When discussing DNA replication, which enzyme is most important?
a. RNA polymerase
b. Transfer RNA
c. Messenger RNA
d. DNA polymerase
ANS: D
DNA polymerase, not RNA polymerase, is the primary enzyme involved in replication. It adds bases to the new DNA strand and performs "proofreading" functions. Neither messenger RNA nor transfer RNA is as important to DNA replication.
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The nurse is preparing to administer medications to a client. What should the nurse assess before providing the medications?
1. Family situation 2. Dates of immunizations 3. Allergy status 4. Capillary refill
The nurse is treating a client with an anxiety disorder. The client would like to try medications to treat the disorder
Which classification of drugs is the likely first choice for this client because of its effectiveness on a wide range of symptoms and minimal abuse potential? A) Anticonvulsants B) Tricyclic antidepressants C) Antianxiety agents D) Selective serotonin reuptake inhibitors
A nurse is participating as a speaker in a public workshop on the topic of promoting mental health in young and middle-aged adults
The nurse tells the audience that age, unemployment, and lower education are risk factors associated with mental illness. A woman raises her hand and asks, "Does that mean because I only have a 10th grade education and am unemployed that I will develop a mental illness?" Which response by the nurse would be most appropriate? A) "No, not necessarily; it just means that there is an increased chance that you might." B) "Of course not; we live in a rural area, and these statistics are based on large cities." C) "Yes, I am afraid so, but with early detection, we can prevent the illness from worsening." D) "It probably does, but we have developed advanced medications to treat mental illness."