Test Your Ergonomics Knowledge To Protect & Extend Your Hygiene Career
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Do you think you know well about Ergonomics? Take this quiz to test your ergonomics knowledge to protect & extend your hygiene career. Ergonomics is basically related to studying the efficiency of people in their working environment. It is important to keep the workspace hygienic and work in a healthy environment. If you know everything, you can test your knowledge and understanding with this quiz. All the best! Do share the quiz with other people who work in an organization related to the work environment.
- 1.
Instruments with smaller handle diameters reduce the hand muscle load and pinch force. Knurled handles increase tactile sensation and reduce pinch grip.
- A.
The first statement is true, the second statement is false
- B.
The first statement is true, the second statement is false
- C.
Both statements are true
- D.
Both statements are false
Correct Answer
A. The first statement is true, the second statement is falseExplanation
The first statement is true because instruments with smaller handle diameters indeed reduce the hand muscle load and pinch force. However, the second statement is false because knurled handles actually increase tactile sensation and enhance pinch grip, rather than reducing it.Rate this question:
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- 2.
Working posture is the main risk factor for developing musculoskeletal disorders in dental professionals.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The explanation for the given correct answer is that dental professionals often have to maintain awkward positions and repetitive movements while treating patients, which can lead to musculoskeletal disorders. These disorders can include back pain, neck pain, and carpal tunnel syndrome. Therefore, the working posture is indeed a significant risk factor for developing these disorders in dental professionals.Rate this question:
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- 3.
Which of the following reduces MSD risk in dental professionals?
- A.
Alternating between sitting and standing
- B.
Repositioning the feet
- C.
Repositioning patient for maxillary or mandibular treatment
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Alternating between sitting and standing, repositioning the feet, and repositioning the patient for maxillary or mandibular treatment can all help reduce MSD (musculoskeletal disorder) risk in dental professionals. Alternating between sitting and standing helps to prevent prolonged static postures, which can lead to muscle fatigue and discomfort. Repositioning the feet can help distribute weight evenly and reduce strain on the lower back and legs. Repositioning the patient for maxillary or mandibular treatment can help maintain proper body mechanics and reduce strain on the back and neck. Therefore, all of these actions can contribute to reducing the risk of MSDs in dental professionals.Rate this question:
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- 4.
Musculoskeletal disorders in dentistry often begin with the fatigue of the postural stabilizing muscles of the trunk and shoulders.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because musculoskeletal disorders in dentistry commonly start with the fatigue of the postural stabilizing muscles in the trunk and shoulders. Dentists and dental professionals often have to maintain awkward and prolonged positions while treating patients, which can lead to muscle fatigue and eventually result in musculoskeletal disorders. It is crucial for dental professionals to be aware of proper posture and ergonomics to prevent these disorders and ensure their own well-being.Rate this question:
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- 5.
Yoga is one of the most effective modes of physical activity for reducing and preventing musculoskeletal pain. Integrating just 30 minutes of moderate physical activity daily helps address the static muscle activity of the legs, trunk, back, neck, and shoulders in a dental professional’s day.
- A.
The first statement is true, the second statement is false
- B.
The first statement is false, the second statement is true
- C.
Both statements are true
- D.
Both statements are false
Correct Answer
C. Both statements are trueExplanation
Both statements are true. The first statement states that yoga is effective in reducing and preventing musculoskeletal pain, which is supported by research and studies that have shown the benefits of yoga for improving flexibility, strength, and reducing pain in various parts of the body. The second statement suggests that integrating just 30 minutes of moderate physical activity daily can help address muscle activity in dental professionals, which is also true as physical activity can help improve posture, reduce muscle tension, and prevent musculoskeletal issues caused by prolonged sitting or repetitive movements.Rate this question:
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- 6.
Hygienists wearing custom loupes maintained less overall trunk flexion while scaling. Extensive experience with loupes may also contribute to improved body posture when scaling without loupes for a short time.
- A.
The first statement is true, the second statement is false
- B.
The first statement is false, the second statement is true
- C.
Both statements are true
- D.
Both statements are false
Correct Answer
C. Both statements are trueExplanation
The given explanation suggests that both statements are true. The first statement states that hygienists wearing custom loupes maintained less overall trunk flexion while scaling, indicating that the use of loupes helps in maintaining better body posture. The second statement suggests that extensive experience with loupes may contribute to improved body posture even when scaling without loupes for a short time. Together, these statements imply that both wearing custom loupes and having experience with them can lead to improved body posture during scaling.Rate this question:
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- 7.
According to the Bureau of Labor Statistics (2013), the definition of MSDs includes what?
- A.
Meniscus tear: sprains, strains, tears
- B.
Raynaud’s syndrome or phenomenon
- C.
Pinched nerve, herniated disc
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "All of the above." According to the Bureau of Labor Statistics (2013), the definition of MSDs (Musculoskeletal Disorders) includes meniscus tear (sprains, strains, tears), Raynaud's syndrome or phenomenon, and pinched nerve, herniated disc. This means that all these conditions are considered as part of MSDs.Rate this question:
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- 8.
Which of the following conditions are associated with swelling of the tendons that run along the thumb side of the wrist, causing pain and tenderness often caused by overuse of the thumb and wrist?
- A.
De Quervain’s tenosynovitis
- B.
Hypothenar hammer syndrome
- C.
Carpal tunnel
- D.
None of the above
Correct Answer
A. De Quervain’s tenosynovitisExplanation
De Quervain's tenosynovitis is associated with swelling of the tendons that run along the thumb side of the wrist, causing pain and tenderness often caused by overuse of the thumb and wrist. Carpal tunnel syndrome is characterized by compression of the median nerve in the wrist, leading to symptoms such as numbness and tingling in the hand. Hypothenar hammer syndrome is a condition in which the ulnar artery in the hand is injured due to repeated trauma, typically from using the palm of the hand as a hammer. None of the above conditions specifically involve swelling of the tendons along the thumb side of the wrist, making De Quervain's tenosynovitis the correct answer.Rate this question:
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- 9.
Compensatory workplace exercise consists of short active breaks, which involve discontinuing job tasks to exercise. This type of exercise is essential to workers' physical and mental health.
- A.
The first statement is true, the second statement is false
- B.
The first statement is false, the second statement is true
- C.
Both statements are true
- D.
Both statements are false
Correct Answer
C. Both statements are trueExplanation
The explanation for the given answer "Both statements are true" is that compensatory workplace exercise indeed consists of short active breaks where workers discontinue their job tasks to exercise. This type of exercise is considered essential for both the physical and mental health of workers. Therefore, both statements in the question are true.Rate this question:
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- 10.
MSDs account for nearly 70 million physician office visits annually in the U.S. and an estimated 130 million total health care encounters (including outpatient, hospital, and emergency department visits).
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The given statement is true. It states that Musculoskeletal Disorders (MSDs) account for a significant number of physician office visits and overall healthcare encounters in the United States. This suggests that MSDs are a common health issue that requires medical attention, highlighting the importance of addressing and managing these disorders effectively.Rate this question:
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Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Nov 16, 2023Quiz Edited by
ProProfs Editorial Team -
Jul 31, 2022Quiz Created by
Sophia Smith
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