Preoperative Nursing

Preoperative nursing is the structured care provided before surgery to assess a patient’s readiness, reduce preventable risks, and support a safe transition to the operating room. Nurses review health history, medications, allergies, laboratory findings, and procedure requirements; they also verify identity and consent, provide patient education, and coordinate preparation with the surgical team. In cancer care and research, this process helps standardize baseline assessments, identify factors that may affect treatment or recovery, and support patients undergoing procedures such as biopsies and tumor removal. Consistent preoperative assessment improves communication, strengthens patient-centered care, and contributes reliable clinical information for evaluating surgical outcomes.

Preoperative Nursing - Related Videos

Research

JoVE Journal - Medicine
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Using Learning Outcome Measures to assess Doctoral Nursing Education

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Cited by 2 •

2010

The structure and process for measuring student learning outcomes through customizable assessment rubrics is discussed and applied to a doctoral nursing education program.

Education

JoVE Core - Developmental Psychology

Preoperational Thought IV: Numbers

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2026

Piaget’s preoperational stage, from about ages 2 to 7, is characterized by rapid growth in symbolic thinking. Children increasingly use words, images, and objects to represent ideas, although their reasoning remains largely intuitive. During this period, number sense develops from memorized counting toward an understanding of quantity and basic arithmetic.Counting and CardinalityChildren younger than age 3 may recite number words without fully understanding their numerical meaning. During the...

Preoperational Thought I: The Symbolic Function

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2026

Jean Piaget’s preoperational stage of cognitive development spans approximately ages 2 to 7. During this period, children increasingly think symbolically but are not yet able to perform logical mental operations consistently. Symbols are words, pictures, numbers, or objects that stand for something else. For example, the word "dog" can represent an entire category of animals, even when no dog is physically present. This ability allows children to mentally represent people, objects, and events...

Microinjection of Drosophila Nurse Cells: A Method of Intracellular Delivery

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2023

Due to their large size and relatively simple organization, Drosophila nurse cells are ideally suited for live cell imaging studies. This video describes a microinjection method for exogenous compounds delivery into the cells, and the featured protocol demonstrates the procedure with fluorescent oligonucleotide probes called molecular beacons (MBs) used to visualize endogenous mRNA transcripts.

Conservation During the Preoperational Stage

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2026

Conservation is the understanding that quantity remains unchanged when appearance or arrangement changes, provided nothing is added or removed. Piaget used conservation tasks to examine children’s developing logical reasoning and their tendency to rely on perceptual appearance.Liquid Conservation TaskIn the classic liquid conservation task, a child is shown equal amounts of water in two identical short, wide glasses. The water from one glass is then poured into a taller, narrower glass. Many...

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