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Factor Based Models Correct Answer-classification, clustering, regression. Implicitly assumed that we have a lot of factors in the final model Why limit number of factors in a model? 2 reasons Correct Answer-overfitting: when # of factors is close to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better Classical variable selection approaches Correct Answer-1. Forward selection 2. Backwards elimination 3. Stepwise regress...

Types of classification models Correct Answer-KNN SVM Types of Clustering Models Correct Answer-K-Means Clustering Types of Response Prediction Models Correct Answer-ARIMA CART Exponential Smoothing Linear Regression Logistic Regression Random Forest

Title 1 of the Americans with Disabilities Act (ADA) mandates that individuals with disabilities are: A) to be provided access to public services B) to be given opportunities for public housing C) not be discriminated against in obtaining employment D) to be provided means of telecommunication Correct Answer-Answer is C #2 Answer is D Correct Answer-Which of the following health care issues is NOT covered under the Health Insurance Portability and Accountability Act (HIPPA) ? A) Increasin...

Clarity Correct Answer- Being unambiguous and easily understood Purpose Correct Answer- The goal or objective of reasoning Concepts Correct Answer- General categories or ideas by which we interpret or classify information used in our thinking Inference Correct Answer- A logical process of drawing conclusions Precision Correct Answer- Being precise or exact Implication Correct Answer- What logically follows from reasoning Assumptions Correct Answer- Unstated or hidden beliefs that support ...

2. What is the purpose of construct validity? Correct Answer- Identify whether the assessment measures the intended concept and not an unintended variable. 3. What is the purpose of content validity in objective assessments? Correct Answer- Determine how closely the assessment represents the material that should be assessed 4. What is the purpose of criterion-related validity? Correct Answer- Measure the degree of correlation between an assessment and second assessment 6. How do you ensure...

empirical study Correct Answer- Results of verifiable evidence from a systematic collection and analysis of data that has been objectively observed, measured, and undergone experimentation. Basic research Correct Answer- research that answers fundamental questions about behavior. Applied research Correct Answer- research that investigates issues that have implications for everyday life and provides solutions to everyday problems. Basic research Correct Answer- Expands knowledge on an area ...

whose responsibility is it to comply with Government agency standards of conduct? (select the three that apply) Correct Answer-1. approving/billing officer 2. supervisor 3. agency/organization program coordinator If commercial, door-to-door shipping is not available for GPC purchase to be shipped overseas, the card holder must Correct Answer-Coordinate with a transportation service support office before initiating the transaction What are the three examples of misuse of the Government Com...

Dew point is the temperature at which Correct Answer-condensation occurs. You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is being applied. After application of the 19 coat you notice small blisters in some areas of the applied lining. Your FIRST preferred course of action is to: Correct Answer-Document the problem and advise the Contractor and Owner's representative. If a contractor is using a poorly maintained compressor to supply air for abrasive...

Dew point is the temperature at which Correct Answer-condensation occurs. You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is being applied. After application of the 19 coat you notice small blisters in some areas of the applied lining. Your FIRST preferred course of action is to: Correct Answer-Document the problem and advise the Contractor and Owner's representative. If a contractor is using a poorly maintained compressor to supply air for abrasive...

A) Stainless steel Correct Answer-Surgical instruments are made of what type of substance? A) Stainless steel B) Copper C) Silver D) Aluminum C) Sleeve Correct Answer-Which is not part of a typical surgical instrument? A) Tip B) Jaws C) Sleeve D) Finger rings A) Context Correct Answer-It is efficient to learn the names of instruments as they are in ________. A) Context B) The sterilizer C) Storage D) Pictures B) Type Correct Answer-During surgery, many surgeons identify instrument...

To ensure that the medical office has the supplies it needs, the medical assistance should establish a _____? Correct Answer-1. Reorder Point 2. Inventory control log 3. Order quantity A _____ is created containing the name, address, and phone number of both the vendor and the medical practice. It will also have a preassigned number to track the order, the quantity of items ordered, the price of the items, and the date purchased. Correct Answer-Purchase Order Periodically, the medical ass...

