Brainarium

what is the preferred fluid for resuscitation of hemorrhagic shock in the prehospital setting? - CORRECT ANSWER-lactated ringers what is the most common cause of upper airway obstruction in the trauma patient? - CORRECT ANSWER-tongue what is the preferred adjunct device for verifying placement of an ET tub in a patient with a perfusing rhythm? - CORRECT ANSWER-end-tidal CO2 monitoring what is the most important reason to maintain an open airway in the trauma patient? - CORRECT ANSWER-prev...

Prehospital providers respond to a 17-year-old male who fell through a sliding glass door and sustained a large laceration to his arm that is bleeding heavily. He is restless and diaphoretic, with a weak, thready pulse. What is the most appropriate first action? Select one: a. Apply a tourniquet b. Pack the wound with a hemostatic dressing c. Initiate intravenous access d. Apply direct pressure - CORRECT ANSWER-Apply Direct Pressure When caring for a trauma patient, a principle is wh...

The primary purpose of a robotic device designed to hold and maneuver a laparoscope is to - CORRECT ANSWER-eliminate tremor associated with operating an endoscope. Which of the following are the MOST important considerations when preventing wound infection in the surgical patient? 1. pathogen transmittal 2. portal of entry into the susceptible host 3. anesthetic options for the patient's operative process 4. invasion of the susceptible host - CORRECT ANSWER-B. 1, 2, and 4 only Which ...

The connective tissue between the patella and the tibial tuberosity in the knee facilitates quadriceps muscle contraction across the knee joint. What is the structure? - CORRECT ANSWER-Patellar Ligament The talus forms an articulation with which of the following lists of bones: - CORRECT ANSWER-Calcaneus, navicular, tibia, and calcaneus The acetabulum, or hip socket, is comprised of the fusion of which of the three bone chokes below? - CORRECT ANSWER-Pubis, ischium, and ilium The superior...

Which is an early finding in compartment syndrome? - Paralysis - Pallor - Pulselessness - Pain - CORRECT ANSWER-Pain A 29 year old male was injured in a high speed motor vehicle collision with lateral impact and intrusion into the side of a sedan. He has pale and diaphoretic skin, appears anxious, and is coughing up blood-tinged sputum. He complains of chest pain, has decreased breath sounds on the left lateral side, has crepitus on palpation of his ribs, and his jugular veins are flat....

A 20 year old male was hit in the chest with a baseball bat. He4 complains of severe pain and tenderness to the left side. He is unable to take a deep breath. Vital signs are BP 112/76, P 98, R 20 regular, and ETCO2 38mmHg. What should you do? - CORRECT ANSWER-Administer 100 mcg of Fentanyl A 13 year old male was riding on an all-terrain vehicle when he drove into a wire fence. He's sitting on the ground with a towel over his lower face. He has an open jaw fracture. What is your primary...

I'm conducting a randomized trial and it is essential that my two groups are comparable by age and gender. The best way to ensure that this happens is to: a. Randomly assign subjects to treatment groups from the whole population b. Personally choose exactly which people will be in each treatment group c. Assign all the women to the treatment group and all the men to the comparison group d. Stratify by age and gender before randomizing - CORRECT ANSWER-d. Stratify by age and gender befor...

What is screening? -allows for early detection of disease -followed by clinical diagnosis and treatment -useful if early detection will improve treatment outcomes primary type of prevention -intervention with healthy person before pathological onset of disease -goal of preventing them from ever getting disease secondary type of prevention -intervention in a person who has a disease, but is asymptomatic (preclinical). screening programs, glucose testing. tertiary type of prevention -re...

Name the disease frequency: The percentage of of freshman girls who become pregnant over the course of their high school years. cumulative incidence Name the disease frequency: The percentage of senior boys who are fathers at the time of graduation prevalence Name the disease frequency: The number of live born babies who die of sudden infant death syndrome during the first year of life per 100000 baby years of follow up incidence rate Name the disease frequency: The percentage of inf...

Which of the following can be thought of as a failure of the comparison group to reflect the counterfactual experience of the exposed group? systematic difference difference b/w groups being compared that distorts the true association b/w an exposure and dz; an *inherent characteristic of the population -occurs when the risk of dz in the unexposed group does not equal the risk of dz in the exposed group had they been unexposed which means that the difference in dz risk b/w the exposed and ...

