BIOL 2460- Nursing Microbiology Final Exam Review
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Define/ Understand Covalent bond, Ionic bond, Hydrogen bond
- ANSWER Covalent: Shared Electrons
Ionic: Attraction between two ions
Hydrogen: Formed between 2 polar molecules. Weak bond can
be strong with thousands of them in one place.
Know bond strengths in order. - ANSWER -Covalent- Strongest
Ionic- In the middle
Hydrogen- Weakest
Understand electronegativity is - ANSWER -A measure of the
ability of an atom
in a chemical compound to attract
electrons.
Why is an ionic bond stronger than a hydrogen bond? -
ANSWER -The bond length between an ionic bond is closer
than a hydrogen bond. The closer the
,molecules are to each other the stronger
the bond.
How substances dissolve, what type of substances can
dissolve and why? -
ANSWER --Hydrophilic substances: polar molecules or
ions, any charged
particle. (dissolves in
water)
-Hydrophobic Substances- Non-polar molecules, uncharged
substances that do
not interact with
water
-Amphipathic: Molecules that have both hydrophilic and
hydrophobic properties.
What did Holmes discover? - ANSWER --Aseptic Techniques:
showed that women became infected in the maternity ward
after examinations by physicians who had been working in the
autopsy rooms.
What did Semmelweis discover? - ANSWER --Aseptic
Techniques: showed that
women became infected in the maternity ward after
examinations by physicians
who had been working in the
autopsy rooms.
, What did Lister discover? - ANSWER -Aseptic Techniques:
-First utilize hand washing and misting operating rooms with
antiseptic chemicals_reduce microbe number
-Techniques became foundation for modern microbial control
still in use today.
What did Pasteur discover? - ANSWER --Invented
pasteurization (kills bacteria
in food and
drink)
-showed that human disease can arise from infection
What did Koch discover? - ANSWER --linked specific
microorganism with a specific disease
-established a series of proofs that verified the germ theory of
disease
-invented inoculation, isolation, media, culture maintenance,
specimen, prep.
-shoes anthrax caused by B. Anthracis
Understand the 3 properties of effective microscope - ANSWER
-1)
Magnification
2)Resolution
3) Contrast
2026 || Most Recent Exam 2026-2027 Actual Complete
Real Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed Success!!
| Newest Exam |Just Released!!
Define/ Understand Covalent bond, Ionic bond, Hydrogen bond
- ANSWER Covalent: Shared Electrons
Ionic: Attraction between two ions
Hydrogen: Formed between 2 polar molecules. Weak bond can
be strong with thousands of them in one place.
Know bond strengths in order. - ANSWER -Covalent- Strongest
Ionic- In the middle
Hydrogen- Weakest
Understand electronegativity is - ANSWER -A measure of the
ability of an atom
in a chemical compound to attract
electrons.
Why is an ionic bond stronger than a hydrogen bond? -
ANSWER -The bond length between an ionic bond is closer
than a hydrogen bond. The closer the
,molecules are to each other the stronger
the bond.
How substances dissolve, what type of substances can
dissolve and why? -
ANSWER --Hydrophilic substances: polar molecules or
ions, any charged
particle. (dissolves in
water)
-Hydrophobic Substances- Non-polar molecules, uncharged
substances that do
not interact with
water
-Amphipathic: Molecules that have both hydrophilic and
hydrophobic properties.
What did Holmes discover? - ANSWER --Aseptic Techniques:
showed that women became infected in the maternity ward
after examinations by physicians who had been working in the
autopsy rooms.
What did Semmelweis discover? - ANSWER --Aseptic
Techniques: showed that
women became infected in the maternity ward after
examinations by physicians
who had been working in the
autopsy rooms.
, What did Lister discover? - ANSWER -Aseptic Techniques:
-First utilize hand washing and misting operating rooms with
antiseptic chemicals_reduce microbe number
-Techniques became foundation for modern microbial control
still in use today.
What did Pasteur discover? - ANSWER --Invented
pasteurization (kills bacteria
in food and
drink)
-showed that human disease can arise from infection
What did Koch discover? - ANSWER --linked specific
microorganism with a specific disease
-established a series of proofs that verified the germ theory of
disease
-invented inoculation, isolation, media, culture maintenance,
specimen, prep.
-shoes anthrax caused by B. Anthracis
Understand the 3 properties of effective microscope - ANSWER
-1)
Magnification
2)Resolution
3) Contrast
