lOMoARc PSD|26658602
Immune and Respiratory Systems
During an immune response, which cells disintegrate producing a chemical
net that traps nearby invaders?
T cells
B cells
macrophages
neutrophils
eosinophils
The first line of defense against foreign invaders is
.
adaptive immunity
the immune system
B and T cell activity
physical and chemical barriers
Question 2
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lOMoARc PSD|26658602
antibody production
"Friendly" bacteria located in the vagina that keep harmful bacteria and fungi
from growing are
.
Staphylococcus aureus
Streptococcus
Lactobacillus
Candida albicans
Staphylococcus alba
Mast cells are important in which body response?
adaptive immunity
antibody production
T and B cell activity
Question 3
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Question 4
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lOMoARc PSD|26658602
cell-mediated activity
inflammation
Which cells are found in lymph nodes to clear away bacteria and other
unwanted substances?
T cells
B cells
dendritic cells
macrophages
platelets
Which portion of the lymphatic system is the major site of antibody
production?
spleen
all lymph nodes
Question 5
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Question 6
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lOMoARc PSD|26658602
liver
thymus gland
thoracic duct
In what system does the acidic pH prevent pathogenic infections?
urinary
respiratory
endocrine
hepatic
cardiovascular
When activated, the complement system produces
.
fever
I Question 7
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Question 8
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lOMoARc PSD|26658602
membrane attack complexes
dendritic cell activation
antibodies
prostaglandins
Which disorder is caused by a bacterial infection resulting in lung edema that
makes it difficult to breathe?
pneumonia
influenza
tuberculosis
lung cancer
emphysema
The term that describes a tissue lacking oxygen is
.
hypoxic
Question 9
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Question 10
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lOMoARc PSD|26658602
hyperemia
hyperbaric
hypercapnia
hyperventilate
The common passageway for air and food is the
.
nasal cavity
epiglottis
glottis
pharynx
larynx
Which of the following is NOT a characteristic of alveoli?
I Question 11
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I Question 12
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small overall surface area
thin basement membrane
surfactant production
small diameter
reduced surface tension to maintain opening
In which disorder is the elastic tissue of the lung destroyed making expiration
extremely difficult?
emphysema
asthma
lung cancer
bronchitis
apnea
Question 14
I Question 13
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During the process of gas exchange, gases move
.
by active transport
down electrical gradients
through membrane channels
by facilitated diffusion
down partial pressure gradients
Which disorder is the result of a bacterial infection that destroys patches of
lung tissue and can also spread to other body parts?
pneumonia
influenza
tuberculosis
lung cancer
emphysema
Question 15
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lOMoARc PSD|26658602
If too little carbon dioxide is moving out of the lungs,
.
the blood pH will rise
oxygen levels will rise
bronchioles will relax
blood vessels will relax
respiratory activity will decrease
You take a deep breath and then exhale forcibly. The amount of air left in
your lungs is the
.
residual volume
respiratory rate
vital capacity
tidal volume
Question 16
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Question 17
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inspiratory reserve volume
Which type of lung cancer is the most aggressive form?
beta cell carcinoma
squamous cell carcinoma
large-cell carcinoma
adenocarcinoma
small-cell carcinoma
During swallowing food, which structure moves downward to prevent food
from entering the trachea?
larynx
pharynx
glottis
Question 18
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I Question 19
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lOMoARc PSD|26658602
epiglottis
bronchus
The voice box is also known as the
.
pharynx
trachea
bronchus
larynx
epiglottis
The double-layered membrane that covers the lungs is the
.
periosteum
pericardial membrane
Question 20
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Question 21
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lOMoARc PSD|26658602
peritoneal membrane
pleural membrane
intercostal membrane
Recognition of self versus non-self is accomplished by
.
macrophage function
complement system activation
B and T cell cloning
the presence of MHC markers on cell membranes
memory cell formation
During an active HIV infection, which cell type numbers drop significantly?
helper T cells
B cells
Question 22
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Question 23
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plasma cells
mast cells
cytotoxic T cells
T cells can only be activated by
.
antigens presented by other cells
apoptosis
memory cells
plasma cells
complement proteins
When carbon dioxide levels in the blood rise the
.
rate of breathing decreases
Question 24
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I Question 25
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depth of breathing decreases
activity of the central chemoreceptors decreases
amount of oxygen in the blood rises
pH of the cerebrospinal fluid falls
