Homeostasis And The Organization Of The Animal Body
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- 1.Which of the following is a definition of homeostasis?
- A.
a process whereby the body maintains its internal environment within a narrow range of conditions necessary for optimal cell functioning
- B.
A mechanism that animals use to produce body heat by metabolic reactions
- C.
The process that some animals use to extract heat from their environment
- D.
A process whereby a change in the environment causes a rapid, self-limiting response that amplifies the initial change.
- 2.Animals that regulate their body temperature by producing heat with metabolic reactions are called __________.
- A.
Negative feedback organisms
- B.
Cold-blooded
- C.
Endotherms
- D.
Ectotherms
- 3.Which of the following is an example of an ectotherm?
- A.
Eagle
- B.
Frog
- C.
Mouse
- D.
Horse
- E.
Hummingbird
- 4.An example of an organ is __________.
- A.
A nerve
- B.
The skin
- C.
Epithelial tissue
- D.
Connective tissue
- E.
Blood
- 5.Which of the following is a definition of epithelial tissue?
- A.
A group of tissues that includes cartilage, bone, fat, blood, and lymph
- B.
Sheets of cells firmly attached to one another by connections, such as desmosomes and tight junctions
- C.
Tissue that supports and strengthens other tissues and helps to bind the cells of these other tissues together
- D.
A part of the skin that contains blood vessels and sweat glands
- E.
Tissue that is specialized for contraction
- 6.Which of the following statements is true about tendons and ligaments?
- A.
Tendons connect muscle to muscle and ligaments connect bones to bones.
- B.
Tendons are produced by exocrine glands and ligaments are produced by endocrine glands.
- C.
Tendons connect muscles to bones and ligaments connect bones to bones.
- D.
Tendons are made of dense connective tissue and ligaments are made of specialized connective tissues.
- 7.What do biologists call groups of cells that are specialized to secrete substances outside the cells?
- A.
Lymph
- B.
Adipose tissue
- C.
Glial cells
- D.
Glands
- 8.What is the name of the extracellular fluid that suspends the cellular portion of blood?
- A.
Lymph
- B.
Plasma
- C.
Dermis
- D.
Serum
- 9.Which tissue type serves as a long-term energy storage depot as well as insulation for animals adapted to cold environments?
- A.
Epithelial tissue
- B.
Adipose tissue
- C.
Connective tissue
- D.
Muscle tissue
- 10.Nerve tissue is composed of nerve cells, which are also called __________.
- A.
Axons
- B.
Dendrites
- C.
Neurons
- D.
Glial cells
- 11.Which of the following is responsible for surrounding, supporting, electrically insulating, and protecting neurons?
- A.
Glial cells
- B.
Smooth muscle
- C.
Epithelial tissue
- D.
Nerve tissue
- E.
Glands
- 12.Which of the following is a function of white blood cells?
- A.
Fight infection
- B.
Moves the skeleton
- C.
Transports oxygen to body cells
- D.
Carry the genetic information of the male, capable of fertilizing an egg cell
- E.
Regulates body temperature
- 13.What is a major difference between skeletal muscle and cardiac muscle?
- A.
Skeletal muscle is not stimulated by the nervous system; cardiac muscle is stimulated by the nervous system.
- B.
Skeletal muscle is under voluntary control; cardiac muscle is spontaneously active and involuntary.
- C.
Skeletal muscle and cardiac muscle are both under voluntary control.
- D.
Skeletal muscle is found embedded throughout the body in the walls of several systems (respiratory) and organs (bladder); cardiac muscle is found only in the heart
- 14.Which one of the following is a function of cartilage?
- A.
Cartilage is a specialized form of blood and lymph.
- B.
Cartilage is produced and secreted by exocrine glands.
- C.
Cartilage forms a matrix hardened by deposits of calcium phosphate.
- D.
Cartilage provides a framework for organs such as the liver.
- E.
Cartilage provides the supporting framework for the respiratory passages.
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