Viruses — Flashcards

Flashcard 541: _____ is the only single-stranded DNA virus

Answer: Parvovirus B19

Flashcard 542: What is the vector of West nile virus?_____

Answer: Mosquitos

Flashcard 543: Epstein-Barr Virus is part of the _____ family

Answer: herpesvirus

Flashcard 544: Which type of immunization has a long-lasting protection (memory)? _____

Answer: Active immunization

Flashcard 545: What is the second most common cause of the common cold?_____

Answer: Coronavirus

Flashcard 546: What virus is the most common cause of the common cold?_____

Answer: Rhinovirus

Flashcard 547: What type of viruses are Flaviviruses? (DNA, RNA (sense), etc.)_____

Answer: Positive sense RNA

Flashcard 548: 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 549: Antigenic _____ explains why we need a flu shot each year

Answer: drift

Flashcard 550: The segmented virus families include bunyavirus, _____, arenavirus, and reovirus

Answer: orthomyxovirus