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Positive feedback mechanisms


A) cause long term changes.
B) move conditions away from the normal state.
C) bring conditions back to the normal state.
D) usually produce stable conditions.

E) B) and C)
F) A) and B)

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The potential space between the _______ membranes is called the pleural cavity.

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Which of the following is not true of organelles?


A) They carry on specific activities.
B) They are only in cells of humans.
C) They are composed of aggregates of large molecules.
D) They are found in many types of cells.

E) A) and B)
F) All of the above

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Ultrasonography is most useful for diagnostic examination of


A) dense organs,such as bones.
B) air-filled organs,such as lungs.
C) soft internal structures,such as fetuses.
D) microscopic structures.

E) A) and B)
F) A) and C)

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Which of the following is not part of the female reproductive system?


A) The uterus
B) The uterine tube
C) The vulva
D) The bulbourethral gland

E) C) and D)
F) None of the above

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Patterns of growth in preserved bones and tooth decay reflect the health of the people of which they were a part.

A) True
B) False

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The maintenance of a steady body temperature in the face of fluctuating environmental conditions illustrates homeostasis.

A) True
B) False

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The membrane on the surface of a lung is called the


A) visceral pleurA.
B) parietal pleura.
C) visceral pericardium.
D) parietal pericardium.

E) A) and D)
F) A) and C)

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Positive feedback mechanisms usually produce


A) changes returning values toward a set point.
B) stable conditions around a set point.
C) unstable conditions.
D) long-term changes.

E) A) and B)
F) A) and C)

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The branch of science that deals with the functions of human body parts is called ______.

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Which of the following are vital signs?


A) Body temperature,blood pressure,and pulse rate
B) Appearance of the skin,red blood cell count,oxygen level
C) Body weight,age,gender
D) Visual acuity and auditory sharpness

E) B) and C)
F) A) and B)

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The heart is part of the ______ system.

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Cells with similar functions aggregate into organelles.

A) True
B) False

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The removal of wastes produced by metabolic reactions is


A) metabolism.
B) absorption.
C) assimilation.
D) excretion.

E) B) and D)
F) B) and C)

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Kidneys are part of the lymphatic system.

A) True
B) False

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The term ______ refers to an increase in body size without overall shape change.

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An anatomical section that separates the body into right and left portions is a __________ section.


A) frontal
B) transverse
C) coronal
D) sagittal

E) A) and B)
F) A) and C)

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A parietal layer of a serous membrane _______,whereas a visceral layer of a serous membrane ________.


A) covers organs;lines cavities
B) lines cavities;covers organs
C) secretes serous fluid;secretes mucus
D) secretes mucus;secretes a serous fluid

E) B) and C)
F) A) and B)

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Simple squamous epithelium is an example of a(n)


A) organ system.
B) organ.
C) tissue.
D) molecule.

E) All of the above
F) B) and D)

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