Westcott Microbiology Laboratory Practice Exam

These questions are part of the practice quiz. Start practicing

• Which statement is true about the two surface images in the comparison?
• Which image would be most representative of a microorganism used in baking?
• Which vitamin is essential for forming blood clots?
• Which genus in the following list is Synura?
• Which tube is the Maltose-containing sample used for Benedict's test?
• Which of the following best describes the behavior of Demodex mites when they crawl onto the face?
• Which statement about bilirubin in urine is accurate?
• What does this bacterial growth represent?
• Which genus in the following list is Euglena?
• Approximately what percentage of the human body is composed of minerals?
• Which of the following are steps in a urinalysis?
• In a diagram of the intestine, arrows point to which structure?
• How do cold caps help patients undergoing chemotherapy?
• What is a key difference between eukaryotic cells genetic makeup and prokaryotic genetic makeup?
• How many times does this slide pass over the heat?
• Which term describes the color combination associated with the coolest flame?
• Where do these organisms live?
• Which genus in the following list is Thecamoeba?
• Which genus is renowned for pink pigment production in nutrient tubes?
• What can be inferred about the sample origin given the response "one cannot tell"?
• What percentage of eligible bone marrow transplant patients typically find a donor?
• Which statement best describes the health effect of mustard gas exposure?
• Which description best matches the fluid mosaic model of the cell membrane?
• Scientists can go into these chambers alone.
• The medium component identified is what type of substance?
• Which liquid is applied to the slide to mix with bacteria before further processing?
• The red arrows indicate the upper border of the ________________.
• The microscopic image showing proteins in plants is named
• This process, engulfing of substances via the membrane, is known as:
• What does HLM stand for?
• Which image is best associated with the wing pattern of a butterfly?
• What is the multiplier for the amount of antibiotic in the middle area here represented by the question mark?
• The lab shown in the second video is expected to be built in how many years?
• HDL cholesterol is used to synthesize which class of signaling molecules?
• Which term would you use to label pollen produced by a dandelion?
• Basal Metabolic Rate is defined as the number of calories needed to do daily activities.
• The first approval of Casgevy in the United States occurred in which year?
• Which of the following is not typically measured by a dipstick urinalysis?
• What is the name of the genetic scissors used in this context?
• Which term refers to the fern frond structure that bears spores?
• Which term describes the process of building large molecules from smaller units?
• The _____________ makes up 3/4 of the brain's volume.
• IL-10 is described as which type of molecule?
• Which factor is essential for a successful kidney transplant?
• How many days did it take for the bacteria to mutate into this region?
• The average bacteria is ____ um in size.
• How long is all of the DNA in all of your cells?
• Approximately how much time is needed for these to solidify?
• What is the step right before replacing the lid during aseptic technique?
• Which statement about heat exposure is true?
• Which description best matches the role of IL-10 in immune responses?
• This arrow is pointing to what lovely organism?
• What is a feature of Gram-Positive bacterial cell walls?
• Which term names the hair-like structures on a bee used to collect pollen?
• Which statement describes eukaryotic cells relative to prokaryotes?
• How many Americans die every day on dialysis?
• The phospholipid head repels water.
• Which instrument is designed to transfer small volumes of liquid in microbiology experiments?
• Which tube contains DI water?
• Which statement about the gut microbiome and immunity is true?
• How many years will this lab (second video) take to build?
• Which vitamin is essential for blood coagulation?
• Demodex folliculorum is best described as a type of organism?
• People with sickle cell disease have about ____ the risk of leukemia compared to people without sickle cell.
• What direction is this slide placed when moved in the direction of the arrow?
• Which type of biochemical reactions rebuild large molecules from smaller units?
• Which statement about lentivirus in the material is true?
• Which statement about cyanobacteria is true?
• During this step, which process is occurring?
• Which image would most likely depict the early life stage of a butterfly?
• In what year was the Fat, Fiber and Cancer risk published?
• To diagnose pancreatitis, there will be a __ fold increase in lipase & amylase.
• What is the ideal glucose level of your blood?
• Benedict's reagent indicates Maltose when heated by turning which color?
• Which test tube was the first to be added to boiling water?
• Which enzyme is primarily responsible for fat digestion?
• Identify the genus of microbe that is an amoeba.
• During lactation, which tissue is actively producing milk?
• Minerals make up approximately what percent of the human body?
• Level 1 labs handle __________________.
• One molecule of glucose reacts with how many molecules of oxygen in cellular respiration?
• What objective power do you begin with when examining a slide?
• What factor most limits access to bone marrow transplantation according to the material?
• How long does Safranin need to stay on the slide to stain bacteria?
• Which part of a phospholipid is hydrophobic?
