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WorksheetsUnit 7: Body Systems and Disease
Total questions: 37
Worksheet time: 49mins
Name
Class
Date
1.
The protein that sits on pathogenic surfaces and elicits an immune response is known as
a)
antigen
b)
histamine
c)
antibody
d)
B cell
2.
Which of the following is part of innate immunity (nonspeciic)?
a)
B cells
b)
Cell-Mediated Response
c)
Inflammation
d)
Humoral Response
3.
Which type of cell will remember what the antigen looks like and produce a rapid secondary response?
a)
Plasma B cells
b)
Memory B cells
c)
Plasma T cells
d)
Memory T cells
4.
A secondary immune response will be faster when...
a)
The individual has encountered the pathogen already
b)
The individual's macrophage count is low
c)
The individual has encountered the pathogen and has memory B cells circulating
d)
All of the above
5.
When a virus is latent and inserts its DNA into the host cells genome, we call this what phase?
a)
Lysogenic
b)
Lytic
c)
Both lysogenic and lytic
d)
None of the above
6.
Label the Neuron-What does the letter "D" represent and which way will the message be sent
a)
Dendrite: left to right
b)
Axon: left to right
c)
Myelin Sheath: right to left
d)
Axon: right to left
7.
In this diagram of a motor neurone, the dendrites are labelled
a)
1
b)
2
c)
3
d)
4
8.
Identify Z
a)
Axon
b)
Neurotransmitters
c)
Dendrite
d)
Synapse
9.
The sodium potassium pump usually pumps
a)
potassium out of the cell
b)
sodium out of the cell
c)
sodium into the cell
d)
both potassium and sodium into the cell
10.
This cell is the first to recognize foreign bodies, engulf them and display their antigens to the other cells
a)
Macrophage
b)
T Cells
c)
B Cells
d)
Antibodies
11.
What is the function of the endospore in bacteria?
a)
Attachment and exchange of genetic material
b)
Maintains the cell wall and cell membrane of the bacteria
c)
Allows for germination to occur after exposure to harsh conditions
d)
Enables the bacteria to move around
12.
Asexual reproduction in bacteria that results in genetically identical offspring is known as:
a)
Binary Fission
b)
Conjugation
c)
Mitosis
d)
Fragmentation
13.
Which of the following BEST describes how chemoautrophs obtain their food.
a)
Produce their own food using light
b)
Break down chemical compounds
c)
Produce their own food using radiation
d)
Produce their own food using heat
14.
Which of the following can lead to antibiotic resistance?
a)
Taking antibiotics for viruses
b)
Not taking all you prescribed antibiotics
c)
Bacterial mutations
d)
All of these
15.
The process of one bacteria cell passing genetic material to another bacteria cell while joined together by its pilus is called
a)
conjugation
b)
binary fission
c)
cloning
d)
exponential growth
16.
Bacteria can be helpful to humans by
a)
fixing Nitrogen.
b)
being used to make food and medicine.
c)
environmental cleanup and recycling.
d)
all of the answer choices.
17.
_________ are found in BOTH viruses and in all living organisms.
a)
Genetic Material
b)
Cell membranes
c)
Ribosomes
d)
Nuclei
18.
________ is used to prevent viral diseases while _______ are used to kill bacteria.
a)
vaccine; antibiotics
b)
antibiotics; vaccine
19.
Which of the following occurs after a virus attaches to a host cell in the viral reproduction process?
a)
The host cell dies
b)
The virus dies
c)
The virus inserts its genetic information into the host cell
d)
copies of the virus are immediately released from the host
20.
The lytic cycle results in
a)
destruction of the infected cell and the membrane
b)
multiple new cells
c)
insertion of viral DNA into hosts genome
d)
bacterial replication
21.
Reasons that viruses are considered to be nonliving is because
a)
They are not made of cells
b)
They cannot reproduce on their own
c)
They cannot make proteins
d)
all of the above
22.
Action potentials move along axons
a)
by reversing the gradients in the sodium - potassium pump
b)
quicker in a myelinated vs nonmyelinated axons
c)
quicker if the axon is smaller in diameter
d)
at the same rate all the time
23.
The division of the nervous system that has opposing actions are
a)
motor and sensory
b)
central and peripheral
c)
sympathetic and parasympathetic
d)
all of the above
24.
What is the function of reverse transcriptase in retroviruses?
a)
it transates viral RNA into proteins
b)
It uses viral RNA to make complementary RNA strands
c)
it uses viral RNA as a template for DNA synthesis
d)
all of the above
25.
Neurons are cells of the nervous system that receive and transmit signals. Which part of a neuron receives incoming messages from other cells and carry information to the cell body?
a)
axon
b)
dendrites
c)
neurotransmitters
d)
nucleus
26.
Which term refers to the difference in electrical charges on either side of a cell membrane?
a)
membrane potential
b)
electricity
c)
signal transduction
d)
negativity
27.
How do cells maintain their membrane potential?
a)
By using sodium-potassium pumps to actively (with ATP) transport ions
b)
By using sodium-potassium pumps to passively (without ATP) transport ions
c)
simple diffusion
d)
osmosis
28.
The depolarization phase of an action potential is caused by:
a)
Na+ rushing into the axon
b)
K+ rushing out of the axon
c)
Ca++ rushing into the axon
d)
Activation of Na/K pumps
29.
The resting potential of a neurone membrane is
a)
-70mV
b)
70mV
c)
70V
d)
40mV
30.
All of the following are aspects of inflammation except:
a)
constriction of blood vessels
b)
phagocytes and neutrophils produce cytokines that signal the brain to produce a fever
c)
increase in permeability of blood vessels
d)
pain
31.
The primary purpose of vaccines is to __.
a)
induce inflammation
b)
activate the immune system to produce memory cells
c)
stimulate natural killer cells
d)
initiate the innate immune response
32.
What happens first in the inflammatory response?
a)
macrophages arrive and consume pathogens
b)
histamine is released by injured mast cells
c)
arteries to injury dialate
d)
veins from the injury constrict
33.
What is the role of antibodies?
a)
Kills pathogens
b)
Helps activate other immune cells
c)
Produces antibodies
d)
Binds to antigens and neutralizes pathogen
34.
Transformation occurs when ________________.
a)
None of these.
b)
a virus injects DNA into the bacterium.
c)
a plasmid is transferred from one bacteria to another.
d)
bacteria take up DNA from the environment.
35.
Which of the following responses is a plant growing toward or leaning toward light?
a)
photoperiodism
b)
hydrotropism
c)
phototropism
d)
gravitropism
36.
What is the definition of a biological rhythm?
a)
When you play the drums on your friends belly
b)
Distinct patterns of changes in body activity that conform to cyclical time periods
c)
The sleep/wake cycle
d)
An internal response to a change in your environment
37.
Which type of behavior is most likely to occur due to a seasonal change stimulus?
a)
migration
b)
hunting behaviors
c)
reproduction
d)
social grooming
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