QUIZ 5 BIOL 101
Question 1
3.2 out of 3.2 points
What is the name of a contractile unit of a muscle?
Selected
Answer:
sarcomer
e
Question 2
3.2 out of 3.2 points
The function of the kidney is
Selected
Answer:
all of the
above
Question 3
3.2 out of 3.2 points
Which of the following sequences would best describe how a signal moves through a
reflex arc?
Selected
Answer:
sensory receptor>>sensory neuron>>motor
neuron>>effector muscle
Question 4
3.2 out of 3.2 points
Which structure within the brain has the role of generating emotions?
Selected
Answer:
limbic
system
Question 5
0 out of 3.2 points
Macrophages seek out foreign invaders in the ______________, while neutrophils, at least
initially are on patrol in the ___________.
Selected
Answer:
bloodstream, body
tissues
Question 6
3.2 out of 3.2 points
The structure of a human neuron uniquely and perfectly fits it for its signal-carrying role.
The neuron is
Selected
Answer:
especially long in one
dimension.
Question 7
0 out of 3.2 points
When a vaccine is given to a person with a healthy immune system, the result is
Selected
Answer:
a general weakening of the immune system until the
vaccine is gone.
Question 8
3.2 out of 3.2 points
The role of the ___________ branch of the autonomic nervous system mediates control of
organ processes when the body is essentially ______.
Selected
Answer:
parasympathetic, at
rest
Question 9
3.2 out of 3.2 points
Which of the following is part of the human digestive system, correctly matched to the
role it plays in the digestion process?
Selected
Answer:
stomach: a muscular organ the receives and temporarily
stores food
Question 10
3.2 out of 3.2 points
In the basic structure of the human heart, blood first flows through the right atrium, then
it travels to the:
Selected
Answer:
right
ventricle
Question 11
3.2 out of 3.2 points
Your adaptive immune response has all of the following characteristics except that it is
not
Selected
Answer:
constitutive (always present from birth till
death).
Question 12
3.2 out of 3.2 points
The nervous system interacts with the ___________ system to coordinate the internal
integration of all the other body systems together.
Selected
Answer:
endocri
ne
Question 13
3.2 out of 3.2 points
As a student runs up a flight of stairs, her integumentary system serves her by
Selected
Answer:
providing moisture for evaporation to moderate her body
temperature.
Question 14
3.2 out of 3.2 points
A muscle is composed of thousands of muscle cells (fibers) bound into groups of 100 or
more fibers call __________ each of which is surrounded by _________ tissue called
perimysium.
Selected
Answer:
fascicles,
connective
Question 15
3.2 out of 3.2 points
Caffeine affects synapses by
Selected
Answer:
binding to adenosine receptors without
activating them.
Question 16
3.2 out of 3.2 points
The function of the urinary bladder is to
Selected
Answer:
store urine prior to its voiding from
the body.
Question 17
3.2 out of 3.2 points
Which of the following brain regions and their functions are improperly matched?
Selected
Answer:
medulla – analytical thought,
vision
Question 18
3.2 out of 3.2 points
The most common molecule in blood is:
Selected
Answer:
wate
r.
Question 19
3.2 out of 3.2 points
The hepatic portal vein forms from capillary beds in ______________ and leads to a second
set of capillary beds in ______________.
Selected
Answer:
the small intestine, the
liver
Question 20
0 out of 3.2 points
The efferent or motor branch of the peripheral nervous system is subdivided into the
______ (voluntary) and ____________ (involuntary) nervous systems.
Selected
Answer:
autonomic,
somatic
Question 21
3.2 out of 3.2 points
Which of the following processes is involved in muscle contraction?
Selected
Answer:
Myosin filaments use protein heads to attach sequentially to sites on
actin filaments.
Question 22
3.2 out of 3.2 points
Vaccination works because
Selected
Answer:
our immune system remembers the same foreign entity if we are re-
infected with it.
Question 23
3.2 out of 3.2 points
Which of the following systems of the body interact with the nervous system?
Selected
Answer:
all of the
above
Question 24
3.2 out of 3.2 points
Which of the following is not an element of the spinal reflex arc?
Selected
Answer:
brain
interneuron
Question 25
3.2 out of 3.2 points
The calcium-binding protein in smooth muscle is _______; while the calcium-binding
protein in skeletal muscle is ______.
Selected
Answer:
calmodulin,
troponin
Friday, November 29, 2019 11:51:52 AM EST
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