• The Alpine newt belongs to which animal class?
• The Cas9 enzyme acts as which of the following in gene editing?
• What term describes the hydrophobic part of a phospholipid?
• After preparing the mixture, the step described involves heating in which appliance?
• Arrows labeled inner and outer layers of the intestine point to which structure?
• What process is used to kill all microorganisms on surfaces?
• What pigment gives cyanobacteria their blue-green color?
• The drying step described in the process is intended to enable long-term storage.
• Approximately how old are Archaea?
• Which microbe is this growth representing?
• How many key gene edits were used in this CRISPR study?
• 1A serves as a:
• What is the main purpose of Gram staining?
• Which genus of microbe is Stentor?
• What sugar is detected by Benedict's reagent in this setup?
• Approximately what percentage of the human body is made up of carbohydrates?
• Protozoa have which characteristics?
• Which microscopic image is plant tissue?
• Lipase catalyzes the hydrolysis of which substrate?
• What is the molecule produced at the end of glycolysis that enters the next stage of respiration?
• How many of the viruses produced at St Joseph are human pathogens?
• What is the ingredient being shown here by the arrow?
• Casgevy is designed to treat how many blood disorders?
• In a microbiology lab, which instrument is used to mark slides with a wax pencil?
• In what year were the first chemotherapy drugs released?
• It is important to completely fill the circle here with the mixture of water and bacteria.
• What is the numerical value represented by the scientific notation 1 x 10^4?
• Which genus is a photosynthetic flagellate commonly found in freshwater?
• A regulatory mechanism that affects genetic activity would most directly result in which outcome?
• Which term refers to the sum of all metabolic reactions in the body?
• The second largest part of the brain is the __________.
• What is occurring at this step?
• These are filled with an inert _________ environment.
• What is the purpose of passing the slide through heat in this step?
• Which statement about cell membranes is true?
• Which microscopic image depicts self-assembling polymers?
• What organism is being stained here?
• What term describes all chemical reactions occurring in the body?
• In the dilution setup, what is the volume in milliliters of the right-hand dilution tube?
• What do we know about Archaea?
• Inside the chamber, there is ______ air pressure compared to the outside.
• Amylase is not produced by the liver.
• Which image would represent the eggs laid by butterflies?
• Protozoa commonly move using which structures?
• Which statement best describes Type II diabetes?
• What is the common nickname for psychrotrophs?
• Which term describes photosynthetic organisms that include red and green varieties?
• What is the best fuel for good gut bacteria?
• In this lab, how many cell lines are used for viral antigens, and how many viral antigens do they cover?
• Which microscopic image corresponds to urea crystals?
• Which image is most associated with a microorganism important in bread-making?
• Mustard gas exposure halts the production of blood cells in which tissue?
• How many times is the inoculation tool dipped into the test tube in this procedure?
• Which enzyme is more specific for diagnosing pancreatitis?
• Which genus is Synura?
• Which term refers to the process used to eliminate all living microorganisms?
• Which statement best describes the color combination of the coolest flame?
• Which model describes the cell membrane as a dynamic layer of lipids and proteins where components move laterally?
• Which of the following is a fungus that forms mold-like colonies?
• What is the name of a structure with a sugar side chain?
• What is the usual magnification of the ocular lens?
• Which statement best describes catabolic reactions?
• What is the water bath temperature set to in this experiment?
• Which microscopic image corresponds to copepod?
• The device shown is controlled by which physical property?
• Which of the following is a marine echinoderm?
• Of the viruses made in St Joseph, how many are human pathogens?
• Which genus name appears in the list that begins with Thur?
• When viewing an image in a microscope, it looks ______ relative to the placement on the slide.
• Which term best describes the granular material commonly found on beaches?
• Which genus is Vorticella?
• How long do these petri dishes need to stay in this closed box?
• Which microscopic image corresponds to Potato beetle?
• Which feature is characteristic of Gram-Positive bacteria?
• Which of the following is NOT listed as a step in vaccine production?
• Which image would be included in studies of particulate matter like pollen and skin flakes?
• The step 'transfer of bacteria' involves which process?
• Which microscopic image corresponds to seeds?
• Which enzyme is used to test for starch breakdown in this experiment?
• Most ______ grow best around human body temperature.
• What is the ultimate reason for serial dilutions?
• Which genus in the following list is Chlorella?
• Which genus in the following list is Vorticella?
• Genes comprise roughly what fraction of total DNA?
• The plant's annual vaccine production is on the order of which magnitude?
• What is the final dilution in this example?
• Which microscopic image would most likely show enzymes and structural proteins in plant cells?
• Which statement about mitochondrial DNA inheritance is correct?
