Chapter 32 Test 3

Tissues are composed of cells, and tissues functioning together make up A)organ systems. B)organisms. C)membranes. D)organelles. E)organs.

E

An example of a connective tissue is the A)skin. B)smooth muscles. C)epithelium. D)nerves. E)blood.

E

An exchange surface in direct contact with the external environment is found in the A)lungs. B)heart. C)brain. D)liver. E)skeletal muscles.

A

Humans can lose, but cannot gain, heat through the process of A)evaporation. B)convection. C)conduction. D)radiation.

A

Organisms categorized as osmoconformers are most likely A)marine. B)found in arid terrestrial environments. C)found in terrestrial environments with adequate moisture. D)amphibious. E)found in freshwater lakes and streams.

A

The nourishment, insulation, and support for neurons are the result of activity by A)the endocrine system. B)glial cells. C)adipose tissue. D)smooth muscles. E)fibroblasts.

B

Which of the following primarily involves heat transfer by convection? A)As you lie on the sand, you can feel the sun's warm rays on your skin. B)You roll down the car window to allow the cool breeze to blow through. C)After sunset, you can feel heat from the warm pavement. D)You sweat profusely as you mow the lawn on a hot summer day. E)The water in the lake is so cold that your legs become numb.

B

A countercurrent heat exchanger enables an animal to __________. A)produce more heat when needed B)increase heat loss by evaporation C)reduce the loss of body heat to the environment D)absorb heat from the environment E)slow metabolism when food is not available

C

Blood is best classified as connective tissue because A)it is contained in vessels that "connect" different parts of an organism's body. B)it contains more than one type of cell. C)its cells are separated from each other by an extracellular matrix. D)its cells can move from place to place. E)it is found within all the organs of the body.

C

Connective tissues typically have A)many densely packed cells with direct connections between the membranes of adjacent cells. B)an apical side and a basal side. C)relatively few cells and a large amount of extracellular matrix. D)the ability to shorten upon stimulation. E)the ability to transmit electrochemical impulses.

C

An example of a homeostatic response is A)a decrease in body temperature that results from shock. B)an increase in body temperature that results from exercise. C)the rising sun causing an increase in body temperature in a stationary animal. D)an increase in body temperature that results from involuntary shivering. E)an increase in body temperature that results from fever.

D

The body's automatic tendency to maintain a constant and optimal internal environment is termed A)positive feedback. B)thermoregulation. C)negative feedback. D)homeostasis.

D

The type of muscle tissue surrounding internal organs, other than the heart, is A)cardiac muscle. B)striated muscle. C)skeletal muscle. D)smooth muscle.

D

As a result of the non-selectivity of the kidney's filtration of small molecules, __________. A)urine is always much less concentrated than blood B)many useful substances are lost in the urine C)the proportions of all the substances in the blood are the same as in the urine D)the kidneys have little control over body fluid composition E)useful substances must be selectively reabsorbed

E

Coordinating body functions via chemical signals is accomplished by A)the respiratory system. B)the integumentary system. C)the nervous system. D)the immune and lymphatic systems. E)the endocrine system.

E

Hormones are __________. A)always proteins B)produced only in response to environmental stress C)signals that must interact with DNA in order to be effective D)all under the control of the pituitary gland E)chemical signals between cells, transported in blood or hemolymph

E

The temperature-regulating center of vertebrate animals is located in the A)subcutaneous layer of the skin. B)thyroid gland. C)adrenal glands. D)pituitary gland. E)hypothalamus.

E

The four major categories of tissues are __________.

nervous, epithelial, connective, and muscle