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NCLEX-RN questions
A collection of questions from content covered on the NCLEX-RN. These questions are available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at http://creativecommons.org/licenses/by-nc-sa/3.0/us/).
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NCLEX-RN practice questions
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A collection of questions from content covered on the NCLEX-RN.
Circulatory system physiology
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Your heart sits in the middle of your chest and pumps blood from about 4 weeks after conception until the day that you die. It never stops, and over your lifetime it will pump ~175 million liters of blood. To visualize that, imagine the amount of water that falls over Niagara falls in a few minutes. Remarkable! This little pump is the size of your clenched fist and in an adult can weigh about 300 grams. Watch these videos to learn more about how the heart works, blood flow in arteries and veins, blood pressure, and lymphatics.
Circulatory system diseases
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With the heart pumping 24 hours a day, 7 days a week, it’s absolutely vital to make sure things are flowing smoothly (pun intended!). Unfortunately, this isn’t always the case, and different parts of the circulatory system can cause problems: your heart, your blood vessels, and even the fluid in your tissues and blood itself can be the issue. To further complicate things, the underlying reasons for circulatory system problems vary from your genes (nature) to your lifestyle habits (nurture). An understanding of how different diseases can affect your circulatory system is important to combat this growing problem in the world.
Respiratory system physiology
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Place your hand on your ribs and inhale deeply. You’ll notice that your chest expands and your back straightens. As this occurs, air is rushing through your windpipe and branches off to either your left or right lung. After 20 to 30 more branch points, oxygen in the air ends up in the alveoli where it diffuses into the liquid that surrounds the alveoli, and slips into the blood. This microscopic gas exchange occurs rapidly, oxygen is taken into the body and carbon dioxide is removed from the body, and then you exhale. Learn more about the intricate and fascinating respiratory system in these videos!
Respiratory system diseases
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Our lungs are composed of a bronchial tree (think of an upside down tree with millions of leaves), blood vessels bringing blood in and out, and a protein-rich fluid that forms a matrix holding everything together! If any part of this well-balanced organ isn’t working properly, a person can be left feeling short of breath. The lungs are also exposed to the outside environment, making them prone to infections. To counter infections, the lungs are lined with cells that have tiny protein bristles which wave back and forth and can literally sweep away dangerous bacteria. Learn more about diseases of the lungs and how modern medicine helps to keep them healthy!
Hematologic system diseases
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Blood is incredibly important in combating disease and the healing process after an injury. It acts as a highway for medicine, stops bleeding, fights infections, controls cells from multiplying too fast, and so much more. But things can go wrong with blood too! What if your blood couldn’t clot and stop you from bleeding, or started to clot uncontrollably? What if your red blood cells or white blood cells suddenly disappeared? Blood contains many different types of tissues doing very different jobs, making diseases of the blood produce a variety of symptoms, including continuously feeling tired and bone pain. Learn about the different blood diseases, how they are diagnosed, and the cool ways health professionals treat these conditions.
Endocrine system physiology
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When you’re nervous before an important speech, or asking someone out on a date, you might feel butterflies in your stomach. This is actually the result of your endocrine system releasing hormones! You can’t really point to any single organ as “the endocrine system”, because it’s actually a family of glands that secrete hormones into the body. Hormones seep into the blood (imagine putting a tea bag into hot water), and as the blood flows around the body, it carries with it these important hormone molecules that interact with specific target cells and organs. This signaling system helps to keep the entire body well-balanced and on the same page.
Lymphatic system physiology
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Your heart pumps roughly 20 L of blood throughout the day to your tissues. The plasma component of blood (not containing blood cells) leaks out through capillaries (the tiniest of blood vessels) and is mostly reabsorbed. However, about 3L of the plasma is left behind in fluid surrounding tissues, and it is the job of the hard-working lymphatic system to bring back this fluid to the circulatory system. The lymphatic system moves fluid in one direction, but without the force of a pump like the heart.
Immune system physiology
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Chances are, you’ve had a fever or a cough at least once in your life (unless you live in a bubble, in which case you should probably go out more!) Have you ever wondered why your body reacts this way? Your body has a deadly arsenal of weapons against microbial invaders, ranging from bacteria and viruses to protozoans and fungi. We have specialized cells that destroy foreign bodies through mechanisms such as consumption, expulsion, and degradation. You will become acquainted with the interplay of the numerous soldiers in your body’s army and how they keep you healthy!
