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Multiple Choice Quiz
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1
Endocrine glands secrete their product into _____.
A)the bloodstream
B)a duct
C)an organ
2
When pancreatic juices travel from the pancreas through the pancreatic duct to the small intestine, the pancreas is acting as an _____ gland.
A)exocrine
B)endocrine
3
There are _____ types of epithelial tissues.
A)one
B)two
C)three
D)four
4
Stratified means the tissue has layers piled one on top of the other.
A)True
B)False
5
The respiratory tract is lined with _____ which helps sweep impurities toward the throat so they don't enter the lungs.
A)hyaline cartilage
B)adipose tissue
C)pseudostratified ciliated columnar epithelium
D)skeletal muscle
6
A group of similar looking cells performing a similar function is a(n) _____.
A)organ
B)tissue
C)organ system
7
The mouth, pharynx, esophagus, stomach, small intestine, large intestine and anus would collectively be referred to as a _____.
A)tissue
B)organ
C)organ system
8
In vertebrate animals, there are _____ major types of tissues.
A)one
B)two
C)three
D)four
9
Body parts are bound and supported by _____ tissue.
A)muscle
B)connective
C)nervous
D)epithelial
10
A single layer of flat cells would be called _____ epithelium.
A)pseudostratified columnar
B)simple cuboidal
C)simple squamous
D)stratified columnar
11
In loose connective tissue, the fibroblasts are separated by a _____ matrix.
A)jellylike
B)rigid
12
How are epithelial tissue cells joined to one another?
A)tight junctions
B)adhesion junctions
C)gap junctions
D)all of the above
13
The epithelial lining of the digestive system needs to be leakproof so the cells would be joined by _____ junctions.
A)tight
B)adhesion
C)gap
14
Layers of cube-shaped cells piled on top of one another are _____ epithelium.
A)simple squamous
B)simple columnar
C)pseudostratified columnar
D)stratified cuboidal
15
A layer of simple squamous epithelium combined with a layer of smooth muscle and some loose fibrous connective tissue that transport blood away from the heart would be a(n) _____.
A)tissue
B)organ
C)organ system
16
Cardiac muscles cells exchange ions through _____ junctions so they can all contract together.
A)tight
B)gap
C)adhesion
17
Collagen provides flexibility and strength.
A)True
B)False
18
The outer layer of skin of most animals is formed of _____ tissue.
A)muscle
B)nervous
C)epithelial
D)connective
19
In terrestrial vertebrates, skin cells contain _____, a substance that decreases water loss.
A)keratin
B)glycogen
C)hyaline
D)lignin
20
Which is a function of connective tissue?
A)lost parts regeneration
B)fat storage
C)blood cell formation
D)all of the above
21
Tendons and ligaments contain _____.
A)adipose tissue
B)pseudostratified columnar epithelium
C)smooth muscle
D)dense fibrous connective tissue
22
Calcium salts are deposited in the matrix of _____.
A)bone
B)adipose
C)nervous tissue
D)all of the above
23
The presence of loose fibrous connective tissue in the lungs, arteries, and urinary bladder allows these organs to expand.
A)True
B)False
24
Which of the following is in the correct order of from the lowest level to the highest level of organization of living things?
A)tissue, organ system, cell, organ
B)molecule, tissue, cell, organ system
C)cell, tissue, organ, organ system
D)organ system, tissue, cell, molecule
25
The thin nonliving proteinaceous layer that anchors epithelium in place is called the _____.
A)intercellular matrix
B)basement membrane
C)haversian system
D)none of the above
26
Connective tissue cells are usually widely separated by a _____.
A)intercellular matrix
B)basement membrane
C)haversian system
D)all of the above
27
The fibroblasts of _____ tissue enlarge and store fat which insulates and pads the body.
A)loose fibrous connective
B)elastic connective
C)hyaline cartilage
D)adipose
28
In humans, cartilage is found _____.
A)at the end of the nose
B)in the trachea
C)within intervertebral disks
D)all of the above
29
Some vertebrates have entire skeletons of cartilage.
A)True
B)False
30
The central canal in a Haversian system contains _____.
A)blood vessels
B)nerve fibers
C)both A and B
31
Blood is unlike other types of connective tissue because its intercellular matrix is fluid.
A)True
B)False
32
In vertebrates, the blood contains _____.
A)fibroblasts
B)osteocytes
C)platelets
D)all of the above
33
Which muscle fibers are striated?
A)skeletal
B)smooth
C)both A and B
34
Smooth muscle _____.
A)is found in the stomach
B)is involuntary
C)helps regulate blood pressure
D)all of the above
35
Cardiac muscle seems to combine features of both smooth muscle and skeletal muscle.
A)True
B)False
36
Contraction of the _____ muscle is under voluntary control.
A)cardiac
B)skeletal
C)smooth
D)all of the above
37
Nervous tissue is present in _____.
