EXAMS ( QUESTIONS AND ANSWERS)

Which of the following is a characteristic of urine that indicates adequate hydration? ANSWER pale color The functional unit of the kidney is known as the: ANSWER Nephron Vasa recta are most likely to be found around: ANSWER Loops of Henle Detrussor contraction is stimulated by? ANSWER PARAsympathetic cholinergic fibers Micturition is stimulated by: ANSWER Bladder filling Stool color is due to ANSWER Stercoblin The intrinsic enteric nervous system compon...

Describe the Bias-Variance trade off. ANSWER The bias-variance trade off relates to making your model a good balance of being fitted to the training data and being predictive of the test data. When a model is fitted too well (too complex), then it tends to lack predictive power. When a model predicts too well, it tends to not be fitted too well to the training data. Bias refers to the ability to capture the signal in the data. It is the part of the test error caused by a model that is not...

What is risk? ANSWER a situation is riskier than another when there is greater expected loss and there is a greater variance (less predictability) of outcomes. Greater risk imposes costs (reduces value). Traditional definition of risk ANSWER uncertainty concerning the occurrence of a loss Loss Exposure ANSWER any situation or circumstance in which a loss is possible, regardless of whether a loss occurs Objective Risk ANSWER the relative variation of actual loss from expe...

An agency has ten left-handers and twenty right-handers. Five individuals are chosen for a survey using simple random sampling. Calculate the probability all five have the same handedness. ANSWER 0.11 There are 97 men and 3 women in an organization. A simple random sample of 5 people is taken to form a committee. What is the probability that the committee includes all 3 women? ANSWER 6.2×10−5 A marine scientist has six ocean water samples that are evenly split between the Paci...

O ANSWER Which soil horizon is most influenced by climate? B ANSWER Which of the following levels of organization is/are correctly ordered? A) population, ecosystem, landscape, individual, interaction B) individual, population, interaction, community, ecosystem C) biosphere, landscape, individual, community, interaction D) ecosystem, landscape, region, interaction, population E) None of the choices are correct. C ANSWER Which of the following rivers would ha...

human anatomy - The study of the structures that make up the human body and how those structures relate to each other anantomical Position - The position of the human body that is used as a point of reference in anatomy. lateral - Farther from the medial plane (midline) medial - Nearer to the medial plane (midline) superficial - Nearer to the surface of the body anterior (ventral) - Nearer to the front of the body posterior (dorsal) - Nearer to the back of the body superior ...

Seed germination and development ANSWER 1. Eudicot (garden bean) 2. Monocot (corn) 1. Eudicot (garden bean) ANSWER Radicle ANSWER Hypocotyl ANSWER Foliage leaves ANSWER Cotyledon ANSWER Epicotyl ANSWER 2. Monocot (corn) ANSWER Coleoptile

allow for the display of more shades of gray *each bit can display 2^n shades of grat, 4 bits =2^4= 2 x 2 x 2 x2= 16 shades of gray ANSWER increasing the number of bits assigned to a pixel will: evaluation of gallbladder function ANSWER Ultrasound contrast media is least likely to be used in which of the following exams? IF the reflector and the sound source are moving at the same speed and direction, the doppler shift will: ANSWER Not be detected D. Filtering and compres...

Edelman Understanding Ultrasound Physics questions Is cholesterol level and longevity a. inversely related b. directly related c. unrelated ANSWER a. inversely related. cholesterol increases, lifespan decreases. Is smoking and the likelihood of cardiovascular disease a. inversely related b. directly related c. unrelated ANSWER b. directly related Are years employed and days of vacation earned per year a. inversely related b. directly related c. unrelated ANSWER b. dir...

Obligate Parasites ANSWER Must spend at least some of their life cycle on or in a host Facultative Parasites ANSWER Normally are free-living, but CAN obtain nutrients from a host Permanent parasites ANSWER Remain in or on their host once they've invaded it (ie tapeworm) Temporary parasites ANSWER Feed on, then leave their hosts (ie biting insects) Accidental parasites ANSWER Invade an organism other than their normal host (ie ticks) Hyeprparasitism ANSWER...

