How can we help?

You can also find more resources in our Help Center.

34 terms

Bio 106 QUIZ QUESTIONS #3

STUDY
PLAY
Embryonic cells that have the potential to become any cell type are called
stem cells
The tissue that lines internal surfaces of the body is
epithelial
What type of tissue is blood?
connective
Which of the following represents the correct hierarchy of organization in the human body?
-cells —> tissues —> organs —> organ systems
Maintaining the volume and composition of body fluids is the direct responsibility of which system?
urinary
What we usually call the "back" of the human body is really the
posterior
The nervous system is produced by
the ectoderm
Which of the following functions can the skin perform?
all of the above
UV light is necessary for the production of which vitamin?
vitamin D
Four of the five answers below pertain to smooth muscle, select the exception
voluntary
The basic unit of the nervous system is
neuron
The resting potential of a neuron is approximately
-70 millivolts
Which is a junction between two neurons?
chemical synapse
All nerves that conduct impulses away from the central nervous system are
motor only
Active chemicals found in chocolate, tea, coffee, and soft drinks are examples of which of the following?
stimulant
A stretch receptor is classified as a
mechanoreceptor
Receptors in the human nose are
chemoreceptors
The sense of equilibrium can detect
all of these
Eyes are
photoreceptors
The part of the eye that may be colored (for example, brown, blue, green, or gray) is the
iris
Which of the following act as signaling molecules?
hormones, neurotransmitters, and pheromones
Hormones are distributed throughout the body by the
blood system
Which gland secretes hormones that affect other endocrine glands?
pituitary


The molting hormone of insects is:ecdsyone
Which organisms have a hydrostatic skeleton with a soft body wall?
sponges
Which organisms have a somewhat rigid internal skeleton and many muscles?
vertebrates
The mineral stored in greatest quantity in bones is
calcium
Bones in fingers or toes are called
phalanges
The body's strongest weight-bearing bone is the
femur
Which of the following muscle pairs are antagonistic?
bicepts and tricepts
Four of the five answers listed below are energy sources for muscles, Select the exception.
sacromeres.
The main energy for prolonged muscle work comes from:
aerobic respiration of carbohydrates and fats
The pectoralis major muscle is located:
chest
The most immediate, but necessarily limited, source of energy for reformation of ATP in muscle cells is:
creatine phosphate
A goiter is an enlarged form of which gland?:
thyroid