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Exam 5: Viral Structure and Multiplication

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Question 21

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A 5-month-old female, accompanied by her parents, presents to the pediatrician's office with a fever, dry mucous membranes, labored breathing, wheezing, and a harsh cough. Rapid testing of nasal swabs reveals respiratory syncytial virus infection. The RN arranges for transport to the hospital, where she will receive intravenous fluids and oxygen therapy. -The patient's parents question which antibiotic will be given to treat their daughter's infection.You inform her that ________.

A) antibiotics target eukaryotic cells and do not work on viruses
B) antibiotics target bacterial cells and do not work on viruses
C) her daughter will be tested for antibiotic sensitivity before they are given
D) her daughter is too young to receive antibiotic therapy

E) A) and C)
F) B) and C)

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Question 22

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It is necessary to culture viruses both in vivo and in vitro so that vaccines can be developed,analysis of viral genomes can be made and viruses in clinical specimens can be identified.

A) True
B) False

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Question 23

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Viruses with ________ -sense RNA contain the correct message for translation,while viruses with ________ -sense RNA must first be converted into a correct message.

An RN is in a long-term care facility is caring for a 79-year-old female. The patient has been a resident on in the facility for the past 5 years. She has been complaining of pain, burning, and tingling on her left side. Upon further assessment, the RN observes fluid-filled blisters wrapping around the left side of her torso in a concentrated strip. The facility physician diagnoses her with shingles and orders the appropriate isolation. -Viruses contain the necessary tools to invade and control a host cell.These tools may consist of a ________.

Host cells of viruses include ________.

Infectious naked strands of RNA that affect plants are called ________.

Spikes are glycoproteins of the virus capsid.

All of the following pertain to virus envelopes except ________.

A negative-sense RNA virus ________.

A 5-month-old female, accompanied by her parents, presents to the pediatrician's office with a fever, dry mucous membranes, labored breathing, wheezing, and a harsh cough. Rapid testing of nasal swabs reveals respiratory syncytial virus infection. The RN arranges for transport to the hospital, where she will receive intravenous fluids and oxygen therapy. -If the patient receives antibiotic therapy at the hospital,the RN would expect the patient's duration of symptoms to be ________.

Lysogeny refers to ________.

A 5-month-old female, accompanied by her parents, presents to the pediatrician's office with a fever, dry mucous membranes, labored breathing, wheezing, and a harsh cough. Rapid testing of nasal swabs reveals respiratory syncytial virus infection. The RN arranges for transport to the hospital, where she will receive intravenous fluids and oxygen therapy. -What is the rationale for providing intravenous fluids and oxygen support for this patient?

Persistent viruses that can reactivate periodically are ________.

Mammalian viruses capable of starting tumors are ________.

A patient undergoing chemotherapy for cancer develops an infection with cytomegalovirus,conclusively diagnosed by the presence of "owl's eye" viral nuclear inclusions in a liver biopsy.  This is an example of a(n)  ________.

An RN in a pediatric emergency department performs a triage patient on a 13-month-old male. The patient's father states he had difficulty waking his son from a nap that afternoon. Additionally, the infant had difficulty crawling and had difficulty with feeding the following morning. The RN observes that the patient has a weak cry. Upon further assessment, the patient's father noted that the infant had ingested fresh honey on his toast at breakfast yesterday. The medical team suspects Clostridium botulinum infection due to the ingestion of bacterial endospores. -The RN anticipates that the priority intervention for this patient's care will be ________.

Two noncellular agents,smaller than viruses,are the infectious proteins called ________ and the infectious RNA strands called ________.

An RN is in a long-term care facility is caring for a 79-year-old female. The patient has been a resident on in the facility for the past 5 years. She has been complaining of pain, burning, and tingling on her left side. Upon further assessment, the RN observes fluid-filled blisters wrapping around the left side of her torso in a concentrated strip. The facility physician diagnoses her with shingles and orders the appropriate isolation. -The patient asks the RN how she contracted this viral infection since she has not come in contact with anyone with anyone infected with shingles.Which of the following statements is an appropriate response?

Which of the following occurs during assembly of an enveloped virus?

Viral spikes are inserted into the host cell membrane before budding or exocytosis.