Renal system physiology
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If you want to learn more about the renal system, then urine the right place! (Pun aside, the kidneys are about more than just making urine). Every thirty minutes, your kidneys filter the entire blood supply in your body. Imagine a dirty pool filled with algae. Placing a filter in this pool will cause the algae to be flushed out, and after a time you’ll have a clean, crisp blue pool to enjoy. Just like the filter for a pool, our kidneys filter the blood and remove toxic wastes. These paired organs are key to maintaining electrolyte and water homeostasis in your body.
Gastrointestinal system physiology
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Do you live to eat, or eat to live? Folks fall on both sides of this question, but who can deny the powerful role that food and water play in our everyday lives. If we were cars, food and water would be the gasoline. Eating keeps us moving, laughing, playing, and learning. The energy from food is carefully extracted through a process of ingestion, digestion, and absorption, and requires one long (very long!) tube with a couple of key organs (liver, pancreas) sprouting off of it. Go ahead and grab a bite to eat before we get started…
Gastrointestinal system diseases
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Muscular-skeletal system physiology
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How do our muscles work? When we decide to kick a ball or shake a leg, how do we get our bodies to do that? Which muscles do we control? Which muscles control us? Learn how our muscles work at the smallest, most cellular level. Then see how nature scales up those microscopic processes into a kick or a dance move. Finally, learn how our brain tells muscle to contract and how that helps us respond to changes in temperature or even a lion chasing us.
Nervous system physiology
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3A: The very fact that you are able to understand this sentence means that neurons in your brain (85 billion in total) are talking to each other. Neurons are the living substance of the nervous system, which extends beyond the brain to the spinal cord and peripherally, allows you to think and process, make decisions, stand up straight, maintain your heart rate, rest and digest. You will come to appreciate the structure and function of the nervous system as we delve into its anatomy and physiology, from the gray and white matter to the cerebellum to the neurons.
Integumentary system physiology
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3B: There is really more than meets the eye with skin. Yes, it does make us look nicer than a bag of bones, muscles, and organs. But it also serves other important purposes which range from guarding the body against infection to sensation to allowing for metabolism of vitamin D. We will explore the structure and function of skin from the macroscopic to the microscopic level in this tutorial.
Reproductive system physiology
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Infectious diseases
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Mental health
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KERRY GLASGOWIS HUMANITY'S LAST BEST CHANCE - Join search for Sustainaabilty's Curricula
101ways-generation.docx 101 ways education can save the world WHAT IF WE DESIGNED LIFELONG LIVELIHOOD LOEARNING SO THAT so that teachers & students, parent & communities were empowered to be ahead of 100 times more tech rather than the remnants of a system that puts macihnes and their exhausts ahead of human life and nature's renewal 2016 is arguably the first time thet educatirs became front and centre to the question that Von neummn asked journalist to mediate back in 1951- what goods will peoples do with 100 times more tech per decade? It appears that while multilaterals like the Un got used in soundbite and twittering ages to claim they valued rifghts & inclusion, pubblic goods & safety, they fotgot theirUN tech twin in Genva has been practising global connectivity since 1865, that dellow Goats of V neumnn has chiared Intellectual Cooperation in the 1920s which pervesrely became the quasi trade union Unesco- it took Abedian inspired educations in 2016 ro reunite ed and tecah as well as health and trade ; 7 decades of the UN not valuing Numenn's question at its core is quite late, but if we dare graviate UN2 aeound this digital coperation question now we give the younger half if the world a chnace especially as a billion poorest women have been synchronised to deep community human development since 1970
Dear Robert - you kindly asked for a short email so that you could see if there is a CGTN anchor in east coast who might confidentially share views with my expectation of how only Asian young women cultural movements (parenting and community depth but amplified by transparent tech in life shaping markets eg health, food, nature..) can return sustainability to all of us
three of my father's main surveys in The Economist 1962-1977 explain imo where future history will take us (and so why younger half of world need friendship/sustainable adaptation with Chinese youth -both on mainland and diaspora)
