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The head is superior to the neck.

A) True
B) False

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Magnetic resonance imaging uses


A) X-rays.
B) radio waves.
C) radioisotopes.
D) high-frequency sound waves.

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

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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) None of the above
F) B) and D)

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Which of the following must the human body obtain from the environment in order to survive?


A) Nitrogen
B) Wastes
C) Water
D) Carbon dioxide

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) A) and D)
F) All 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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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) C) and D)

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The ability of an organism to sense and react to changes in its body illustrates


A) circulation.
B) respiration.
C) responsiveness.
D) absorption.

E) None of the above
F) A) and B)

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Which of the following is not an example of a negative homeostatic mechanism in the human body?


A) Shivering when body temperature falls below normal
B) Increasing heart rate and force of contraction when blood pressure falls
C) Retention of fluid leading to retention of more fluid
D) Secreting insulin after a meal to return blood sugar concentration toward normal

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

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Dissection of human bodies became part of formal medical school coursework in the ________ century.

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Which of the following illustrates a positive feedback mechanism?


A) Maintaining blood pressure
B) Uterine contractions during childbirth
C) Body temperature control
D) Control of blood sugar

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

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Which of the following is true concerning the female reproductive system?


A) It produces female sex cells.
B) It transports the female sex cells.
C) It can support the development of an embryo.
D) All of the choices are correct.

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

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In negative feedback mechanisms, changes away from the normal state


A) stimulate changes in the same direction.
B) inhibit all body reactions.
C) stimulate changes in the opposite direction.
D) stimulate a reduction in all requirements of the body.

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

Correct Answer

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The field of medicine arose as early healers abandoned superstition and ideas about magic and started using natural chemicals and wondering why they were effective at treating illness.

A) True
B) False

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A cell is the basic unit of structure and function of an organism.

A) True
B) False

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We know all there is to know about the structure and function of the human body.

A) True
B) False

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Individuals who live more than 100 years are called ________.

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An investigator who conducts an experiment to determine how temperature changes affect the rate at which the heart beats is most likely a(n)


A) anatomist.
B) physiologist.
C) chemist.
D) biochemist.

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

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Blood cells are produced in the organs of the ________system.


A) endocrine
B) skeletal
C) respiratory
D) muscular

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

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Chromosomes get longer as a cell ages.

A) True
B) False

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