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Related Concept Videos

Projectile Motion01:20

Projectile Motion

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An object thrown in the air follows a parabolic path under the influence of Earth's gravitational force. The motion of such an object is called projectile motion, and the object itself a projectile. The parabolic path followed by the projectile is called the trajectory. Some common examples of projectile motion are the launching of fireworks, a golf ball in the air, meteors entering the Earth's atmosphere, and the firing of bullets.
When an object falls under gravity and has no...
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Projectile Motion: Example01:18

Projectile Motion: Example

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The theory of projectile motion is very useful for players of several sports to improve their performance. For example, a javelin thrower needs to throw their javelin in such a way that it travels as far as possible. The javelin thrower takes a short run-up to increase the initial speed of the javelin. The range of a projectile is at its maximum at a 45° angle so javelin throwers try to angle their throw as close to 45° as possible.
When we speak of the range (R) of a projectile on...
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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
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Introduction to Nuclear Reprogramming01:14

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Nuclear reprogramming is the process of switching gene expression of one cell type to that of another cell type, usually from a differentiated cell state to an undifferentiated cell state. Differentiation occurs during processes such as development and morphogenesis, tissue regeneration, and malignancy. Cells can also be artificially induced to reprogram their gene expression by techniques such as nuclear transfer, induced pluripotency, and cell fusion. Such techniques have many applications in...
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SBAR I: Understanding the Concept01:29

SBAR I: Understanding the Concept

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Effective communication among healthcare professionals during hand-off reporting is essential to delivering safe and continuous patient care. Common professional interactions include reports to healthcare team members, hand-off, and transfer reports. Nurses routinely report information to other healthcare team members and also urgently contact healthcare providers to report changes in patient status.
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SBAR II: Application of SBAR01:14

SBAR II: Application of SBAR

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SBAR is an effective communication tool used by healthcare professionals to communicate patient information accurately. SBAR stands for Situation, Background, Assessment, and Recommendation. For a better understanding, an example is given below.
SBAR Report from a Nurse to a Health Care Provider
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Firearms training: what is actually taught?

David Hemenway1, Steven Rausher2, Pina Violano3

  • 1Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts, USA.

Injury Prevention : Journal of the International Society for Child and Adolescent Injury Prevention
|October 9, 2017
PubMed
Summary

Firearm safety training covers basic gun handling but rarely addresses suicide prevention or domestic violence. Public health professionals recommend enhancing curricula to include these critical safety topics and safer gun storage practices.

Keywords:
FirearmSuicide/self?harmTraining

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Area of Science:

  • Public Health
  • Firearm Injury Prevention
  • Gun Safety Education

Background:

  • Firearm safety instructors and public health professionals share a common goal of preventing firearm injuries.
  • Auditing basic firearm classes provides insight into current safety training content.

Purpose of the Study:

  • To audit the content of basic firearm classes to inform public health professionals about firearm safety education.
  • To identify areas where firearm safety curricula can be enhanced to align with public health goals.

Main Methods:

  • An audit form was developed with expert firearm instructors.
  • Volunteers audited 20 basic firearm classes across seven northeastern states.

Main Results:

  • Most classes covered fundamental safety (loading/unloading, trigger discipline, target awareness).
  • Topics like operating safeties, clearing malfunctions, and secure gun storage were covered in 50%-75% of classes.
  • Few instructors addressed firearm suicide prevention (10%) or domestic violence (10%).

Conclusions:

  • While basic firearm safety is generally covered, there are opportunities to integrate crucial public health topics.
  • Enhancing curricula to include firearm suicide prevention, domestic violence awareness, and promoting safer gun storage is recommended.
  • Collaboration between firearm instructors and public health professionals can improve overall firearm safety education.