime for depolarization (contraction) of both ventricles (Systole) Normal ST Segment - CORRECT ANSWER- 0.12 seconds P Wave - CORRECT ANSWERTime it takes for impulse through atrium causing Atrial Depolarization Normal PR Interval - CORRECT ANSWER- 0.12-0.20 seconds PR Interval - CORRECT ANSWERdelay of AV node to allow filling of ventricles ST Segment - CORRECT ANSWERtime between ventricular depolarizat...

For patients with major burns, when should you start enteral feedings? Select one: a. A few hours after the injury has occurred b. Not until bowel sounds have returned c. After the emergent phase of the injury d. 2 to 3 days after the injury - CORRECT ANSWER-c. After the emergent phase of the injury After receiving the handoff report from the day shift charge nurse, which patient should the evening charge nurse assess first? Select one: a. Patient with meningitis complaining of photoph...

Assessment: Reviewing Orders • Checks accuracy and completeness of Physician Order including: o Patient Name o DOB o MRN # o Date and Time order was written o Provider Signature o Check medications for right dose, route, frequency, and parameter if needed (Ask proctor for parameters, write on piece of scratch paper.) Implementation: Acquiring Medications (pyxis) • Performs hand hygiene and accesses automated dispensing system for appropriate patient, verifying name, allergies, DOB...

SATA: Risk Factors for Bacterial Infection Select all that apply. • Diabetes Mellitus • Atopic dermatitis • Moisture • Obesity • Skin neoplasms All options are correct — All listed conditions compromise skin integrity or immunity, increasing infection risk.

What is included in the loss of facial muscle tone? - CORRECT ANSWER-- Sagging jaw - Difficulty speaking - Loss of gag reflex - Swallowing can become more difficult What are a few examples of patients who would be in the PCU? - CORRECT ANSWER-Patients: - Awaiting stent placement - Awaiting heart transplant - Receiving stable dose of vasoactive IV drugs - Being weaned from prolonged mechanical ventilation Alterations in ventilated & immobile clients are at an increased risk for what? - ...

What is your initial nursing intervention for a client just admitted for septic shock? - CORRECT ANSWER-OBTAIN CULTURES N.I. for shock - CORRECT ANSWER-Crystalloids + colloid fluids, blood transfusion, mechanical ventilation Vosyn (vancomycin + Zosyn) Tx for obstructive shock - CORRECT ANSWER-once stable, find and relieve obstruction. What are the stages of shock - CORRECT ANSWER-initial compensatory progressive refractory What happens during initial stage of shock? - CORRECT ANSWER-B...