34 Questions
What is the ideal pH range for the blood?
7.35-7.45
What is the defining characteristic of a eukaryotic cell?
A membrane-bound nucleus
Which of the following is NOT a type of eukaryote?
Bacteria
What is the basic unit of an organism?
Cell
What is the term for the 'jelly-like substance' inside a cell?
Cytoplasm
Which of the following is an example of a prokaryotic cell?
A bacterium
What is the percentage of the four key elements that make up humans?
96%
What is the term that refers to the process of maintaining a steady internal body environment?
Homeostasis
What is the structure that is composed of multiple cells?
Tissue
What is the function of the organelles in a cell?
To perform specific functions within the cell
What is the term that refers to the different types of connections between cells?
Junctions
What is the term that refers to the study of the structure and function of the human body, from the simplest atoms to the entire organism?
From atoms to the complete organism
What is the primary function of the mucus produced by the mucous membrane?
To reduce friction and facilitate absorption
Which type of membrane lines the cavity of a joint?
Synovial membrane
What is the purpose of the serous fluid between the two layers of a serous membrane?
To reduce friction
What is the main function of the cutaneous membrane?
To protect the body from infection and drying out
Which type of membrane is covered in mucus and lines passageways with external connections?
Mucous membrane
What are the three types of serous membranes mentioned in the text?
Pleura, peritoneum, and pericardium
What is the primary function of endocrine glands?
Secrete products, mainly hormones, into blood or fluid
Which type of exocrine gland secretes mucous?
Mucous gland
What is the mechanism of secretion in merocrine glands?
Exocytosis
What is the definition of an organ?
A collection of various tissues organized to perform a specific function
What is the definition of an organ system?
A collection of organs with a common function
What is the characteristic of glands that release products onto epithelial surfaces?
Exocrine glands
What is the location of the electron transport chain?
Inner mitochondrial membrane
What is the result of the flow of H+ ions back across the inner mitochondrial membrane?
Production of ATP
What is the characteristic of epithelial tissue?
Avascular with a high rate of cell division
What is the shape of simple cuboidal epithelial cells?
Cube
What is the function of simple squamous epithelial tissue?
Diffusion of gases and transport of substances
What is the characteristic of connective tissue?
Few cells and a lot of extracellular matrix
What is the function of cartilage connective tissue?
Support and protection
What is the characteristic of skeletal muscle tissue?
Voluntary and striated
What is the function of smooth muscle tissue?
Blood vessel and hollow organ contraction
What is the result of chemiosmosis?
Production of ATP
This quiz covers the basics of the human body's organisation, including cells, tissues, organs, and systems. It also explores the relevance of these concepts to medical practice, such as dealing with medical problems and trauma. Test your knowledge of the structure and function of the human body!
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