Unit # 8 Biology 156 Self-Test

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

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Number of cards 65