By what means does the endocrine system regulate bodily processes?
a. nerves
b. electrolytes
c. minerals such as calcium
d. carbon dioxide
e. hormones
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Question 2) Identify the correct statement(s) about stem cells.
a. They are undifferentiated embryonic cells.
b. They may reproduce many times.
c. Their daughter cells may differentiate into a number of different specialized cell types.
d. All of the above.
e. None of the above.
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Question 3) Which mineral is most important for muscle movement and is stored in the skeletal system?
a. magnesium
b. iron
c. calcium
d. phosphorus
e. boron
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Question 4) If a letter in the alphabet is equated to a cell, then which of the following would be most like an organ?
a. two paragraphs
b. a paragraph
c. a word
d. a sentence
e. two sentences
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Question 5) The integumentary system consists of ____.
a. connective tissue such as ligaments and tendons
b. everything related to the cardiovascular system
c. muscles and bones
d. nerves and ganglions
e. the skin and related structures
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Question 6) Calcium is stored mainly in the ____ system.
a. digestive
b. endocrine
c. integumentary
d. muscular
e. skeletal
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Question 7) How many body systems contribute to homeostasis?
a. 5
b. 7
c. 9
d. 11
e. 15
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Question 8) The two major regulatory systems in the body are
a. nervous and respiratory
b. nervous and endocrine
c. endocrine and respiratory
d. endocrine and lymphatic
e. circulatory and endocrine
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Question 9) What electrolyte does the heart rely on most in order to keep a rhythmic beat?
a. potassium
b. phosphorus
c. magnesium
d. iron
e. sodium
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Question 10) Evaporation of sweat cooling the body is an example of
a. negative feedback
b. positive feedback
c. a feedforward mechanism
d. an intrinsic (local) control mechanism
e. autoregulation
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