1.1 The Human Organism Anatomy Overview

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33 Questions

What is the study of the processes and functions of the body called?

Physiology

Which of the following is NOT a characteristic of life?

Entropy

What is the name of the mechanism that regulates most homeostatic systems in the body?

Negative-feedback mechanism

Which of the following is NOT a component required to maintain homeostasis?

Homeostatic Mechanism

What is the name of the plane that divides the body into right and left halves?

Median plane

Which of the following body cavities surrounds the lungs?

Pleural cavity

What is the name of the membrane that covers the internal organs?

Visceral serous membrane

What is the name of the subatomic particle with no electrical charge?

Neutrons

Which of the following is NOT a directional term used in anatomy?

Inertial

What is the term used to describe a cut through the long axis of the body?

Longitudinal section

Where does protein synthesis and modification primarily occur in the cell?

Golgi Apparatus

What is the function of microfilaments in a cell?

Enable the cell to change shape

Which organelle is responsible for detoxification and lipid synthesis in a cell?

Smooth Endoplasmic Reticulum

What is the function of reticular fibers in fluid connective tissue?

Provide support network

Which type of muscle tissue is responsible for regulating the amount of light entering the eye?

Smooth

What is the function of nucleoli in a cell?

Consists of ribosomal RNA and proteins

Which structure in a cell is responsible for holding organelles in place?

Cytoskeleton

What is the main function of blood in the human body?

Carry nutrients, oxygen, and waste products

What is the primary function of peroxisomes in a cell?

Catalyze breakdown of hydrogen peroxide

In which type of tissue are action potentials responsible for communication through electric signals?

Nervous tissue

Which component of neurons is responsible for conducting electrical impulses?

Axon

What is the main characteristic that distinguishes cardiac muscle tissue from skeletal muscle tissue?

Involuntary nature

Which of the following processes requires energy in the form of ATP?

Active transport

What is the primary function of gated channels in cell membranes?

To limit the movement of ions across the membrane

Which of the following processes is associated with the genetic disorder cystic fibrosis?

Active transport

What is the difference between cotransport and countertransport in secondary active transport?

Cotransport moves substances in the same direction, while countertransport moves them in opposite directions

What is the primary difference between facilitated diffusion and active transport?

Facilitated diffusion is a passive process, while active transport is an active process requiring energy input

What is the function of serous membranes in the body?

Prevent damage from abrasion

Which cell type is primarily involved in fighting infections?

Neutrophil

What is the main purpose of synovial fluid within joint cavities?

Reduce friction for smooth joint movement

Which substance is responsible for swelling (edema) during inflammation?

Fibrin

What is the role of stem cells in tissue repair?

Substitute viable cells for dead cells

What characteristic distinguishes granulation tissue in the healing process?

Delicate and granular appearance

Explore the study of the structures of the human body, including systemic and regional anatomy, surface anatomy, anatomical imaging, and physiology. Learn about different approaches to examine internal structures and understand the processes and functions of the body.

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