Clinical Nursing Skills & Techniques - Ch.
9 - Medical Asepsis Exam Questions and
Answers (Latest Update 2026)
Microorganism -
correct answer ✅minuscule living bodies that cannot be seen
without a microscope
Pathogens -
correct answer ✅microorganisms that cause infection in humans
Normal Flora and Fauna -
correct answer ✅microorganisms that live on and in our bodies
performing needed functions to protect us from harmful pathogens
as well as helping to break down and digest food
Pathogenic microorganism classifications -
correct answer ✅bacteria, viruses, protozoa, fungi and helminths
Bacteria -
correct answer ✅one-celled microorganisms found virtually
everywhere, including in the human body. It is only when they
invade an area outside their normal location that problems result.
Several bacteria live in the intestines to help digest food and absorb
vitamins (they belong there) but, if introduced to urethra and
bladder will cause a urinary tract infection.
,Clinical Nursing Skills & Techniques - Ch.
9 - Medical Asepsis Exam Questions and
Answers (Latest Update 2026)
Cocci (singular coccus) -
correct answer ✅Sphere-shaped bacteria
Staphylococci -
correct answer ✅Seen as clusters and are similar to grapes in
appearance
Streptococci -
correct answer ✅Appear in chains, like a bead necklace
Diplococci -
correct answer ✅Appear in pairs, like two balls side by side
Bacilli (singular bacillus) -
correct answer ✅Rod shaped bacteria, log-like appearance and
will vary in length
Spirilla (singular spirillum) -
correct answer ✅long cells that spiral or coil, similar to a curl of
long hair
, Clinical Nursing Skills & Techniques - Ch.
9 - Medical Asepsis Exam Questions and
Answers (Latest Update 2026)
Identifying Bacteria -
correct answer ✅Under microscope involves using a dark purple
stain called Gram stain.
The slide containing the microorganism is flooded with Gram stain,
then rinsed with alcohol.
It is counterstained with safranin and then rinsed with water, when
the slide is viewed under microscope again, the bacteria will have
taken up the stain
Gram-positive organisms -
correct answer ✅Appear purple or blue
Gram-negative organisms -
correct answer ✅Appear pink or red
Rickettsia and chlamydia -
correct answer ✅types of bacteria but differ from most because
they can only reproduce inside the cells of the host, often spread
through the bites of insects, such as ticks or mites which are called
vectors
9 - Medical Asepsis Exam Questions and
Answers (Latest Update 2026)
Microorganism -
correct answer ✅minuscule living bodies that cannot be seen
without a microscope
Pathogens -
correct answer ✅microorganisms that cause infection in humans
Normal Flora and Fauna -
correct answer ✅microorganisms that live on and in our bodies
performing needed functions to protect us from harmful pathogens
as well as helping to break down and digest food
Pathogenic microorganism classifications -
correct answer ✅bacteria, viruses, protozoa, fungi and helminths
Bacteria -
correct answer ✅one-celled microorganisms found virtually
everywhere, including in the human body. It is only when they
invade an area outside their normal location that problems result.
Several bacteria live in the intestines to help digest food and absorb
vitamins (they belong there) but, if introduced to urethra and
bladder will cause a urinary tract infection.
,Clinical Nursing Skills & Techniques - Ch.
9 - Medical Asepsis Exam Questions and
Answers (Latest Update 2026)
Cocci (singular coccus) -
correct answer ✅Sphere-shaped bacteria
Staphylococci -
correct answer ✅Seen as clusters and are similar to grapes in
appearance
Streptococci -
correct answer ✅Appear in chains, like a bead necklace
Diplococci -
correct answer ✅Appear in pairs, like two balls side by side
Bacilli (singular bacillus) -
correct answer ✅Rod shaped bacteria, log-like appearance and
will vary in length
Spirilla (singular spirillum) -
correct answer ✅long cells that spiral or coil, similar to a curl of
long hair
, Clinical Nursing Skills & Techniques - Ch.
9 - Medical Asepsis Exam Questions and
Answers (Latest Update 2026)
Identifying Bacteria -
correct answer ✅Under microscope involves using a dark purple
stain called Gram stain.
The slide containing the microorganism is flooded with Gram stain,
then rinsed with alcohol.
It is counterstained with safranin and then rinsed with water, when
the slide is viewed under microscope again, the bacteria will have
taken up the stain
Gram-positive organisms -
correct answer ✅Appear purple or blue
Gram-negative organisms -
correct answer ✅Appear pink or red
Rickettsia and chlamydia -
correct answer ✅types of bacteria but differ from most because
they can only reproduce inside the cells of the host, often spread
through the bites of insects, such as ticks or mites which are called
vectors
