Which of the following are causes of an irritable focus in the ventricles?

Potato Cylinder Experiment: There are three questions using potato cylinders. Answer the fill in the blanks and select the correct multiple choice answer for a potato cylinder soaking in a solution for 8 hrs.   A 6 cm potato cylinder is put in solution A, it expands to 7.2 cm.   Use the following choices for Part 1 and Part 2: Hypertonic, hypotonic, or isotonic.    Each question is worth 1 pt.       Part 1: What is the tonicity of solution A _________________________;   Part 2: What is the tonicity of the potato cell cytoplasm? ____________________   Part 3:  Which direction across the potato cell membrane is there a net movement of water?              a) Into            b) Out of          c) No movement

The client being discharged aftre sustaining an acute myocardial infarction is prescribed the ACE inhibitor lisinopril (Zestril). Which instructions should the nurse include when teaching about this medication?

9.  Dentist and lab technicians do not have an obligation to treat people fairly.

Casey makes sure that he introduces himself to the IT director of a company he has been interested in working for, even though the director is not familiar with Casey’s profession of market research. Why would Casey feel it was an important connection?

11.  Dentists and lab technicians are obligated to provide a workplace environment that supports respectful and collaborative relationships for all those involved.

The pairing of chromosomes along their lengths which is essential for crossing-over is referred to as

A patient who uses transdermal nitroglycerin reports having headaches. The nurse will counsel the patient to perform which action?

10.   Dentists and lab technicians have a duty to communicate truthfully.

The nurse is preparing to care for a Native-American patient who has hypertension. The nurse understands that which antihypertensive medication would be most effective in this patient?