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Human Physiology From Cells To Systems 3rd Edition by Lauralee Sherwood - Test Bank
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,Name: Class: Date:chapter 1
Indicate whether the statement is true or false.
1. All cells are capable of reproducing.
a. True
b. False
2. Blood is a type of connective tissue.
a. True
b. False
3. The skin is part of the integumentary system.
a. True
b. False
4. Stem cells are not common to all multicellular organisms.
a. True
b. False
5. Cells eliminate carbon dioxide as a waste product.
a. True
b. False
6. The concentration of salt in the extracellular fluid influences how water enters and leaves cells.
a. True
b. False
7. The endocrine system functions with the circulatory system for the transport of hormones.
a. True
b. False
8. All proteins are enzymes.
a. True
b. False
9. Homeostatic control systems are grouped into two classes: intrinsic and extrinsic controls.
a. True
b. False
10. With positive feedback, a control system’s input and output continue to enhance each other.
a. True
b. False
11. Exocrine glands are the only structures in the body capable of secretion.
a. True
b. False
,Name: Class: Date:
chapter 1
12. Secretion refers to the release from a cell, in response to appropriate stimulation, of specific products that
have, in large part, been synthesized by the cell.
a. True
b. False
13. Feedforward mechanisms bring about a response in reaction to a change in a regulated variable.
a. True
b. False
14. Intestine, heart, and skin do not consist of hormone-secreting cells.
a. True
b. False
15. Glands are formed during embryonic development by pockets of epithelial tissue that dip inward from the
surface.
a. True
b. False
16. Not all activities performed by the muscular and nervous systems are directed toward maintaining
homeostasis.
a. True
b. False
17. Enzymes are carbohydrates.
a. True
b. False
18. Factors that are homeostatically regulated are maintained at a constant, fixed level unless disease is present.
a. True
b. False
19. A lumen is a cavity within a hollow organ or tube.
a. True
b. False
20. Highly differentiated tissues such as nervous and cardiac muscle are incapable of new cell production.
a. True
b. False
21. The lungs remove carbon dioxide from the blood plasma.
a. True
b. False
22. Some organs, such as the heart, skin, and intestine, belong to more than one body system.
a. True
b. False
, Name: Class: Date:
chapter 1
23. The plasma surrounds and bathes all the body’s cells.
a. True
b. False
24. Muscle cells produce movement by expanding.
a. True
b. False
25. Negative feedback operates to maintain a controlled factor in a relatively steady state, whereas positive
feedback moves a controlled variable even further from a steady state.
a. True
b. False
26. All stem cells are found in the umbilical cord.
a. True
b. False
27. A mechanistic explanation of why a person breathes is to obtain oxygen.
a. True
b. False
28. A mechanistic explanation of why a person sweats is to cool off.
a. True
b. False
29. Endocrine glands secrete hormones through ducts into the blood.
a. True
b. False
30. To sustain life, the internal environment must be maintained in an absolutely unchanging state.
a. True
b. False
31. Most homeostatic mechanisms operate on the principle of positive feedback.
a. True
b. False
32. Organs are composed of two or more kinds of primary tissues.
a. True
b. False
33. The external environment is found outside cells but inside the body.
a. True
b. False
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