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734,287 results for test in videos

4K Close up of pencil being used on a multiple choice test paper
00:33
HD
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
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over shoulder doctor writing on a form for a blood test
00:18
HD
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Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration
00:05
HD
Scantron Test Paper
00:16
HD
Tilting down slowly to a Covid 19 positive antigen test on a wooden table 23.98 fps
00:10
HD
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
HD
hand with pencil taking a multiple choice test
00:18
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Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
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Laboratory worker with blood sample in test tube at table indoors, closeup
00:06
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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
HD
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
HD
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
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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
HD
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
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Nurse puts a bar code on a test tube with a blood test
00:11
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after the test, the doctor puts the blood tests in a pallet
00:06
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Retro analog television test pattern with color bars and please stand by text featuring static noise.
00:10
HD
Athletic male cyclist with an oxygen mask and electrodes connected to his chest performing a cardiopulmonary exercise test on a stationary bike to measure his physical performance and endurance
00:10
HD
Unrecognizable man walking on treadmill during cardiac stress test
00:14
HD
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
HD
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
HD
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
HD
Slow motion dna helix model rotating among glass test tubes on laboratory bench with blue backlight scientific technical.
00:24
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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
HD
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
HD
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
HD
Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption
00:05
HD
Please stand by test screen with countdown from 59 seconds, retro style.
01:00
HD
A close-up dolly shot of a student filling in the little bubble circles of a test paper.
00:38
HD
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
HD
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
HD
A beautiful woman takes a pregnancy test and as soon as she reads that she is pregnant, she explodes in a moment of happiness and joy for the future birth of her child. Concept of: birth, life, family
00:12
HD
Bright RGB color changing animated background for screen test
00:12
HD
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
HD
Doctor performing nasal swab covid test on an elderly woman. High quality 4k footage
00:09
HD
Process of express fast coronavirus covid Antigen AG PCR testing examination at home, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, testing carried out
00:06
HD
Scientist in blue gloves holds rack of blue liquid filled test tubes amidst vapor
00:08
HD
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
HD
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
HD
Doctor in medical PPE suit holds a covid antigen test of care testing. Lab performing rapid diagnostic test for antibodies to detect presence of antigens Coronavirus disease.
00:14
HD
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
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Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
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Close-up of positive Covid antigen test in hand, rack focus
00:15
HD
students with notebooks writing test at school
00:13
HD
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
HD
An abstract television test pattern displays vibrant color bars with digital glitches and static noise.
00:15
HD
Closeup view 4k video of child hand with red spot reaction to conducting Mantoux test after 72 hours from injection. Nurse in blue gloves applying transparent ruler to check reaction.
00:16
HD
One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.
01:00
HD
scientist take test tube
00:10
HD
Tv screen with Indian Head Test Pattern
00:14
HD
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
HD
Test results, working mom Unexpectedly Reading a pregnancy test Sitting in the bathroom, Slow motion Pregnant woman Analyzing test strips Women's health centers, Test
00:08
HD
Covid rapid antigen test positive result timelapse
00:16
HD
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
HD
Woman holding a pregnancy test in her hands. The result is positive.
00:12
HD
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
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Glass test tubes with liquid on white background.
00:12
HD
Retro television color bars test screen with analog noise and broadcast glitch texture, vintage media background with signal calibration concept
00:15
HD
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
HD
TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
HD
An engineer in a crash test lab uses a car crash test system to simulate a traffic accident, to obtain the safety parameters of an eco-friendly cutting edge electric vehicle being developed.
00:13
HD
4k stock. Bad interface damage. No signal test pattern TV screen. Tv static animation glitch. Noise color error video with scanline effect.
00:13
HD
Covid 19 antigen rapid test kit with positive result for infection. Coronavirus rapid self-test home kit close-up image
00:10
HD
Stress, depression and student writing in classroom at high school, learning and education burnout. Tired, frustrated and teenager boy take test exam at desk in class, anxiety or fail while studying
00:10
HD
the inspector checks the form and puts a a worst grade on a exam test
00:06
HD
Completing blood draw.
00:20
HD
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
HD
Broadcast Test Card With 59-Second Countdown For Technical Breaks. Color television test pattern with Please Stand By text and countdown timer from 00:59 to 00:00 seconds.
01:00
HD
Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).
00:10
HD
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
HD
Schoolboy cheating during exam in classroom
00:14
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Analysis of the PH and chlorine of the water in a swimming pool in Summer. Check quality of water with test strip, comparing results.
00:15
HD
TU, MS, Side View shot of the head and shoulders of a crash test dummy
00:18
HD
Process of coronavirus PCR antigen testing examination by nurse medic in laboratory lab, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, patient receiving test, 4K
00:09
HD
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
HD
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
HD
Filling out Answers on a Multiple Choice Test Close up
00:18
HD
Immunological blood test. A laboratory assistant in a modern place makes a blood test
00:19
HD
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.
00:17
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doctor writing blood test results on the patients form
00:17
HD
Male engineer simulates and watches process of traffic accident using digital tablet with modern system to change the safety parameters. 3D animation of electric car experimental crash test in lab.
00:14
HD
Closeup shot of a nurse using a syringe to do a tuberculin test
00:07
HD
Stunt driver performing car crash test safety experiment
00:05
HD
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
HD
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
HD
A vintage television screen displays colorful test pattern bars
00:11
HD
Tilting down fast to slow to a covid 19 positive antigen test on a wooden table, 23.98 fps
00:11
HD
Science, laboratory and woman with beaker for medical analysis, research and medicine. Healthcare, pharmaceutical and scientist with test tube for vaccine development, chemistry and liquid results
00:17
HD
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
HD
Please stand by tv test pattern retro vintage broadcast. 4k animation video
00:10
HD
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
HD
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
HD
Selective focus shot of female scientist in protective mask and glasses pouring blue liquid in test tubes with pipette during microbiology experiment in laboratory
00:18
HD
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
HD
Scientist holding test strip and checking result
00:14
HD
4k stock| . Static color simple noise. Error video glitch. Bad damage interface. No signal stock animation. Video no signal test pattern on TV screen; colorful flickering.
00:10
HD
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
HD
Video Assorted test tubes filled with vibrant colors and chemicals
00:05
HD
A person brings vision glasses to his eyes. Moving from out of focus to focus. View of the First person view on the vision test table.
00:06
HD