Name: 
 

AP CH33


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 
Which of the following is an example of a negative feedback response?
a.
As the uterus contracts, more oxytocin is released to intensify the level of uterine contractions.
b.
The smell of food or the sight of pictures of a sumptuous meal makes a person hungrier.
c.
Meerkats bask in the sunlight at the beginning of the day but avoid it during the heat of the day.
d.
Sexual stimulation leads to arousal and climax.
e.
Accumulation of undigested food in the bowels leads to the defecation reflex.
 

2. 
Which of the following terms applies to the functioning of the human body?
a.
cytology
b.
anatomy
c.
psychology
d.
physiology
e.
endocrinology
 

3. 
Which of the following terms applies to the structural aspects of the human body?
a.
cytology
b.
anatomy
c.
psychology
d.
physiology
e.
endocrinology
 

4. 
The minimum level of organization required for a "division of labor" is the __________ level.
a.
cellular
b.
organ
c.
tissue
d.
organ system
e.
body
 

5. 
Which of the following statements is NOT true?
a.
Tissues are composed of cells with similar structures but different functions.
b.
There are four major types of tissues found in animals.
c.
Tissues exhibit division of labor.
d.
Tissues are organized to form organs.
e.
All of these are true.
 

6. 
A cell in the pancreas is unaffected by which of the following features of muscle or bone tissue?
a.
Contraction of muscle cells aids in circulation of blood and lymph.
b.
Bone tissue serves as a reservoir for certain minerals such as calcium and potassium.
c.
Muscle contraction during a reflex action helps to avoid a falling piano.
d.
Bone tissue through hemopoesis results in blood cell production.
e.
None of these, because all directly or indirectly affect any given cell in the pancreas.
 

7. 
The tissue that lines all internal surfaces is
a.
epithelium.
b.
loose connective.
c.
supportive connective.
d.
fibrous.
e.
adipose.
 

8. 
Adhering and gap junctions are found at the
a.
endoplasmic reticulum.
b.
nuclear membrane.
c.
plasma membrane.
d.
Golgi apparatus.
e.
ribosomes.
 

9. 
Cells with gap junctions are typical of tissues
a.
that suffer wear, abrasion, and mechanical insults.
b.
such as bone and cartilage that must withstand external forces.
c.
that require rapid exchange of chemical messages, as is the case for cardiac muscle.
d.
that secrete enzymes or hormones.
e.
all of these
 

10. 
The secretion of tears, milk, sweat, and oil is a function of what tissue?
a.
epithelial
b.
loose connective
c.
lymphoid
d.
nervous
e.
adipose
 

11. 
Which of the following is true of the basement membrane?
a.
It overlies the epithelium at its free surface.
b.
It is composed partially of epithelial cells and partially of connective tissue.
c.
It is mostly lipid and embedded celluloid fibers.
d.
It lies between the epithelium and connective tissue.
e.
It cements the layers of stratified epithelium together.
 

12. 
Which of the following is NOT defined as connective tissue?
a.
bone
b.
skeletal muscle
c.
cartilage
d.
collagen
e.
blood
 

13. 
Dense fibrous tissues that connect muscle to bone are called
a.
muscles.
b.
cartilage.
c.
ligaments.
d.
tendons.
e.
all of these
 

14. 
Bones are linked together at skeletal joints by
a.
tendons.
b.
intercellular junctions.
c.
ligaments.
d.
cartilage.
e.
collagen.
 

15. 
Tendons connect
a.
bones to bones.
b.
bones to ligaments.
c.
muscles to bones.
d.
bones to cartilage.
e.
all of these
 

16. 
Cartilage is found
a.
in the nose.
b.
in the embryonic skeleton.
c.
in the external ear.
d.
between vertebrae.
e.
all of these
 

17. 
A student attempting to learn more about the process of embryological development manipulated an embryo early in the developmental process. The creature that developed was normal in almost every aspect, except for some of the organs lining the digestive tract. The tissue that was disturbed was
a.
ectoderm.
b.
endoderm.
c.
gastroderm.
d.
mesoderm.
e.
both ectoderm and gastroderm.
 

18. 
Muscle cells are produced by
a.
the ectoderm.
b.
the endoderm.
c.
the mesoderm.
d.
the ectoderm and endoderm.
e.
all of the germ layers.
 

19. 
The lining of the intestinal tract is produced by
a.
the ectoderm.
b.
the endoderm.
c.
the mesoderm.
d.
the endoderm and mesoderm.
e.
all of the germ layers.
 

20. 
The external covering of the body is produced by
a.
the ectoderm.
b.
the endoderm.
c.
the mesoderm.
d.
the ectoderm and mesoderm.
e.
all of the germ layers.
 

21. 
The lining of the gut and the stomach, liver, and pancreas are produced by
a.
the ectoderm.
b.
the endoderm.
c.
the mesoderm.
d.
two of the germ layers.
e.
all of the germ layers.
 

22. 
The endocrine system functions in
a.
conduction.
b.
contraction.
c.
hormonal control of body functioning.
d.
protection against disease.
e.
cell production.
 

23. 
The maintenance of the volume and composition of body fluids is the direct responsibility of which system?
a.
integumentary
b.
immune
c.
digestive
d.
urinary
e.
circulatory
 

24. 
Organs of which of the following systems are the most diffuse and the least likely to be physically connected?
a.
integumentary system
b.
endocrine system
c.
skeletal system
d.
muscular system
e.
digestive system
 

25. 
What we usually call the "back" of the human body is really the
a.
anterior.
b.
posterior.
c.
inferior.
d.
superior.
 

26. 
Which of the following is most directly associated with a stimulus?
a.
integrators
b.
receptors
c.
effectors
d.
central nervous system
e.
all of these
 

27. 
Which of the following is the correct sequence involved in the regulation of organ systems?
a.
stimulus, receptor, integrator, response, effector
b.
stimulus, response, integrator, receptor, effector
c.
stimulus, receptor, integrator, effector, response
d.
stimulus, integrator, receptor, effector, response
e.
stimulus, effector, integrator, receptor, response
 

28. 
Control of body temperature is an example of which of the following?
a.
homeostatic mechanism
b.
positive feedback system
c.
endocrine function
d.
negative feedback system
e.
both homeostatic mechanism and negative feedback system
 

29. 
In feedback systems,
a.
two sets of organs may act in opposition to each other.
b.
a set point may be established.
c.
receptors are required to monitor changing conditions.
d.
changes in environmental conditions (either internal or external) result in a response by the organism.
e.
all of these
 

30. 
Which of the following involves a positive feedback stimulation?
a.
temperature control
b.
sexual stimulation
c.
glucose concentration
d.
absorption of toxins
e.
muscle contraction
 

Short Answer
 
 
Connective Tissue

Answer the following questions in reference to the five types of connective tissue listed below:

a.      loose tissue
b.      dense tissue
c.      adipose tissue
d.      cartilage
e.      blood
 

31. 
Refer to Connective Tissue. Tendons are composed of this.
 

32. 
Refer to Connective Tissue. The elasticity of skin is due to the presence of this kind of tissue.
 

33. 
Refer to Connective Tissue. This tissue plays an important role in stabilizing body temperature.
 

34. 
Refer to Connective Tissue. This tissue provides nourishment to each of the other connective tissues.
 
 
Organ Systems

Answer the following questions in reference to the five organ systems listed below:
a.      circulatory
b.      lymphatic
c.      digestive
d.      endocrine
e.      respiratory
 

35. 
Refer to Organ Systems. The first line of defense against infectious bacteria found in food lies in this system.
 



 
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