A nurse is instructing a client with left leg weakness resulting from a recent stroke on how to safely descend stairs. Which of the following instructions should the nurse provide to the client?A) Step down with the left leg first, then bring the right leg down.B) Use the right leg to step down first, followed by bringing the left leg down.C) Descend the stairs while facing sideways to maintain balance.D) Use both legs simultaneously to step down onto the stair.

A nurse is implementing infection control measures in a hospital setting. When is it especially crucial for the nurse to wash their hands for at least 20 seconds? Select all that apply A) Before and after eatingB) After using the restroomC) Before and after patient contactD) When hand are visibly soiled

A nurse is assessing a patient with a suspected pulmonary embolism. Which sign or symptom would be most indicative of this condition? A) Productive cough with green sputumB) Sudden onset of shortness of breathC) Pitting edema in the lower extremitiesD) Elevated blood pressure

A patient receiving IV fluids is complaining of pain and swelling at the infusion site. What should the nurse do first? A) Apply a warm compress to the siteB) Stop the infusion and assess the siteC) Change the IV tubingD) Notify the healthcare provider

A nurse is instructing a group of newly licensed nurses about the responsibilities organ donation and procurement involve. When the nurse explains that all clients waiting for a kidney transplant have to meet the same qualifications, the newly licensed nurses should understand that this aspect of care delivery is an example of which of the following ethical principles? A) FidelityB) AutonomyC) JusticeD) Nonmaleficence  

Can two different minerals have the same chemical formulas? Explain why or why not and give examples.

Some minerals form by precipitation from water. But there are no, or almost no, silicate minerals that for this way. Why?

What is the difference between mafic and felsic igneous rocks? Name one example of a mafic igneous rock and one example of a felsic igneous rock. List the minerals that each of them contain.

Earthquakes occur very close to Earth’s surface. None occur at great depth. The deepest may be at 300 – 400 miles depth, but none occur deeper. Why?

What is the Moho? What is the difference between the kinds of rock above and below the Moho? (The answer is different for continental and oceanic regions – answer for both.) The Moho is called a discontinuity. What does this mean? Are there any other important discontinuities within Earth? Explain.