Which of the following is the first of three electrical changes the myocardial cells experience?
A) Repolarization
B) Refractory period
C) Polarization
D) Depolarization
C
You might also like to view...
5 oz = __________
Fill in the blank(s) with correct word
A client plans to use oral contraceptives for birth control. Which client behavior would cause the nurse the most concern?
A) The client has several sexual partners. B) The client is being treated for bipolar disorder. C) The client smokes one-half pack of cigarettes a day. D) The client drinks two glasses of wine a day.
An infant has just been born with a myelomeningocele. The infant has been admitted to the neonatal intensivecare unit. The nursing technician is preparing an open crib for this infant. The nurse should
1. ask the technician to include warmblankets in the crib. 2. stop the technician and ask her toprepare a warmer for this infant. 3. ask the technician to place the cribin a isolation room for infection control purposes. 4. ask the technician to place a hat andwarm gown for the infant in the crib.
To decrease pollution, one must understand how pollution is produced and how it affects the environment. Which statement will best assist in beginning to understand pollution?
A) The rate of pollution is directly related to population size. B) The capacity of the environment to assimilate pollution is unlimited. C) Industrial development can assist with the elimination of pollutants. D) Movement of populations improves pollution.