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When you run, the CO2 level in your blood rises.  Receptors detect the increase and send a signal to your brain’s respiratory center, which doubles your breathing rate to clear out the extra CO2 .  Once you come to rest,  the elevated breathing quickly causes the blood levels of CO2 level to drop back into the normal range.  Your brain registers this change and respiratory rate goes back to normal too.  This is an example of a

When homeostasis is disturbed, an organism is more prone to 

When one atom involved in a covalent bond is more electronegative than the other, it “hogs” the electrons and results in a 

20. A client with sickle cell anemia is admitted to the hospital during a sickle cell crisis. Which of these health care provider orders should the LPN implement first?

15. The nurse is caring for a 6-month old client with inspiratory stridor, barking cough, and drooling. Which of the following should the nurse anticipate the physician to order? Select all that apply.

11. A client asks, “What is a pulmonary function test?” Which of the following would be included in the nurse’s response?

23. The nurse is providing education to a client with iron-deficiency anemia. Which statement by the client would indicate the teaching was successful?

1. Which breathing exercise would be most beneficial for clients with pulmonary disorders characterized by narrowed airways, obstructed by inflammation, excess mucous production, and loss of elastic tissue and alveoli?

21. The nurse is reading the tuberculosis skin test results for a client with a history of HIV. The site has a 15 mm area of induration with no erythema noted.  How should the nurse interpret the results?

19. A nurse is providing care to client that recently returned from a chest CT with contrast. Which statement by the client requires immediate follow up by the nurse?