A)the brain
B)nerves
C)the spinal cord
D)all of the above
38
Neurons have fibers called _____ which are found outside the brain and spinal cord in nerves.
A)dendrites
B)axons
C)both A and B
39
Neurons are supported, protected and nourished by a group of cells called _____.
A)neuroglia
B)osteocytes
C)fibroblasts
D)squamous cells
40
Myelin sheaths around neuron fibers in the brain and spinal cord are formed by _____.
A)stratified squamous epithelium
B)osteons
C)oligodendrocytes
D)fibroblasts
41
Which of the following is a function of the neuroglial cells?
A)growth factor production.
B)phagocytosis of bacteria.
C)provide nutrients.
D)both b and c.
42
Which is the outer layer of skin?
A)subcutaneous
B)dermis
C)epidermis
43
Which of the following is a function performed by the skin?
A)vitamin D synthesis
B)regulation of body temperature
C)protection from water loss
D)all of the above
44
Goose bumps are the result of contraction of the arrector pili muscles that are attached to the hair follicles.
A)True
B)False
45
Hair follicles and sebaceous glands are found in the _____ layer of skin.
A)epidermal
B)dermal
C)subcutaneous
46
In the skin, the receptors for pressure, touch, temperature and pain are all the same.
A)True
B)False
47
If sebaceous glands fail to discharge their oily secretions, whiteheads or blackheads result.
A)True
B)False
48
Excessive development of the dermal layer of skin accompanies obesity.
A)True
B)False
49
The dermal layer of skin contains _____.
A)melanocytes
B)adipose tissue
C)keratinized cells
D)none of the above
50
The subcutaneous layer is composed of _____.
A)stratified squamous epithelium
B)adipose tissue
C)loose connective tissue
D)both B and C
51
The epidermis contains _____ which produce the pigment responsible for skin color.
A)hair follicles
B)melanocytes
C)Pacinian corpuscles
D)fibroblasts
52
The epidermis is composed of _____ epithelial tissue.
A)pseudostratified ciliated columnar
B)simple cuboidal
C)stratified squamous
D)all of the above
53
The major portions of the digestive and excretory systems are in the _____ cavity.
A)thoracic
B)abdominal
54
Some authorities call skin the _____ system.
A)urinary
B)lymphatic
C)cardiovascular
D)integumentary
55
If you get a paper cut, the skin's ability to _____ will be compromised.
A)regulate body temperature
B)prevent pathogen invasion
C)produce vitamin D
D)protect you from UV radiation
56
The thoracic cavity contains the _____.
A)heart
B)liver
C)pancreas
D)kidneys
57
The same organ systems are found in all vertebrate animals.
A)True
B)False
58
The dorsal body cavity contains the _____.
A)spinal cord
B)diaphragm
C)brain
D)both A and C
59
The system responsible for protecting the body from disease is the ______ system.
A)muscular
B)endocrine
C)immune
D)urinary
60
The acquisition of materials and energy is the responsibility of the _____ system.
A)digestive
B)skeletal
C)muscular
D)all of the above
61
Which of the following will help prevent the possible occurrence of skin cancer?
A)wearing a baseball hat.
B)staying out of the sun from 10 A.M. until 3 P.M.
C)getting a tan with a tanning bed.
D)all of the above.
62
Cancer causing UV-B rays are less prevalent at midday.
A)True
B)False
63
The regulating center for body temperature is located in the _____.
A)hypothalamus
B)thalamus
C)both A and B
64
To achieve homeostasis _____ must stay within a normal range.
A)body temperature
B)blood pressure
C)blood pH
D)all of the above
65
The _____ system maintains the amount of oxygen and carbon dioxide in the blood.
A)digestive
B)urinary
C)respiratory
D)immune
66
Anti-diuretic hormone (ADH) is released when blood pressure is low. ADH causes the kidneys to retain water which increases blood pressure. Then ADH decreases. This is an example of _____ feedback.
A)positive
B)negative
67
Negative feedback control results in fluctuation above and below an average.
A)True
B)False
68
During labor, oxytocin stimulates uterine contractions. Uterine contractions stimulate the continued production of oxytocin. This is an example of _____.
A)positive
B)negative
69
Homeostasis is controlled by _____.
A)the nervous system
B)hormones
C)both A and B
70
When body temperature falls below normal, the regulatory center _____.
A)directs the blood vessels of the skin to dilate
B)directs the skeletal muscle to contract resulting in shivering
C)activates the sweat glands
D)all of the above
71
A useful analogy for how a negative feedback mechanism works is the control of the heating system in a house by a thermostat.
A)True
B)False
72
Positive feedback occurs less often than negative feedback.
A)True
B)False
73
When body temperature is too high the blood vessels of the skin _____.
A)dilate
B)constrict
74
The regulatory centers bring about a response that is opposite to present conditions with _____ feedback.
A)positive
B)negative
75
The absence of homeostasis can cause an organism to die.
A)True
B)False







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