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**705,433 results for .test in videos**

4K Close up of pencil being used on a multiple choice test paper

00:33

Close-up of the Row of Students Writing in the Notebooks, Taking Exam. Focus of Hands with Pens. Shot on RED EPIC-W 8K Helium Cinema Camera.

00:12

Pipette with liquid inside drop water in test tubes. Close up macro.

00:14

hand with pencil taking a multiple choice test

00:18

Scantron Test Paper

00:16

TV colour bars test card screen. SMPTE Television Color Test Calibration Bars. Test card. SMPTE color bars. Graphic for footage video and 1Khz Sine Wave

00:28

Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration

00:05

Blood, research and hands of scientist in laboratory with sample for science, medical study or investigation. Healthcare, pharmaceutical and person with DNA test vial, RNA analysis and writing notes

00:09

A scientist in his laboratory holds a test tube containing DNA and is able to control the evolution of man thanks to holography. Concept of: DNA, technology, augmented reality.

00:14

Scientist in blue glove holding small vial with yellow liquid sample next to rack of test tubes in laboratory setting, 4k video

00:10

over shoulder doctor writing on a form for a blood test

00:18

Lab assistant makes urgent blood test for detection of antibodies and infections

00:29

Diabetic person performing blood sugar level test at home

00:12

Medical laboratory worker in blue gloves pouring urine samples into test tubes for clinical diagnostics and laboratory analysis in modern healthcare lab.

00:18

Scientist mixes chemicals in laboratory and holds test tube with orange liquid

00:15

Closeup of a student's notebook with notes

00:14

Woman face, blue eyes and vision focus, thinking idea and contact lenses to see, eyesight and awareness. Closeup macro on face, eyeball and optometry test stare with awake perception of human anatomy

00:11

Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test

00:28

Drop chemical fluid into laboratory test tube , science biological or chemistry research concept

00:16

Researcher conducts experiment with plant in laboratory using test tubes and equipment for scientific study on a weekday

00:08

Vintage television test pattern overlay with colorful bars and glitch effect moving vertically with hand drawn scribbles creating analog distortion seamless loop animation

00:15

scientist take test tube

00:10

Blood Sample Collection Sterile Hand With Blue Glove Holding Clear Tube Of Blood, Yellow Cap, Barcode, In Laboratory Setting With Multiple Samples

00:10

Scientist’s hand in blue nitrile glove holding a transparent test tube with liquid – close-up in laboratory environment, concept of medical research, analysis, or biotechnology

00:05

Woman scientist looking at chemicals in test tube at lab, slow motion

00:28

emergency business and technology concept icons. 4k video animation

00:10

Inserting the test sample in the sample container into the pre paid envelope ready for sending to the Bowel Cancer Screening Programme for testing.

00:25

brush line check mark animation video.

00:05

In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine

00:11

Mixed race female doctor wearing mask doing swab test on senior man at home

00:15

$Mature man receiving eye exam at an optometry clinic undergoing vision test with an autorefractor machine$

00:11

Close up with rack focus of male scientist in protective goggles and face mask looking at blood sample in test tube

00:10

A lab worker mixes a blood sample. The laboratory assistant holds a test tube with freshly collected blood and mixes it.

00:28

Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.

00:13

Scientist holding test strip and checking result

00:14

Experienced male scientist in protective eyeglasses dropping liquid chemical into test tubes on a rack while conducting experiment in the laboratory. Rack focus shot

00:17

Hands of a food scientist mixing experimental food samples in test tubes and petri dishes highlighting the scientific approach to food formulation and preservation.

00:06

Close up of a person holding a digital glucometer and test strip before measuring blood glucose level, illustrating diabetes monitoring and personal health management.

00:30

Close up of examining of test sample under the microscope in laboratory.

00:22

Scientist shows test tube with dangerous fungal mold

00:10

Please stand by screen display featuring a tv test pattern with please stand by message. Suitable for indicating waiting times in presentations. 4k looping

00:10

Scientist holding a DNA test tube while taking some notes observations in a notebook. Filmed in a lab environment. Closeup on the tube.

00:19

Scientist in a lab coat working with test tubes, shot from a low angle. The video captures a focused, blue-lit laboratory environment.

00:06

students with notebooks writing test at school

00:13

Doctor monitors a shirtless man performing an exercise stress test on a treadmill in a medical lab

00:08

Sampling blood from vein by syringe into test tube. Blood is flowing from vessel. Laboratory in hospital where assistant make biochemical analysis

00:12

Futuristic blue circuit board technology.

00:08

Evaluation or measurement concept. Student testing in exercise taking fill in exam at school or university in test room, writing document exams paper at campus classroom, education back to school idea

00:09

PCR test taking a sample from the tube coronavirus tube

00:25

Schoolboy cheating during exam in classroom

00:14

Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).