1962 consider japan approved by JF Kennedy: argued good news - 2 new economic models were emerging through japan korea south and taiwan relevant to all Asia Rising (nrxt to link the whole trading/supply chains of the far east coast down through hong kong and cross-seas at singapore)
1 rural keynsianism ie 100% productivity in village first of all food security- borlaug alumni ending starvation
2 supercity costal trade models which designed hi-tech borderless sme value chains- to build a 20 million person capital or an 8 million person superport you needed the same advances in engineering - partly why this second economic model was win-win for first time since engines begun Glasgow 1760 ; potentially able to leverage tech giant leaps 100 times ahead; the big opportunity von neumann had gifted us - knowhow action networking multiply value application unlike consuming up things
1976 entrepreneurial revolution -translated into italian by prodi - argued that future globalisation big politics big corporate would need to be triangularised by community scaled sme networks- this was both how innovation advancing human lot begins and also the only way to end poverty in the sense of 21st C being such that next girl born can thrive because every community taps in diversity/safety/ valuing child and health as conditions out of which intergenerational economic growth can spring
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in 1977 fathers survey of china - argued that there was now great hope that china had found the system designs that would empower a billion people to escape from extreme poverty but ultimately education of the one child generation (its tech for human capabilities) would be pivotal ( parallel 1977 survey looked at the futures of half the world's people ie east of iran)
best chris macrae + 1 240 316 8157 washington DC
IN MORE DETAIL TECH HUMAN EXPONENTIALS LAST CHANCE DECADE?
- we are in midst of unprecedented exponential change (dad from 1960s called death of distance) the tech legacy of von neumann (dad was his biographer due to luckily meeting him in his final years including neumann's scoping of brain science (ie ai and human i) research which he asked yale to continue in his last lecture series). Exponential risks of extinction track to mainly western top-down errors at crossroads of tech over last 60 years (as well as non transparent geonomic mapping of how to reconcile what mainly 10 white empires had monopoly done with machines 1760-1945 and embedded in finance - see eg keynes last chapter of general theory of money); so our 2020s destiny is conditioned by quite simple local time-stamped details but ones that have compounded so that root cause and consequence need exact opposite of academic silos- so I hope there are some simple mapping points we can agree sustainability and chinese anchors in particular are now urgently in the middle of
Both my father www.normanmacrae.net at the economist and I (eg co-authoring 1984 book 2025 report, retranslated to 1993 sweden's new vikings) have argued sustainability in early 21st c will depend mostly on how asians as 65% of humans advance and how von neumann (or moores law) 100 times more tech every decade from 1960s is valued by society and business.
My father (awarded Japan's Order of Rising Sun and one time scriptwriter for Prince Charles trips to Japan) had served as teen allied bomber command burma campaign - he therefore had google maps in his head 50 years ahead of most media people, and also believed the world needed peace (dad was only journalist at messina birth of EU ) ; from 1960 his Asian inclusion arguments were almost coincidental to Ezra Vogel who knew much more about Japan=China last 2000 years ( additionally cultural consciousness of silk road's eastern dynamics not golden rule of Western Whites) and peter drucker's view of organisational systems
(none of the 10 people at the economist my father had mentored continued his work past 1993- 2 key friends died early; then the web turned against education-journalism when west coast ventures got taken over by advertising/commerce instead of permitting 2 webs - one hi-trust educational; the other blah blah. sell sell .sex sell. viral trivial and hate politicking)
although i had worked mainly in the far east eg with unilever because of family responsibilities I never got to china until i started bumping into chinese female graduates at un launch of sdgs in 2015- I got in 8 visits to beijing -guided by them around tsinghua, china centre of globalisation, a chinese elder Ying Lowrey who had worked on smes in usa for 25 years but was not jack ma's biographer in 2015 just as his fintech models (taobao not alibaba) were empowering villagers integration into supply chains; there was a fantastic global edutech conference dec 2016 in Tsinghua region (also 3 briefings by Romano Prodi to students) that I attended connected with great womens education hero bangladesh's fazle abed; Abed spent much of hs last decade hosting events with chinese and other asian ambassadors; unite university graduates around sdg projects the world needed in every community but which had first been massively demonstrated in asia - if you like a version of schwarzman scholars but inclusive of places linking all deepest sustainability goals challenges