A client has a prescription to take guaifenesin. The nurse determines that the client understands the proper administration of this medication if the client states that he or she will perform which action? ANSWER Take the tablet with a full glass of water. The nurse is preparing to administer a dose of naloxone intravenously to a client with an opioid overdose. Which supportive medical equipment should the nurse plan to have at the client's bedside if needed? ANSWER Resuscitation e...

What is the biggest side effect of colchicine? ANSWER diarrhea How would you describe the appearance of molluscum contagiosum? ANSWER papules that are umbilicated and contain a caseous plug How do we treat a broken clavicle in an infant? ANSWER no treatment; it should heal on it's own At what week of pregnancy is the uterus palpable just above the pubic symphysis? ANSWER week 12 At what week of pregnancy is the fundus palpable halfway between the pubic symphysis an...

Snoring respirations are most rapidly managed by A. suctioning the oropharynx B. initiating assisted ventilations C. correctly positioning the head D. inserting an oropharnygeal airway ANSWER correctly positioning the head Which of the following patients would be most in need of a rapid trauma assessment? A. an awake and alert 19-year-old man with a small caliber gunshot wound to the abdomen B. A conscious 25-year-old woman who fell 12' from a roof and landed on her side C. ...

CMY2601- Assignments What drug can be smoked, snorted, injected or taken orally and its appearance varies depending on how it is used? ANSWER Methamphetamine Drugs such as alcohol, narcotics and opium are classified as .... ANSWER CNSDs Walters (1994) writes about a third variable that is less tangible and harder to identify in establishing the nexus between drugs and crime: ANSWER Contributing factors such as self-indulgence, social dissatisfaction and legal and political fac...

________ takes place when you are presenting credentials to a system to indicate exactly who you are with respect to the system ANSWER Identification _______, also called authenticators, are the pieces of information you present to the system to assert your identity ANSWER Credentials _______ is the process of verifying that the credentials presented are valid and that they do indeed belong to a user authorized to access the system. ANSWER Authentication The credentials are ...

A core goal for successful businesses is to deliver value to customers while generating long-term profits. ANSWER True Even though non-profit organizations are not in business for financial gain, they are still businesses in every other sense. ANSWER True Organizations generate long-term success by delivering unsurpassed value to their customers. ANSWER True Value is the relationship between the price of a good or a service and the benefit that the service offers to the cust...

The caller is trapped in a building fire. You are providing instructions from Panel 2b on Protocol B: Building Evacuation and Health/Life Safety. The caller responds that there are no exterior windows (that lead to the outside) in the room. What is the next PAI you should provide? ANSWER "Hold your hand against any interior wall that leads to another room." Upon recognizing a fireground communication breakdown, the EFD should: ANSWER intervene to ensure the correct message is re...

How can you observe a retrograde loop of Mars? ANSWER Over the course of a few months, the planet will appear to change directions with respect to the stars T/F An absorption spectrum appears as a continuos spectrum interrupted by a series of dark lines ANSWER True T/F The wavelengths of the emission lines produced by an element are the same as the wavelenghts of an absorption line produced by the same element ANSWER True T/F Light, radio, UV and gamma rays are all forms of ...

Many historians consider the sixties as a cultural period to last until _ - _ when Richard Nixon resigned the presidency over the _ scandal and the _ War finally came to an end. ANSWER , Watergate, Vietnam JFK, a Democratic politician, especially attuned to civil rights issues, was assassinated in the year _ ANSWER 1963 Civil Rights movement climaxed on August 28, 1963 when MLK and other civil rights leaders led a _ on _ and King delivered his I have a Dream speech. ANSWER Mar...

abuse ANSWER Any care that results in physical harm or pain, or mental anguish advance directives ANSWER a legal document that allows individuals to state what medical treatments they want in the event they become incapacitated agent ANSWER Someone who has the power or authority to act as the representative of another. civil law ANSWER Laws that focus on the legal relationships between people and the protection of a person's rights. confidentiality ANSWER Not t...