Brainarium

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...

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...

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...

rnorm() r function used to generate random Normal variates with a given mean and standard deviation factor() Known as categorical/qualitative variables hist() R function for creating a histogram logical indexing indexing a given data structure based on given conditions sample() R function that chooses a sample from a vector on random per execution colMeans() function that calculates the means of the columns of a given matrix summary() function that produces numerical summaries of a...

Four types of business analytics - CORRECT ANSWER-Descriptive, Predictive, Diagnostic & Prescriptive Data Science - CORRECT ANSWER-Discipline of making data useful. Umbrella term Machine Learning - CORRECT ANSWER-Make many many decisions under uncertainty Statistics - CORRECT ANSWER-Making a few important decisions under uncertainty. Careful about protecting decision makers from coming to the wrong conclusion Analytics - CORRECT ANSWER-the science of fact-based decision making. Speed. So...

Indexes Dow Employed in his Analysis • The Railroad Average (now called The Dow Jones Transportation Average) • The Dow Jones Industrial Average Why Dow thought these two averages were so important • Together, the producers (Industrials) and shippers (Railroads) made up the critical interdependent parts of the U.S. economy • both averages confirmed each other's price trends, moves had meaning and could help identify primary market trends The most important price of the day acc...

Define what is meant by a trend in technical analysis - CORRECT ANSWER-- Uptrend is when prices reach higher peaks and higher troughs (VV for Downtrend) - Flat trend (sideways trend) is when a price trades in a range without significant underlying upward or downward movement Explain why determining the trend is important to analysts - CORRECT ANSWER-o From a technical analysts perspective "a trend is a directional movement of prices that remains in effect long enough to be identified an...

Reference: Dahlquist, Julie R., and Charles D. Kirkpatrick. Technical Analysis: The Complete Resource for Financial Market Technicians. Chapter 19. A complete Elliott wave cycle is made up of how many waves? a. 5 b. 3 c. 8 d. 13 - CORRECT ANSWER-Answer: c. 8 Reference: Dahlquist, Julie R., and Charles D. Kirkpatrick. Technical Analysis: The Complete Resource for Financial Market Technicians. Chapter 20. When analyzing long term price movements, it could be helpful to use which type of ...