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A 3.0 MHz Doppler ultrasound beam is used to measure flow in an artery. The returning echo shows a frequency shift of 1.8 kHz. The beam angle with respect to blood flow is 30°. The speed of sound in tissue is 1540 m/s. What is the velocity of the red blood cells?

The order reads 3000 mL of a multiple electrolyte fluid over 24 hours. You have available 20 drop factor tubing. Calculate the drops per minute. ____________ gtt/min **must be a whole number**

Order: 1,800 mL normal saline IV to infuse in 15 hours by infusion pump. _______ ml/h

A client presents with a thick, white coating to his tongue. The nurse should expect which of the following medications to be prescribed for this patient?  

A nurse is caring for a client who has a diagnosis of Myasthenia gravis. Which medication would be part of the client’s plan of care?

In the case of an overdose in a client taking neostigmine (Prostigmin), the nurse should be prepared to administer:  

What changes when light enters a new medium?

The force that a proton exerts on an electron in an atom is 1.0 × 10⁻⁷ N. How far apart are the proton and electron? The charge on an electron is -1.6 x 10⁻¹⁹ C and the charge on a proton is 1.6 x 10⁻¹⁹ C.

A teenage client is noted to have very oily skin with inflamed pustules on the entire face. The nurse should expect which of the following to be prescribed for the client?

What happens when one bulb in a series light string burns out?