Which individual is at greatest risk for the development of hypertension? A. 40 year-old Caucasian nurse B. 60 year-old Asian-American shop owner C. 45 year-old African-American attorney D. 55 year-old Hispanic teacher Correct Answer-C The incidence of hypertension is greater among African-Americans than other groups in the United States. The incidence among the Hispanic population is rising. A woman, who delivered five days ago and who had been diagnosed with pregnancy induced hypertens...

An 18 month-old weighing 22 pounds is admitted to the pediatric unit with a diagnosis of dehydration. A replacement bolus of normal saline at 20 mL/kg is ordered to be administered intravenously over 40 minutes. In mL/hour, what will be the setting for the IV delivery system? Correct Answer-300 Using ratio proportion:First, convert 22 pounds to kilograms (22/2.2) = 10 kg20 mL/kg = 20 x 10 kg = 200 mL200 mL/40 minutes = x mL/60 minutes (in an hour)200 x 60 = 12000/40 = 300 mL/hrUsing dimens...

The nurse is reviewing the laboratory results for several clients. Which of the laboratory result indicates a client with partly compensated metabolic acidosis? Chloride 100 mEq/L (100 mmol/L) Sodium 130 mEq/L (130 mmol/L) Hemoglobin 15 g/dL (150 g//L) PaCO2 30 mm Hg Correct Answer-PaCO2 30 mm Hg The client is admitted to an ambulatory surgery center and undergoes a right inguinal orchiectomy. Which option is the priority before the client can be discharged to home? Able to ambulate in t...

2.4GHz Correct Answer- Frequency ranges of 802.11G/802.11B 3 Correct Answer- Non overlapping 802.11 DSSS channels in america 5GHz Correct Answer- Frequency ranges of 802.11AC/802.11A 10.X, 172.16.X-172.32.X, 192.168.X Correct Answer- Private Addresses Range 14 Correct Answer- Amount of channels implemented with 802.11 DSSS 802.11a/Wireless-A Correct Answer- wireless 5GHz - 54Mbps - *75ft* 802.11ac/Wireless-AC Correct Answer- 5GHz - *1.3Gbps* 802.11b/Wireless-B Correct Answer- wireless 2.4...

A medical assistant is collecting a urine specimen from a patient for a drug screening. Which of the following actions should the assistant take to adhere to the chain of custody for this specimen?Send the specimen to the testing laboratory on the same day as the collection. A medical assistant is preparing to collect a patient's temperature via the tympanic membrane. In which of the following locations should the assistant place the thermometer?In the ear The tympanic membrane is located ...

3 articulations of the elbow Correct Answer- Humeroulnar joint, radiohumeral joint, radioulnar joint 3 goals of interviewing cardiac patient Correct Answer- Establish a trusting and supportive relation; Offer information; Gather information 4 basic techniques Correct Answer- inspection, palpation, percussion and auscultation 4 ligaments of the knee Correct Answer- The medial collateral ligament, The lateral collateral ligament, anterior cruciate ligament, posterior cruciate ligament 5 As ...

Abdomen Correct Answer- I'll have the patient lie down for the abdominal exam. [BLANK_AUDIO] I will expose her abdomen. [BLANK_AUDIO] And I am observing the abdomen for its contours and symmetry, and there is no distortions. Now I will auscultate her bowel sounds in all four quadrants. [BLANK_AUDIO] Bowel sounds are present in all four quadrants. Now I will auscultate for any bruits. I will begin with the aortic area, which is right below the xiphoid process. [BLANK_AUDIO] Midline. [BLANK...

Absence of red reflex Correct Answer- an opacity of the lens (cataract) or, possibly, the vitreous (or even an artificial eye). Less commonly, a detached retina or, in children, a retinoblastoma may obscure this reflex. Acanthosis nigricans Correct Answer- deeply pigmented, velvety axillary skin in the axilla -associated with diabetes, obesity, PCOS, and rarely malignant paraneoplastic disorders Acromion Correct AnswerAcromion Correct Answer- tip of shoulder Acute RA Correct Answer- Tender...

32. Which of the following is true of a grade 4-intensity murmur? A) It is moderately loud. B) It can be heard with the stethoscope off the chest. C) It can be heard with the stethoscope partially off the chest. D) It is associated with a "thrill." Correct Answer- D) It is associated with a "thrill." The grade 4 murmur is differentiated from those below it by the presence of a palpable thrill. A murmur cannot be graded as a 4 unless this is present. A 7-year-old boy is performing poor...