00:10

Asian mother doing blood glycemia test to her daughter for diabetes control at home - Family lifestyle, disease and medicine concept

00:07

Lab work, Doctor holds a test tube takes the test from a test tube in analysis, blood, DNA, test tube stand.

00:21

Female scientist in a blue lab coat and gloves pipetting red liquid from a test tube into a petri dish, performing an experiment under a microscope in a research lab

00:08

Scientist laboratory protection glasses test tube concept Hanta virus blood gray background showing

00:26

Teenage girl shows a strip test for pregnancy. Two lines, positive result. Teenage pregnancy.

00:13

Laboratory researcher or nurse pipets patient sample into a test tube. Genetic engineering or genetic disease screening. Cancer and drug research and science

00:10

Medical professional in blue gloves handling a feces sample test tube isolated on a white background

00:08

Soldiers observing a nuclear explosion in the desert. Atomic bomb test with a massive mushroom cloud rising on the horizon. Cold War military history and weapon testing concept

00:10

Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept

00:05

Students taking a test in a university lecture hall

00:10

Scientist holding a blood test tube in his hands wearing gloves.

00:13

Scientist hands with microscope close-up shot in the laboratory

00:13

Bright RGB color changing animated background for screen test

00:12

HIV Antibody test report 4k footage, health report, medical result, close up.

00:10

Muscular athlete with mask running on treadmill in gym for monitoring his performance. Sportsman in sports science lab measuring his performance cardio respiratory test professional athlete

00:25

Woman uses pipette to drop liquid reagent into test tubes at experiment in laboratory. Flask and microscope display scientific research and analysis

00:06

Close-up of scientist pouring blue liquid from beaker into laboratory flask, science experiment

00:07

Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine

00:16

Close-up of gloved hands holding a test tube with gas bubbles in a laboratory setting. Symbolic representation of gas experiments, helium discovery, and scientific research.

00:05

Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption

00:05

Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory

00:19

A scientist in a lab coat and gloves carefully uses a pipette to transfer blue liquid into test tubes

00:10

Pool water test kit in hands measuring ph and chlorine levels, close up of chemical analysis during private swimming pool maintenance, turquoise water background

00:22

test tubes in laboratory

00:04

Caregiver, woman and high five with old man, homecare and laughing with test results and healthcare. Happy, people and celebration for recovery, elderly patient and nurse with medical report in house

00:09

Medical test samples with swabs in laboratory clinical diagnostics

00:15

A person in blue gloves carries a rack filled with test tubes containing diverse liquids.

00:08

Opening the Bowel Cancer Screening Programme home sample test kit and taking out the contents.

00:22

Group of teen students working on laptop together. Young cheerful teenage boys and girls studying together at high school library. Friendship, communication, e-learning concept

00:14

Diabetes. Digital glucometer, apple, test strips, dumbbell, stethoscope and sneakers on blue background, closeup. Camera moving in

00:09

Blood samples in laboratory conditions and test tubes with blood closeup

00:13

Technical difficulties retro vintage tv screen test pattern broadcast. 4k video

00:10

Female doctor take blood sample from patient to test for coronavirus in hospital. Sampling plasma for treatment of covid patients. Medicines research concept and defeating dangerous covid-19 infection

00:13

4K Closeup of a woman hand checking blood sugar level with glucometer

00:07

A close-up dolly shot of a student filling in the little bubble circles of a test paper.

00:38

PH test and water analysis testing in laboratory

00:20

Medium shot of two scientists in lab coats, rubber gloves and glasses analyzing contents of test tube and writing down information on their research, tilt up

00:15

Close-up cinematic shot of an engineer in a modern laboratory, wearing clean blue nitrile gloves, carefully holding and examining several transparent glass test tubes fille

00:10

Blood test taking of a young patient man of a young woman doctor in a modern clinic room , assistant are behind of the doctor.

00:24

Walking, exam and students talking about results on university campus and share test information or paperwork together. Scholarship, education and group of young people or friends in discussion

00:08

Stressed student clutching head during a difficult exam in a classroom. Anxious young man struggling with a test while a teacher walks in the background. Academic pressure and failure concept

00:06

Close-up of the process of taking blood from the vein from man for biochemical blood testing. Preparation for blood test with by phlebotomist technician doctor in medical clinic.

00:56

A terrified young male student looks at the camera with panic while taking a difficult test in a classroom. Academic pressure and exam anxiety.

00:05

Doctor hand taking a blood sample tube from a rack with machines of analysis in the lab background, Technician holding blood tube test in the research laboratory.

00:19

Caregiver, tablet and high five with old man, homecare and people with test results and achievement. Happy, senior patient and nurse with tech for medical report, success and celebration for recovery

00:12

Retro TV test pattern please stand by screen suitable for showcasing broadcast standby or vintage television interruptions in presentations, videos, or graphics related to media and technology

00:20

the inspector checks the form and puts a a worst grade on a exam test

00:06

Asian scientist doing experiment with test tubes

00:22

Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture

00:20