The tissue that forms the inner lining of the respiratory passages is
A) mucus-secreting and transitional.
B) serous fluid-secreting, simple, and columnar.
C) stratified, sputum-secreting, and non-ciliated.
D) mucus-secreting, ciliated, and pseudostratified.
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Question 2) Which of the following is not an example of a homeostatic mechanism in the human
body?
A) Secreting insulin after a meal to return blood sugar concentration toward normal.
B) Increasing heart rate and force of contraction when blood pressure falls.
C) Retention of fluid leading to retention of more fluid.
D) Shivering when body temperature falls below normal.
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Question 3) Anabolic metabolism refers to
A) biochemical reactions that release energy from nutrients.
B) all processes required to maintain life.
C) biochemical reactions that break down compounds.
D) biochemical reactions that synthesize compounds.
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Question 4) The atoms of different elements have
A) the same atomic number and same atomic weight.
B) different atomic numbers but the same number of electrons.
C) different atomic numbers.
D) the same atomic number but different atomic weights.
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Question 5) Homeostasis is the
A) inability to keep body weight within normal limits.
B) tendency of the body to maintain a stable internal environment.
C) ingestion of more food than you need to eat.
D) decrease in room temperature because a window is open.
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Question 6) Which of the following groups of elements accounts for more than 95 of the human
body by weight?
A) Calcium, phosphorus, hydrogen, nitrogen
B) Carbon, phosphorus, oxygen, hydrogen
C) Carbon, hydrogen, oxygen, nitrogen
D) Calcium, hydrogen, oxygen, nitrogen
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Question 7) The tissue through which gases are exchanged between the blood and the air in the lungs
is
A) simple columnar epithelium. B) simple squamous epithelium.
C) stratified squamous epithelium. D) simple cuboidal epithelium.
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Question 8) Which of the following processes is most important to continuation of the human
species?
A) Movement B) Respiration
C) Reproduction D) Responsiveness
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Question 9) One reason protein synthesis is important is that
A) proteins release energy for metabolic reactions.
B) the diet does not provide the building blocks of protein.
C) enzymes are proteins and enzymes are essential to metabolism.
D) proteins encode DNA sequences.
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Question 10) Which of the following substances is an element?
A) Sodium chloride B) Iron
C) Glucose D) Water
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