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65 Cards in this Set
- Front
- Back
The connection between structure and ___ is a basic concept of biology
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function
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Which of the following is the correct order of levels of animal structure, from least inclusive to most inclusive?
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cell, tissue, organ, organ system, organism
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The stomach is an example of:
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an organ
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Cardiac muscle is an example of:
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a tissue
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The brain, spinal cord, and nerves that extend throughout the body is an example of:
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an organ system
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A neuron is an example of:
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a cell
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Which of the following is not one of the four major categories of animal tissue?
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cardiac
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Which of the following correctly describes epithelial tissue?
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sheets of closely packed cells that cover body surfaces and line internal organs
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The side of epithelial tissue that is exposed, either to the outside of the body or to an open organ or passageway, is called the:
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free surface
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The side of epithelial tissue that is anchored to the underlying tissue is called the:
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The side of epithelial tissue that is anchored to the underlying tissue is called the:
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How are epithelial tissues named?
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only A and B are correct
A. according to the number of cell layers they have B. according to the shape of most of their cells |
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Epithelial cells that are fairly flat, like floor tiles, are called:
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squamous
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Which of the following regenerates rapidly by division of the cells at its attached surface, with new cells moving toward the free surface as older cells slough off?
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stratified squamous epithelium
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Stratified squamous epithelium is well suited for:
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lining surfaces subject to abrasion
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Which of the following epithelial tissues is thin and leaky, suitable for exchanging materials by diffusion?
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simple squamous epithelium
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Which of the following is important for absorption and secreting mucous?
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simple columnar epithelium
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Which of the following consists of a sparse population of cells scattered through an extracellular matrix?
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connective tissue
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Which of the following is NOT a type of connective tissue?
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skeletal muscle
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Which of the following connective tissues serves mainly as a binding and packing material, holding other tissues and organs in place?
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loose connective tissue
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Which of the following connective tissues contains fat?
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adipose tissue
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Which of the following connective tissues transports substances from one part of the body to another?
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blood
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Which of the following connective tissues forms a smooth surface where bones come together, and provides flexible support?
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cartilage
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Which of the following connective tissues forms tendons and ligaments?
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fibrous connective tissue
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Which of the following connective tissues provides support and a place for muscle attachment?
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bone
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Which of the following materials forms the supporting structure of your outer ears?
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cartilage
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What kind of connective tissue has a liquid matrix?
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blood
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Connective tissue is different from the other major tissue types in that:
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the cells are sparsely scattered through a nonliving matrix
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Which of the following is NOT true of a typical skeletal muscle?
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its individual cells can sustain contractions longer than smooth muscle cells can
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Which of the following distinguishes cardiac muscle from both smooth and skeletal muscle?
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its cells are branched
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The main function of muscle tissue is:
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contraction
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Which of the following types of muscle tissue is involuntary?
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only B and C are correct
B. smooth C. cardiac |
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Which of the following types of muscle can be found in the digestive tract and other internal organs?
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only B and C are correct
B. smooth C. cardiac |
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Which of the following types of muscle is branched?
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cardiac
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Which type of tissue forms a communication and coordination system within the body?
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nervous
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The structural and functional unit of nervous tissue is:
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the neuron
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Which of the following parts of the neuron contains the cell's nucleus?
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cell body
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Which of the following parts of the neuron is an extension that carries signals toward the cell body?
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dendrite
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Which of the following parts of the neuron is an extension that carries signals away from the cell body?
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axon
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Transmission of a signal from neuron to neuron is accomplished by:
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neurotransmitters
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Which of the following is present in the heart?
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all of the above
A. muscle tissue B. epithelial tissue C. connective tissue D. nervous tissue |
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Which of the following organ systems ingests food and breaks it down into smaller chemical units?
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digestive system
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Which of the following organ systems exchanges gases with the environment?
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respiratory system
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Which of the following organ systems supplies nutrients and oxygen to body cells, carries carbon dioxide to the lungs, and carries other wastes to other sites such as the kidneys?
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circulatory system
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Which of the following organ systems returns fluid to the blood, keeping the blood volume constant?
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lymphatic system
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Which of the following organ systems protects the body by attacking foreign substances, infectious microbes, and cancer cells?
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immune system
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Which of the following organ systems removes the nitrogen containing waste products of cellular metabolism from the blood, and voids them from the body?
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excretory system
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Which of the following organ systems secrete hormones in the blood, regulating such activities as digestion, metabolism, growth, reproduction, heart rate, and water balance?
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endocrine system
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Which of the following organ systems produce eggs and sperm, and protect and support the developing offspring?
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reproductive system
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Which of the following organ systems sends and receives signals to coordinate body activities?
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muscular system
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Which of the following organ systems moves the various parts of the body?
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muscular system
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Which of the following organ systems provides support for the body and protection of internal organs?
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skeletal system
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Which of the following organ systems protects the internal body parts from mechanical injury, infection, excessive heat or cold, and drying out?
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integumentary system
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Which two organ systems are most directly involved in regulating all other systems?
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nervous and endocrine systems
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Which of the following non-invasive imaging techniques uses X-rays to produce images of a series of thin cross sections through the body?
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computed tomography (CT)
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Which of the following non-invasive imaging techniques uses powerful magnets to align hydrogen nuclei, and a scanner to pick up radio waves from the nuclei?
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magnetic resonance imaging (MRI
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Which of the following non-invasive imaging techniques uses a scanner to measure the amount of radioactively labeled glucose taken up by metabolically active cells?
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positron-emission tomography (PET)
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Which of the following is an important challenge faced by animals?
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they cannot survive unless they can exchange materials with their environment
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The aqueous solution that surrounds body cells is called:
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interstitial fluid
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In humans, materials must pass through ___ to get from the blood to body cells or vice versa.
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interstitial fluid
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Homeostasis:
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is the maintenance of a dynamic equilibrium
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The vertebrate kidney helps to keep the acidity of the body fluids constant be varying the amount of hydrogen ions (H+) it secretes into the urine. This type of control is:
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negative feedback
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A thermostat is an example of a ___ feedback system.
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negative
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Which of the following pairs of body systems primarily regulates the activities of the other systems?
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nervous and endocrine system
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Every living cell in the human body is in contact with an internal environment consisting of
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interstitial fluid or blood
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Which of the following best illustrates homeostasis
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When oxygen in the blood decreases, you may feel light headed.
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