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The Physiology of Growth and Senescence
Chapter Quiz
1
Increase in size and weight of which of the following tissues is not considered to be true growth?
A)
bone
B)
muscle
C)
adipose
D)
heart
E)
brain
2
From a chemical standpoint, true growth is an increase in protein and what other nutrient in the body?
A)
lipid
B)
carbohydrate
C)
water
D)
mineral
3
What term applies to growth resulting from increase in the number of body cells?
A)
intussusception
B)
hyperplasia
C)
hypertrophy
D)
compensatory
4
Connective tissue proliferates in wounds as a result of what cell type?
A)
fibroblasts
B)
epidermal
C)
dermal
D)
leukocytes
E)
red blood cells
5
Which type of tissue contains multiple nuclei per cell?
A)
epidermal
B)
dermal
C)
skeletal muscle
D)
smooth muscle
E)
nervous
6
Mononucleated cells associated with muscle cells and involved in muscle hypertrophy are given what name?
A)
polymorphic
B)
adipoblast
C)
adipocyte
D)
progenetors
E)
satellite
7
"Brown fat" cells are more likely found in what group of animals?
A)
newborn mammals
B)
rapidly growing animals around sexual maturity
C)
starving ruminants
D)
very old horses
E)
animals living near the equator
8
Which cell has no nucleus when in the fully mature state?
A)
osteoblast
B)
smooth muscle cell
C)
heart muscle cell
D)
red blood cell
E)
neuron
9
Growth hormone in male mammals is produced in what gland?
A)
anterior pituitary
B)
adrenal
C)
pancreas
D)
testicle
E)
thyroid
10
Which hormone contains four molecules of iodine?
A)
oxytocin
B)
estrogen
C)
thyroid hormone
D)
growth hormone
E)
prolactin
11
Estrogen is primarily produced by what tissue?
A)
pituitary
B)
hypophyseal stalk
C)
adrenal glands
D)
ovary
E)
uterine body
12
Regeneration in mammals is generally limited to tissues such as hair, nails, skin, blood and liver cells whereas a salamander can regenerate a lost leg.
A)
TRUE
B)
FALSE
13
The term "neonate" refers to a newborn animal.
A)
TRUE
B)
FALSE
14
Adipose cells have the ability to grow dramatically when fat is being stored and to shrink just as dramatically when energy reserves are needed.
A)
TRUE
B)
FALSE
15
The organization of various dividing cells into special organs is termed hyperplasia
A)
TRUE
B)
FALSE
16
Genes transmitted by the sire may limit birth size of the progeny even though mother size may be large.
A)
TRUE
B)
FALSE
17
When plotting age of individual versus weight from birth to maturity for most organisms you will find a relatively straight-line growth relationship.
A)
TRUE
B)
FALSE
18
Growth hormone is species specific. In other words, human growth hormone is not capable of impacting the growth of a calf.
A)
TRUE
B)
FALSE
19
Hypophysectomy causes skeletal growth to cease.
A)
TRUE
B)
FALSE
20
Castration of pigs removes their source of growth hormone.
A)
TRUE
B)
FALSE
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