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Ecology - Answer The study of the interactions of organisms with each other and with their physical environment Population - Answer All the members of the same species that live in a particular area Ecosystem - Answer A community encompasses a community population, as well as the nonliving environment Biosphere - Answer All the ecosystems (air, water, land) on Earth including there biotic communities Biotic Potential - Answer The highest possible per capita rare if inc...

Approximately how many species are there on Earth right now? Approximately what percent are animals vs. plants vs. fungi vs. unicellular organisms? How would that change if we looked at estimated species vs. described species? - Answer oThere are millions of species on Earth right now (exact ranges is estimated between 30 million to 2 billion). oAnimals: 63.5% oPlants: 14.4% oFungi: 2.9% oUnicellular: unknown on a grand scale oThese percentages would change drastically if we looked t ...

list the elements of the scientific method - Answer 1. observations 2. questions 3. hypotheses 4. predictions 5. testing (experiments) 6. conclusion explain how falsifiability is key to scientific hypotheses. - Answer -falsifiable: can be ruled out by data -a hypothesis is never proven -if false, it is rejected and no longer considered a possible answer to the original question. -if the data support the hypothesis, it will be accepted until further testing and data show other...

Theory - Answer A general set of of principles, supported by evidence, that explains some aspect of nature Facts - Answer What information is used to support a theory Morals - Answer Change with time; predominately related to religion Ethics - Answer Different matter to moral values; pertain more to scientific prudence People from all walks of life - Answer Which group should decide if technology should be implemented Protons - Answer positive charge, found in th...

Distinguish prokaryotic cells from eukaryotic cells based on their respective attributes - Answer - Both have cell membrane, cytoplasm, ribosomes, DNA and nucleus - Prokaryotic- "Bacteria", usually smaller, DNA not inside a special structure, chromosomes are circular, no membrane-bound organelles (organized, specialized structures), typically simple - Eukaryotic- DNA inside membrane bound nucleus, linear chromosomes, other membrane bound organelles, usually larger Categorize major ...

What are the differences between observational and experimental studies? Are there situations where one is more useful than the other? What kind of information can we get / conclusions can we draw from each? - Answer Observational studies (when, where, how many, how much) - shows patterns Experimental studies (changing variables in controlled environment) - demonstrates causation What is a natural experiment? How is it similar to / different from observational vs. experimental studies? ...

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Q. The following terms are associated with professional patient care. Which of the following is a professional method used for evaluating and recognizing INDIVIDUALS to ensure they meet education, practice, and national standard guidelines? - Answer A. Certification Certification is a professional method used for evaluating and recognizing INDIVIDUALS to ensure they meet education, practice, and national standard guidelines. Nurses can obtain certification in a variety of specialties, such...

The surgeon asks you to first gently supinate, then gently pronate the operative wrist of a 14-year old patient in supine position. The operative extremity is positioned at 80 degrees to the torso. Which of the following most accurately describes the movement of the operative thumb (which direction it points) as you carry out the instructions? o Thumb lateral, then back to medial. o Thumb medial, then back to lateral. o Thumb superior, then back inferior o Thumb inferior, then back to supe...

Roles and Responsibilities - Answer Surgical Instruments - Answer - Four categories of surgical instruments -Cutting instruments (Scalpels, scissors, lasers) - Hemostatic instruments (hemostatic forceps, clamps) - Retractors (Hand held, self-retaining) - Specialized Instruments (Ophthalmic, Orthopedic, Neurosurgical) Scalpel Handles/ Blades - Answer - #3 handle is most common - #4 handle used for large animal surgery - 10 and 15 blades most common blades used Electrosurg...

A complication of steep reverse Trendelenburg position is? A. Deep vein thrombosis B. Arterial compression C. Cardiac overload. D. Respiratory alkalosis - Answer A which position should be used for Posterior Colpotomy? A. Prone. B. Supine. C. Lithotomy. D. Fowler's - Answer C Which is the BEST way to prevent hypothermia in the OR? A. Forced air warming blanket. B. Warmed IV solutions. C. Warmed irrigation solution. D. Multiple layers of blankets. - Answer A ...

Who discovered that the body absorbs sutures made from animal tissues? - Answer Philip Syng Physick Which suture material is NOT absorbed but remains as a living tissue in the body? - Answer Fascia lata Space caused by separation of wound edges which have not been closely approximated by sutures is called - Answer Dead Space An interrupted suture, which is placed through tissue from one side of the wound to the other and then back through tissue again is called - Answer Matr...

Langer lines generally lie perpendicular to the direction of - Answer underlying muscle tension two electrolytes essential for normal cardiac contractions - Answer potassium and calcium The thyroid gland consists of right and left lobes joined by the - Answer isthmus The large artery that arises from the left side of the aortic arch and descends into the arm is the - Answer subclavian The arterial supply to the intestinal tract, with the exception of the stomach, duodenum...

Traffic patterns in the surgery department are designed to: - Answer Aid in preventing surgical site infections What is the principal goal of suctioning blood and body fluids from the wound? - Answer Improve wound visibility The principal goal of the surgical assistant during the surgical procedure is to: - Answer Provide exposure Which of the following characteristics of drape materials is correct - Answer Flame retardant Which of the following types of patients is at ri...

435. Which of the following nerves can be injured during a lateral lower leg fasciotomy? - Answer Superficial peroneal nerve The most reliable tendon graft for primary reconstruction of the anterior cruciate ligament is: - Answer Patellar The type of fracture that is caused by impaction of one bone upon another is: - Answer Compression Which of the following can be a cause of locking of the knee joint? - Answer Osteochondral defects 439. Which of the following types of fr...

False - Answer Stenosis is one of the final steps in the sequence of disease progression for atherosclerosis. True - Answer The central role of the urinary system is the maintenance of fluid and electrolyte balance by the kidneys True - Answer Doppler arterial pressure measurements should always be made to confirm the presence of arterial disease True - Answer Involuntary loss of urine per urethra occurs when the pressure in the bladder exceeds urethral resistance. True -...

Lymph channels run parallel to which structures? A. Nerves B. Veins C. Arteries D. Ligaments - Answer B. Veins Body temperature is regulated by the: A. Pons B. Cerebellum C. Midbrain D. Hypothalamus - Answer D. Hypothalamus Which two electrolytes are essential for normal cardiac contractions? A. Phosphate and chloride B. Magnesium and sodium C. Bicarbonate and sulfate D. Potassium and calcium - Answer D. Potassium and calcium Water constitutes what average normal pe...

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In a hospital there is an acute shortage of nurses due to retirement. What should the remaining nurses do? Select all that apply. - Answer Use patient contact time efficiently. Utilize the patient contact time professionally. The health care provider asks the certified registered nurse anesthetist (CRNA) to provide spinal anesthesia to a patient who is scheduled for a hernia operation. What is the CRNA's next step? - Answer Provide the anesthesia under the supervision of a primary h...

Autoimmune Neurologic Disorders - Answer - Multiple Sclerosis (MS) - Myasthenia Gravis (MG) - Guillain-Barré syndrome (GBS) Multiple Sclerosis - Answer A chronic disease of the CNS marked by damage to the myelin sheath. Plaques occur in the brain and spinal cord. Symptoms of MS - Answer - FATIGUE - Numbness, tingling - Muscle spasms - Walking difficulty - Nystagmus - Urine retention - Spastic bladder - Constipation - Blurred vision - Dysarthria—slurring, low volume ...