Case control study • a solution to many cohort study limitations • a study which cases of dz are identified, and then a sample of the population that produced the cases is identified (controls) -exposures are determined and compared for individuals in each group desirable to conduct: 1. when exposure data are expensive or difficult to obtain (i.e. nested pesticide in NHS) 2. When dz has long latent period (results may take decades to emerge; i.e. cancer, CVD) 3. when dz is rare 4....

The nurse has identified a nursing diagnosis of ineffective airway clearance with bronchospasms for client with pneumonia. What nursing intervention will help to conduct refractive air clearance for a client with pneumonia? A. increase liters of humidified oxygen perfect marks B. Scheduled and PRN albuterol nebulizer bronchodilator treatment C. Handheld bronchodilator always as needed D. Prednisone via inhaler or IV to reduce the inflammation - CORRECT ANSWER-B. Scheduled and PRN albutero...

A 40 year old woman has heavy vaginal bleeding. Which of the following questions is the priority when evaluating the clients chief complaint. A. "Are you sexually active, and do you use oral contraceptive" B. "Are you feeling weak, dizzy or lightheaded?" C. Have you been using any new feminine products D. Are you having any sensations of pain or cramping? - CORRECT ANSWER-B. "Are you feeling weak, dizzy or lightheaded?" Nurse is providing education to a patient diagnosed...

A nurse is caring for a burn patient in the emergent resuscitative phase. which nursing diagnosis would be appropriate? A. Impaired physical mobility B. Fluid Volume Excess C. Activity Intolerance D. Deficient fluid volume D. Deficient fluid volume The nurse is assessing a client for HIV. The nurse identifies which of the following as a risk factor for this condition? select all that apply A. Being in a monogamous sexual relationship B. being a bisexual man C. Receiving a solid organ ...

another name for compressional name is_______ - CORRECT ANSWER-Longitudinal Wave the piezoelectric material in a search unit which vibrates to produce ultrasonic waves is called a _______ - CORRECT ANSWER-Crystal the amount of beam divergence from a crystal is primarily dependent on the __________ - CORRECT ANSWER-Frequency and Crystal Size when an ultrasonic beam passes through the interface between two dissimilar materials at an angle, a new angle of sound travel takes place in the seco...

which circuits modify the return signal from the receiving transducer into a form suitable for display on an oscilloscope or other output device - CORRECT ANSWER-Receiveramplifier which circuit generates a burst of alternating voltage that is applied to the sending transducer - CORRECT ANSWER-pulser A plan view display or recording of a part under examination is called - CORRECT ANSWER-A C-scan display 25 million cycles per second can also be stated as ______ - CORRECT ANSWER-25 MHz whic...

Burns • Most Common Types 1. Flame-related (41%) 2. Scaldings (25%) 3. Direct source contact (10%) 4. Electrical (3%) 5. Chemical contact (3%) 6. Inhalation only (3%) Burn Severity: • Age Young peds & older adults = HR morbidity & mortality • Depth Burns are classified according to DEPTH of tissue destruction. Burns: • 1˚ (Superficial) Tissues: Epidermis ONLY Recovery & Tx: Complete recovery within a few days. • 2˚ (Partial-Thickness) Tissues: Epidermis & part of th...

Chapter 1 PUBLIC HEALTH AND EPIDEMIOLOGY Disease Frequency count cases, records. It quantifies how often a disease arises in a population. Its calculation involves establishing the disease definition, counting cases (numerator), and determining the size of the underlying population (denominator) Disease Distribution who, what, when, where of the disease. It refers to the pattern of disease according to the characteristics of person (who is getting the disease?), place (where it occurs),...

Which best describes shock? - CORRECT ANSWER-Generalized inadequate tissue perfusion Your patient has a deep laceration to his antecubital fossa with significant bleeding what is the most appropriate initial action? - CORRECT ANSWER-Apply direct pressure Hypotension of an unknown etiology in a trauma patient should be assumed to result from which of the following? - CORRECT ANSWER-Blood loss Which assessment is most beneficial in differentiating hemorrhagic shock from neurogenic shock in ...

Why Data Mining? Explosive data growth (in KB, MB, GB,TB, PB, EB, and ZB) What is data mining? Knowledge discovery from data (Extraction of interesting patterns or knowledge from huge amounts of data.) Benefits of data mining Scalability and efficiency The four views of data mining Data, Application, Knowledge, Technique What are the 5Vs of Data Mining? Volume, Variety, Velocity, Veracity, Value Relational, transactional data (Data View) E.g., student records, bank accounts, store pu...