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New,nonenveloped virus release occurs by ________.


A) lysis
B) budding
C) exocytosis
D) both lysis and budding
E) both budding and exocytosis

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Glycoprotein spikes are essential for mediating the release stage of the viral life cycle.

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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 viral genome is carried by ________.


A) DNA only
B) RNA only
C) both RNA and DNA
D) either DNA or RNA but not both

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Viruses that infect bacteria are specifically called ________.


A) viroids
B) prions
C) bacteriophages
D) satellite viruses
E) All of the choices infect bacteria.

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Which of the following is incorrect about prophages?


A) Present when the virus is in lysogeny
B) Formed when viral DNA enters the bacterial chromosome
C) Replicated with host DNA and passed on to progeny
D) Cause lysis of host cells
E) Occur when temperate phages enter host cells

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Virus capsids are made from subunits called ________.


A) envelopes
B) spikes
C) capsomeres
D) prophages
E) peplomers

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In general,most DNA viruses multiply in the host cell's ________,while most RNA viruses multiply in the host cell's ________.


A) nucleus; cytoplasm
B) cytoplasm; cell membrane
C) cell membrane; cytoplasm
D) cytoplasm; nucleus
E) nucleus; endoplasmic reticulum

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Viral spikes ________.


A) are present on all viruses
B) protrude from the envelope
C) block attachment between virus and host
D) are derived from host proteins
E) All of the choices are correct

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Viruses have all the following except ________.


A) definite shape
B) metabolism
C) genes
D) the ability to infect host cells
E) ultramicroscopic size

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