Viruses — Flashcards

Flashcard 541: Epstein-Barr Virus is part of the _____ family

Answer: herpesvirus

Flashcard 542: What is the second most common cause of the common cold?_____

Answer: Coronavirus

Flashcard 543: Molluscum contagiosum is a _____ that causes localized skin infections.

Answer: poxvirus

Flashcard 544: What is the vector of West nile virus?_____

Answer: Mosquitos

Flashcard 545: Which type of immunization has a long-lasting protection (memory)? _____

Answer: Active immunization

Flashcard 546: Antigenic _____ explains why we need a flu shot each year

Answer: drift

Flashcard 547: Positive sense RNA viruses carry RNA that is structurally similar to _____

Answer: mRNA

Flashcard 548: The segmented virus families include bunyavirus, _____, arenavirus, and reovirus

Answer: orthomyxovirus

Flashcard 549: Which virus characteristically causes destruction of the anterior horn cells of the spinal cord, leading to asymmetric flaccid paralysis?

Answer: Poliovirus

Extra: Poliomyelitis is caused by the poliovirus (a Picornavirus). It specifically targets the lower motor neurons in the anterior horns of the spinal cord, resulting in lower motor neuron (LMN) signs such as asymmetric flaccid paralysis, muscle atrophy, fasciculations, and hyporeflexia.

Flashcard 550: Picornavirus have viral _____ which cleave the large translated polypeptide into functional viral proteins

Answer: proteases