How it Works
Try Naxlex NCLEX-RN (Free-Trial)

Which of the following viruses has a single-stranded DNA?

A.

Herpes simplex II

B.

Influenza virus

C.

Parvovirus

D.

Poliovirus

Answer and Explanation

The Correct Answer is C

A. Herpes simplex II: Herpesviruses are enveloped, double-stranded DNA viruses.
B. Influenza virus: Influenza viruses are segmented, negative-sense single-stranded RNA viruses (not DNA).
C. Parvovirus: Parvoviruses are small, non-enveloped viruses with single-stranded DNA genomes.
D. Poliovirus: Poliovirus is a positive-sense single-stranded RNA virus (Picornavirus), not a DNA virus.


Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Free Nursing Study Resources

Related Questions

Correct Answer is B

Explanation

A. Carbohydrate: Carbohydrates serve as energy sources and structural components but are not the predominant organic macromolecule by mass.
B. Protein: Proteins make up the largest proportion of cell organic material by mass and perform the majority of structural and functional roles.
C. Lipid: Lipids are important for membranes and energy storage but are not the predominant organic component overall.
D. None of the above: Not applicable because one of the listed categories (proteins) is the predominant organic molecule in cells.

Correct Answer is {"dropdown-group-1":"C","dropdown-group-2":"B"}

Explanation

A. Diplococcus: Refers to spherical bacteria arranged in pairs (two cells). This does not describe chains.
B. Staphylococcus, streptococcus: Staphylococcus describes clusters of cocci and Streptococcus describes chains -this choice reverses the order asked (chains - clusters).
C. Streptococcus, staphylococcus: Strepto- are chains of spherical cells and Staphylo- are clusters of spherical cells.
D. Micrococcus, diplococcus: Micrococcus is a genus of cocci (often in tetrads or irregular clusters) and diplococcus means pairs.

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

Register