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Related Concept Videos

Hand hygiene01:23

Hand hygiene

5.7K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
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Types of Reports I: Hands-off Report01:25

Types of Reports I: Hands-off Report

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A hand-off report, also known as a change-of-shift report, is a crucial nursing process that ensures the smooth transition of patient care responsibilities between nursing staff.
Following are the key components and categories of hand-off reports:
Purpose and Process:
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Muscles of the Forearm that Move the Hand and Fingers01:16

Muscles of the Forearm that Move the Hand and Fingers

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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi...
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Self-Evaluation: Self-Enhancement and Self-Verification03:00

Self-Evaluation: Self-Enhancement and Self-Verification

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Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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Egoism and Altruism01:55

Egoism and Altruism

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Voluntary behavior with the intent to help other people is called prosocial behavior. Why do people help other people? Is personal benefit such as feeling good about oneself the only reason people help one another?
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Self-Presentation: Self-Monitoring and Self-Handicapping02:05

Self-Presentation: Self-Monitoring and Self-Handicapping

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People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about...
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Related Experiment Video

Updated: Jan 21, 2026

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
09:35

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor

Published on: June 16, 2021

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Carcinosarcoma of the hand.

Alexandra Caresse Gamret1, Raymond M Fertig, Kyle D Klingbeil

  • 1Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL. acgamret@gmail.com.

Dermatology Online Journal
|July 23, 2019
PubMed
Summary

Carcinosarcomas, rare tumors with epithelial and mesenchymal parts, can arise from squamous cell carcinoma. This case highlights aggressive carcinosarcoma in an elderly man, showing metastasis to lymph nodes and lungs.

Area of Science:

  • Oncology
  • Pathology
  • Surgical Oncology

Background:

  • Carcinosarcomas are uncommon malignant neoplasms exhibiting both epithelial and mesenchymal differentiation.
  • Squamous cell carcinoma is a common epithelial malignancy, but its transformation into carcinosarcoma is rare.

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