• Which term describes the presence of air and fluid in a body cavity on imaging?
• Worldwide, approximately how many people live with sickle cell disease?
• This pink microbe likes ______ temperature.
• What term refers to free gas in the peritoneal cavity?
• Which image is used to illustrate the eggs of a butterfly?
• Stentor is a genus of microbe most accurately described as which type of organism?
• Is it necessary to flame the inoculation tool one more time before transferring bacteria from the petri dish into the test tube?
• How many people worldwide are living with sickle cell disease?
• Which statement correctly describes the order of the first two liquids in Gram staining?
• What is a key difference between eukaryotes and prokaryotes?
• You have slightly more DNA from your ______ that is stored in the __________.
• What step occurs when handling the inoculation loop after its use and before the next transfer?
• Which molecules are non-polar?
• How many drops of Amylase are added to test tube 6A?
• What are some benefits of the new technology?
• HDL, seen here are delivering the cholesterol to various organs to then build what type of molecule?
• What is added first to the A1 test tube?
• Which professionals are public health workers who investigate patterns and causes of disease and injury?
• Approximately how many base pairs does the human genome contain?
• Which reagent serves as an indicator for Maltose when heated?
• Engineers at which university developed the Robo-thread?
• Which term refers to pollen produced by a dandelion?
• Which organ primarily produces amylase?
• Which of the following steps is explicitly included as part of vaccine production?
• This salamander appears to be in the ____ cell developmental stage.
• What is a major downfall of conventional passive guidewires?
• Which option correctly identifies the notation used to express bacterial concentration in the example?
• What term describes the growth of microorganisms on a nutrient medium?
• To what is this arrow pointing?
• In a staining procedure, what is typically contained in the drop used for rinsing?
• How many ml of water are placed in this mixture?
• What type of scientist studies insects?
• Which statement best describes prokaryotic DNA?
• The microscopic image depicting crystals from urea is called
• An entomologist specializes in studying which group of organisms?
• Which immune cell is primarily responsible for presenting antigens to T cells?
• Lentivirus is older than CRISPR.
• Cell membranes protect which of the following components?
• Which tube contains only Maltose?
• Beetle eyes are which type?
• One potential bacterial benefit of horizontal gene transfer could be:
• Which substance can be used instead of agar to grow bacteria?
• The microscopic exam looks at white blood cells.
• What is the second solution typically applied after the primary stain in Gram staining?
• Approximately how many microbial species are believed to exist on Earth?
• Which components are commonly embedded in the phospholipid bilayer?
• A dipstick urinalysis is used to determine which parameter?
• Do face mites eliminate their waste?
• Which statement about predictors of the gut microbiome is true?
• Safranine stains bacterial cells a specific color. What color is produced?
• Serial dilutions are performed to ensure what outcome when plates are counted?
• Sternochetus is a genus name for which insect?
• Lipase is produced by which organ?
• What is being placed on the slide?
• Which term refers to the cluster of sporangia on a fern frond?
• Silk fibers are produced by which organism?
• Where is the extra energy of your body ultimately stored?
• Which term names the object commonly used to transfer cultures in sterile technique?
• In an experimental scenario, a central area's antibiotic level is 1000 times higher than baseline. What is the multiplier?
• Which statement best describes carbohydrates in the phospholipid bilayer?
• Which type of biochemical reactions destroy reactants and break large molecules into smaller components?
• Approximately how long did it take for the slide to dry?
• Which statement correctly describes the circle filling requirement?
• Who are the public health workers who investigate patterns and causes of disease and injury?
• When a step in aseptic technique is complete, should you immediately set down your inoculation tool?
• Which image is most commonly used to illustrate a single-celled organism involved in fermentation?
• How many types of chemotherapy drugs are available today?
• In vaccine preparation, which step is used to concentrate the antigen?
• Which organism color description is associated with pink pigment production in culture?
• Where can Methanogens thrive?
• Which statement best describes the practice of flaming the mouth of a tube before recapping it?
• What is the name of the instrument being shown by the arrow?
• Which statement about DNA length across all cells is most accurate according to the data?
• Tarantula fang is a structure used for what purpose?
• The red sea star is an example of which phylum?
• In the hydrogel image comparison, which side is coated with hydrogel?
• Total magnification of a microscope is determined by which two magnifications?
• Which image depicts the wing structure of a butterfly?
• Injury to which sites can cause an increase in amylase and lipase?
• Which genus is Chlorella?
• The 20,000 genes in the human genome make up about what percentage of total DNA?
• The time required for solidification of the prepared gel is approximately what?
• Which tube contains Amylase?
• Approximately how many vaccine doses are produced per year at the plant?
• Where do Demodex mites typically reside?
