NEW
Font size
S
M
L
XL
WorksheetsHomeostasis in the Body
Total questions: 43
Worksheet time: 41mins
Name
Class
Date
1.
A student infected by a common cold virus ran a low-grade fever. After a few days, the student's temperature returned to normal and the student was free of cold symptoms. The fever served as
a)
an antigen in the circulatory system
b)
an immune response to a pathogen
c)
a biological catalyst
d)
a weakened pathogen
2.
The hormone adrenaline can affect only cells with
a)
appopriately shaped receptors
b)
the appropriate antibodies
c)
ribosomes that produce adrenaline
d)
genes that break down adrenaline
3.
A dead or weakened pathogen used to establish immunity would most likely be found in
a)
a pesticide
b)
an antibiotic
c)
a vaccine
d)
a toxin
4.
A person usually experiences small variations in body temperature over a 24-hour period. These variations in temperature are an example of
a)
an immune response
b)
genetic differences between individuals
c)
an adaptation of global warming
d)
dynamic equilibrium
5.
In humans, which of the following is produced within bones, lymph nodes, the spleen, and thymus?
a)
blood cells
b)
muscle cells
c)
urea
d)
saliva
6.
In humans, carbon dioxide that is excreted passes from the blood directly into the...
a)
liver
b)
alveoli
c)
trachea
d)
kidneys
7.
The body cells of most multicellular animals are not in direct contact with the external environment. These cells are supplied with materials from the environment by...
a)
a central nervous system
b)
hydrolytic enzymes
c)
sensory receptors
d)
a circulatory system
8.
Although the digestive system is primarily responsible for the breakdown of food, this process can disrupted if the circulatory system malfunctions. The best explanation for this disruption is that
a)
human body systems interact with each other to perform life functions
b)
the circulatory system is the control center of the body
c)
the digestive system and the circulatory system have many organs in common
d)
the circulatory system is responsible for the coordination of life functions, including the breakdown of food
9.
Dogs can be vaccinated against the rabies virus. When a vaccinated dog is exposed to the rabies virus, the dog will most likely
a)
develop a mutation that will make the dog sick and the dog will die
b)
have a damaged immune system and will not be protected
c)
have an immune response and will be able to fight the microbes
d)
develop a response that will allow the system to attack its own cells
10.
An athlete who uses blood from another person for blood doping runs the risk of contracting a blood-borne disease because
a)
white blood cells are not passed on through blood transfusions
b)
blood is tested for pathogens before it is donated
c)
pathogens can exist in the blood and be passed on through transfusions
d)
iron is a pigment needed to carry oxgyen
11.
Tumor cells can be transferred between Tasmanian devils. Once infected with tumor cells, the Tasmanian devil does not produce an immune response and cancer spreads. Why does this occur?
a)
The white blood cells do not have the correct antibodies to recognize and fight this infection
b)
The Tasmanian immune cells do not recognize the cancer antigens
c)
Cancer cells have the ability to divide uncontrollably
d)
All of these statements are TRUE
12.
An increase in the blood's level of a thyroid gland hormone decreases the release of thyroid-stimulating hormones. This mechanism illustrates
a)
negative feedback
b)
enzyme action
c)
immune response
d)
positive feedback
13.
Maintenance of the pH of human blood within a certain range is an example of
a)
chemical digestion
b)
synthesis
c)
respiration
d)
dynamic equilibrium
14.
Homeostasis is illustrated in the human body by the effects of insulin on the amount of
a)
proteins digested
b)
amino acids absorbed into the blood
c)
oxygen transport to the lungs
d)
glucose in the blood
15.
A student is frightened by a loud noise, which results in a hormone being released into the blood. The hormone causes the student's heart to beat rapidly. The two systems that work together to cause this reaction are the endocrine system that secretes the hormone and the
a)
nervous system
b)
reproductive system
c)
excretory system
d)
digestive system
16.
When a person is suffering from an infection, such as strep throat or chicken pox, his blood would show a significant increase in the number of
a)
enzymes
b)
antibodies
c)
hormones
d)
sugars
17.
Which response usually occurs after an individual receives a vaccination for the influenza virus?
a)
hormones in the blood stop reproduction of the virus
b)
pathogens from the vaccine deactivate the virus
c)
enzymes released from antigens digest the virus
d)
antibodies against the virus are found in the blood
18.
A patient has just received an organ transplant. Which treatment would be most effective in preventing the patient's body from rejecting the organ?
a)
treat the patient with medications that decrease the immune system's response
b)
treat the patient with antibiotics to fight off a possible viral infection
c)
restrict the patient's salt intake
d)
give the patient blood transfusions
19.
The body makes chemicals that can help to destroy harmful viruses and bacteria. These chemicals are called
a)
antibodies
b)
vaccines
c)
hormones
d)
antibiotics
20.
A similarity between the nervous system and the hormone-secreting (endocrine) system in humans is that they both
a)
are composed of the same type of cells
b)
are composed of many glands
c)
help to maintain homeostasis
d)
secrete chemicals directly into the blood
21.
