Viruses are capable of reproducing:
a. only within a host organism, usually a bacteria.
b. extremely quickly, as their nucleus enables fast celldivision
c. in large numbers, due to their internal nutrientsupply.
d. because of their ability to create highly resistant
spores.
a
Viruses are intracellular parasites, meaning that they can
only grow and reproduce within a host cell (and therefore
cannot be cultured on dead/artificial media).
You might also like to view...
Mary Jones, 85 years old, has had a cerebrovascular accident (CVA). Which of the following findings on physical examination would indicate a CVA?
a. Ptosis of both eyelids b. Facial droop c. Forward flexion of the neck d. Facial edema
A nursing student is preparing to give a pregnant woman heparin for a deep vein thrombosis (DVT). The student questions the dose, as it is higher than what the student has given to other patients. What response by the perinatal nurse is most appropriate?
A. Have the student hold the dose and double-check the order with the provider. B. Inform the student that physiological changes in pregnancy require higher doses. C. Remind the student that large doses are needed to dissolve the existing clot. D. Tells the student to administer the dose and check results of the next laboratory draw.
The charge nurse is observing a newly licensed nurse conduct an admission assessment on a client with asthma. Which action by the newly licensed nurse requires immediate intervention?
A) The newly licensed nurse is observed obtaining the pulse oximetry reading 10 minutes after the client used an albuterol inhaler. B) The newly licensed nurse is observed continuing to ask the client questions regarding history while the client demonstrates difficulty breathing and signs of respiratory impairment. C) The newly licensed nurse is observed assessing the client's thoracic wall, skin, and nail beds. D) The newly licensed nurse is observed auscultating breath sounds with a stethoscope.
When instilling eye ointment, the nurse should:
a. apply the medication from the inner canthus to the outer canthus. b. squeeze the ointment onto the surface of the eye. c. instill topical anesthetic drops before applying the eye ointment. d. apply an eye patch following instillation of ointment for all clients.