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a&p: chapter 1 questions
Terms in this set (30)
in what ways does physiology depend on anatomy
The function of a structure is dependant on its anatomy.
For example, oxygen and carbon dioxide are exchanged across the very thin membranes of the lungs but not across the skin.
Would you be studying anatomy or physiology if you investigated how muscles shorten? If you explored the location of the lungs in the body?
Muscle shortening is a topic of physiology. The body location of the lungs is an anatomy topic.
What level of structural organization is typical of a cytologist's field of study?
Cytologists study the cellular level of organization
what is the correct structural order for the following terms: tissue, organism, organ cell?
cell, tissue, organ, organism
which organ system includes the bones and cartilages? which includes the nasal cavity, lungs, and trachea?
Bones and cartilages are part of the skeletal system. nasal cavity, lungs and trachea are organs of the respiratory system.
What separates living beings from nonliving objects?
Living organisms are able to maintain their boundaries, move, respond to environmental change, digest nutrients, carry out metabolism, dispose of wastes, reproduce and grow. while inanimate objects do not exhibit all of these
Why is it necessary to be in a pressurized cabin when flying at 30,000 feet?
because the atmosphere is thinner at high altitudes and the amount of oxygen entering the blood under such conditions may be insufficient to maintain life
What process allows us to adjust to either extreme heat or extreme cold?
Negative feedback mechanisms allow us to adjust to conditions outside the normal temperature range by causing heat to be lost from the body and retained or generated by the body.
What is the anatomical position? And why is it important that you learn this position?
The position in which a person is standing erect with feet slightly separated and palms facing anteriorly. knowing the anatomical position is important because directional terms refer to the body as if it is in this position
joe went to the emergency room where he complained of severe pains in the lower right quadrant of this abdomen. what might be his problem
of the uterus, small intestine, spinal cord, and heart, which is/are in the dorsal body cavity
only the spinal cord
When you rub your cold hands together, the friction between them results in heat that warms your hands. why doesnt warming friction result during movements of the heart, lungs and digestive organs
As mobile organs work fiction is greatly reduced by the presence of seours flued. seous fluid allows the surrounding serous membranes to glide easily over one another
the correct sequence of levels forming the structural hierarchy is?
chemical, cellular, tissue, organ, organ system, organismal
the structural and functional unit of life is a
which two organ systems bear the major responsibility for ensuring homeostasis?
nervous and endocrine system
Assume that the body has been sectioned along three planes: (1) a median plane, (2) a frontal plane, and (3) a transverse plane made at the level of each of the organs listed below. which orans would not be visible in all three cases?
neither the lungs or kidneys would be visible in the median section
(1/11) integumentary system
protects deeper tissue
(2/11) skeletal system
provides framework that causes movement
(3/11) muscular system
allows facial expressions
(4/11) lymphatic system
lymphatic vessels, lymph nodes
picks up leaked fluids and returns them to blood
(5/11) respiratory system
lung, nasal cavity
removes carbon dioxide
(6/11) digestive system
breaks down food
(7/11) nervous system
brain, spinal cord
responds to external and internal changes
(8/11) endocrine system
ovary, most glands
(9/11) cardiovascular system
heat, blood vessels
pumps and transports blood
(10/11) urinary system
(11/11) reproductive system
mammary glands, vagina
list and describe briefly five external factors that must be present or provided to sustain life
nutrients, water, oxygen, normal body temperature, atmospheric pressure
Maintaining a stable internal environment
which of the following medical imaging techniques would best localize a tumor in the brain?
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