and i personally feel learnt a lot from 3 people broadcasting from cgtn you and the 2 ladies liu xin and tian wei (they always seemed to do balanced interviews even in the middle of trump's hatred campaigns), through them I also became a fan of father and daughter Jin at AIIB ; i attended korea's annual general meet 2017 of aiib; it was fascinating watching bankers for 60 countries each coming up with excuses as to why they would not lead on infrastructure investments (even though the supercity economic model depends on that)
Being a diaspora scot and a mathematician borders (managers who maximise externalisation of risks) scare me; especially rise of nationalist ones ; it is pretty clear historically that london trapped most of asia in colomisdation ; then bankrupted by world war 2 rushed to independence without the un or anyone helping redesign top-down systems ; this all crashed into bangladesh the first bottom up collaboration women lab ; ironically on health, food security, education bangladesh and chinese village women empowerment depended on sharing almost every village microfranchise between 1972 and 2000 especially on last mile health networking
in dads editing of 2025 from 1984 he had called for massive human awareness by 2001 of mans biggest risk being discrepancies in incomes and expectations of rich and poor nations; he suggested that eg public broadcast media could host a reality tv end poverty entrepreneur competition just as digital media was scaling to be as impactful as mass media
that didnt happen and pretty much every mess - reactions to 9/11, failure to do ai of epidemics as priority from 2005 instead of autonomous cars, failure to end long-term carbon investments, subprime has been rooted in the west not having either government nor big corporate systems necessary to collaboratively value Asian SDG innovations especially with 5g
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I am not smart enough to understand how to thread all the politics now going on but in the event that any cgtn journalist wants to chat especially in dc where we could meet I do not see humans preventing extinction without maximising chinese youth (particularly womens dreams); due to covid we lost plans japan had to relaunch value of female athletes - so this and other ways japan and china and korea might have regained joint consciousness look as if they are being lost- in other words both cultural and education networks (not correctly valued by gdp news headlines) may still be our best chance at asian women empowerment saving us all from extinction but that needs off the record brainstorming as I have no idea what a cgtn journalist is free to cover now that trump has turned 75% of americans into seeing china as the enemy instead of looking at what asian policies of usa hurt humans (eg afghanistan is surely a human wrong caused mostly by usa); a; being a diaspora scot i have this naive idea that we need to celebrate happiness of all peoples an stop using media to spiral hatred across nations but I expect that isnt something an anchor can host generally but for example if an anchor really loves ending covid everywhere then at least in that market she needs to want to help united peoples, transparency of deep data etc
2021 afore ye go to glasgow cop26-
please map how and why - more than 3 in 4 scots earn their livelihoods worldwide not in our homeland- that requires hi-trust as well as hi-tech to try to love all cultures and nature's diversity- until mcdonalds you could use MAC OR MC TO identify our community engaging networks THAT SCALED ROUND STARTING UP THE AGE OF HUMANS AND MACHINES OF GKASGOW UNI 1760 1 2 3 - and the microfranchises they aimed to sustain locally around each next child born - these days scots hall of fame started in 1760s around adam smith and james watt and 195 years later glasgow engineering BA fazle abed - we hope biden unites his irish community building though cop26 -ditto we hope kamalA values gandhi- public service - but understand if he or she is too busy iN DC 2021 with covid or finding which democrats or republicans or american people speak bottom-up sustainable goals teachers and enrrepreneurs -zoom with chris.macrae@yahoo.co.uk if you are curious - fanily foundation of the economist's norman macrae- explorer of whether 100 times more tehc every decade since 1945 would end poverty or prove orwell's-big brother trumps -fears correct 2025report.com est1984 or the economist's entreprenerialrevolutionstarted up 1976 with italy/franciscan romano prodi
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in time for games at cop26 glasgow nov 2021 - 260th year of machines and humans started up by smith and watt- chris.macrae@yahoo.co.uk- co-author 2025report.com, networker foundation of The Economist's Norman Macrae - 60s curricula telecommuting andjapan's capitalist belt roaders; 70s curricula entreprenurial revolution and poverty-ending rural keynesianism - library of 40 annual surveys loving win-wins between nations youth biographer john von neumann
http://plunkettlakepress.com/jvn.html
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