• Which macronutrient most supports growth of beneficial gut bacteria?
• Bone marrow transplants: less than what percentage of eligible patients can find a donor?
• How many drops are being added to well 1A here?
• Which combination of minerals is listed as helping harden bone and teeth?
• Which molecule helps regulate membrane fluidity in eukaryotic cells?
• What is the main source of energy for cellular respiration?
• The measles is not a preventable disease.
• What percentage of your genes are similar to your grandparents?
• The phospholipid bilayer contains which components?
• How do the 3-D portions communicate with surface-located cells?
• The inside air pressure inside the chamber is lower than outside.
• The gut microbiome helps regulate the immune system.
• How long are the plates placed in the incubator?
• What topic is discussed in the second video?
• In 2018, how many people worldwide were diagnosed with cancer?
• The tube on the right represents a _____ mL dilution tube.
• With 20 cell lines used for 50 viral antigens, this represents what level of panel breadth?
• Which image would represent a yeast cell or colony used in baking and fermentation?
• Bioprinting is the field described by the second video.
• Which microscopic image is plant tissue?
• Which image would illustrate the initial life stage in a butterfly's life cycle?
• Which step in the staining protocol is used to fix bacteria to the slide?
• What is the purpose of this step?
• What type of salamander is this?
• Which is an example of a mold?
• In urinalysis, which bilirubin level is acceptable?
• The human genome contains approximately how many base pairs?
• What is the next step?
• How many legs does this organism possess?
• Which image would you expect to see when discussing allergen particles including pollen and skin debris?
• The lab's annual vaccine output is approximately 1 billion doses. Which statement is true about this output?
• To locate an image, it is best to use what power initially?
• Which molecule is a sterol component of membranes?
• How will these plates be labeled?
• Which term describes the largest part of the brain?
• Which statement correctly explains why omega-3 and omega-6 fatty acids are considered essential?
• Which term describes a component that controls the flow of liquids in a system?
• Excess glucose is stored as:
• During transfer steps in the protocol, what is being transferred?
• Which microbe is shown in the microscopic image?
• Which gas creates an inert environment in the laboratory chamber?
• Which enzyme is the core component of the gene-editing system used by Casgevy?
• The ovary of Drosophila is?
• Which gas is used to create an inert environment in the chamber?
• What is the name of the molecule formed at the end of glycolysis that enters the mitochondria for further oxidation?
• Which of the following is a pine needle?
• 1 gram of DNA can hold about ______ of data.
• What unit is used to express the average size of bacteria in this material?
• Which microscopic image is plant tissue?
• The cell described as having a suppressive action against other cells is most consistent with which function?
• Cancer cells and bone marrow both share which characteristic?
• Which brain region relays sensory information to the cortex?
• How much is being measured from each test tube?
• In staining protocols, which liquid is typically used for rinsing slides and is free from contaminants?
• Which instrument is used to transfer microorganisms under sterile conditions?
• Which statement best describes the number of genes in the human genome?
• Where Extremophiles thrive?
• The pinkish tube is growing with which microbe?
• What do mites do when they crawl out on your face?
• Which statement best captures the main aim of Gram staining in this context?
• Which image would be used to illustrate microscopic particles that cause allergies?
• In labeling radiographs, what does an arrow pointing to the air-fluid level indicate?
• Which image would be associated with the external features of a butterfly used for species identification?
• What is the first dye used in the Gram staining procedure?
• From which sample is this?
• Which microscopic image corresponds to proteins in plants?
• In a signaling assay, the colors indicate what?
• Which microscopic image corresponds to Tuckerella spp?
• The non-coding DNA is not functional.
• What is the purpose of this step?
• Glycogen is the storage form of glucose in which organisms?
• Which statement best describes the reason for the step described as achieving a homogeneous suspension?
• What is the primary energy-storage molecule found in adipose tissue?
• Why are omega-3 and omega-6 fatty acids considered essential?
• Which image is most closely tied to the structure that enables flight in butterflies?
• Which genus is a microbe belonging to a resilient micro-animal often called a water bear?
• Nutrients are typically categorized into how many major groups?
• Which term describes compounds with multiple phenolic units?
• One potential bacterial benefit of horizontal gene transfer could be:
• Extremophiles are organisms that thrive in extreme conditions; one example is high temperatures. Which option reflects that statement?
• In what year was the first CRISPR Casgevy approved in the USA?
• The thalamus is located in the __________.
• Which microscopic image corresponds to house eye fly?
• Which molecule is cholesterol?
• Those entering the patients' rooms must enter and exit through the same door.
• Which statement best describes the gene-editing technology discussed in relation to Casgevy?
• Which term describes the DNA that is inherited specifically from the mother and located in mitochondria?