What is the normal flora?
A variety of microbial species found in certain areas of the human body.
A group of infectious parasites that cause diarrheal diseases.
The genetic material of bacteria housed within a true nucleus.
The protein coat surrounding the viral genome.
The Correct Answer is A
The normal flora refers to the microbial community that colonizes on the skin and mucus membrane.
Normal flora can be found in many human body sites, including the skin, respiratory tract, urinary tract, and digestive tract.
Choice B is incorrect because normal flora does not refer to a group of infectious parasites that cause diarrheal diseases.
Choice C is incorrect because normal flora does not refer to the genetic material of bacteria housed within a true nucleus.
Choice D is incorrect because normal flora does not refer to the protein coat surrounding the viral genome.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Atomic mass is very close to mass number but with some deviation in the decimal places.
Atomic mass is also known as atomic weight and is the weighted average mass of an atom of an element based on the relative natural abundance of that element’s isotopes.
The mass number, on the other hand, is a count of the total number of protons and neutrons in an atom’s nucleus.
Choice A is incorrect because atomic mass and mass number do not mean the same thing.
Choice B is incorrect because atomic mass is not always greater than mass number.
Choice C is incorrect because atomic mass and mass number are related.
Correct Answer is C
Explanation
Transcription initiation is the term used to describe the process of synthesizing RNA from a DNA template strand.
Choice A is incorrect because a complementary strand of a DNA sequence refers to the strand that is complementary to the original DNA strand.
Choice B is incorrect because replication fork formation refers to the process of separating the two strands of DNA during replication.
Choice D is incorrect because Okazaki fragment synthesis refers to the synthesis of short fragments of DNA on the lagging strand during replication.
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