During exercise, the heart beats faster to
a)
carry digestive juices to the small intestines
b)
provide muscles with additional oxygen
c)
lower the blood pressure
d)
digest more food
22.
Which structure in a cell corresponds with the function of the human lungs?
a)
nucleus
b)
vacuole cell
c)
cell membrane
d)
mitochondria
23.
cells --> ? --> organs --> organ systems --> organism
What is "?"
What is "?"
a)
atoms
b)
molecules
c)
organelles
d)
tissues
24.
The activity of all the human body systems is coordinated by the
a)
secretion of hormones and the nervous system
b)
interaction of nerve impulses and excretory system
c)
movement of digested food by the circulatory system
d)
secretion of hormones and the circulatory system
25.
Organisms remove metabolic cellular wastes by process of
a)
excretion
b)
absorption
c)
coordination
d)
digestion
26.
Which two body systems are interacting in the diagram?
a)
respiratory & skeletal
b)
respiratory & circulatory
c)
digestive & circulatory
d)
reproductive & muscular
27.
Which two body systems are interacting in the diagram?
a)
respiratory & skeletal
b)
respiratory & circulatory
c)
digestive & circulatory
d)
reproductive & muscular
28.
A vaccine can protect you against a disease because it
a)
destroys toxic substances from bacteria before they can make you sick
b)
stimulates your immune system against the pathogen
c)
kills any pathogenic bacteria in your body
d)
changes pathogenic bacteria into harmless bacteria
29.
An organ, such as a kidney, used for transplant needs to be tested for compatibility with the person who is to receive the organ. If this is not done, the ...
a)
donated organ might attack the body
b)
donated organ might attack the immune system
c)
immune system might attack its own body cells
d)
immune system might attack the donated organ
30.
The two reactions illustrated in the diagram often occur when a foreign substance enters the body. The cells labeled A and B are examples of cells known as:
a)
guard cells
b)
reproductive cells
c)
white blood cells
d)
specialized skin cells
31.
The proteins on the surface of the foreign substance being eaten in cell A are called what?
a)
antigens
b)
antibodies
32.
The specific proteins being released from Cell B are called what?
a)
antigens
b)
antibodies
c)
antibiotics
d)
vaccines
33.
Cells have the ability to communicate with each other as a direct result of which features?
a)
Hereditary material in the nucleus
b)
Receptors on the cell membrane
c)
ATP made by the mitochondria
d)
Diffusion across the cell membrane
34.
Scientists are developing a malaria vaccine that would most likely contain
a)
weakened drugs used to treat the symptoms of malaria
b)
white blood cells from the malaria-infected individuals
c)
a weakened form of the malaria-causing organism
d)
antibodies made from the malaria-causing organism
35.
Energy drinks have become increasingly popular. Some of these drinks contain large amounts of caffeine, which is known to increase heart rates in most individuals. This effect on the heart rate can be dangerous because it can lead to
a)
a disruption in the absorption of starch
b)
an increase in blood volume
c)
a decrease in oxygen levels
d)
an imbalance in homeostasis
36.
The kidney is an organ that collects wastes and excess water from the blood and sends them to the bladder where they are stored before being removed from the body. Which two systems work together to perform this function?
a)
immune and respiratory
b)
circulatory and excretory
c)
skeletal and nervous
d)
digestive and circulatory
37.
Which statement correctly identifies the levels of organization for the structures indicated?
a)
A and B are tissues; E and G are organs.
b)
A and B are organs; E and G are systems.
c)
A and B are tissues; E and G are organelles
d)
A and B are organelles; E and G are organs
38.
Cells from structure E and cells from structure G are similar in that they
a)
have the same structure and function
b)
contain the same genetic material
c)
are identical in structure, but different in function
d)
contain only the genetic information needed for their specifi c job
39.
Which sequence best represents increasing complexity?
a)
tissues to cells to organelles to organs
b)
cells to organelles to organs to organism
c)
organelles to cells to tissues to organs
d)
organism to cells to tissues to organelles
40.
Pneumocystis is an organism found in the human lungs that can cause pneumonia. It seldom causes problems in individuals with healthy immune systems. However, people with AIDS sometimes become seriously ill with pneumonia. This is most likely due to the fact that individuals with AIDS have
a)
inherited a tendency to contract pneumonia
b)
difficulty fighting off infections
c)
an allergy to this organism
d)
hormones that strengthen the infection
41.
Molecules in a certain medication attach to receptors on nerve cells. This prevents the normal chemical signal from binding to the receptor. One immediate result of taking this medication might be a disruption in the ability of
a)
the body to produce reproductive cells
b)
cells to communicate with each other
c)
cells to synthesize proteins
d)
the body to convert inorganic material into organic nutrients
42.
Like humans, animals including dogs and cats get goose bumps. On a cold day, these goose bumps cause their coats to expand creating a layer of insulation. If the animal is scared, the coat will also expand making the animal look larger to predators. These responses serve as examples of
a)
allergic reactions
b)
learned behaviors
c)
detection and response to stimuli
d)
reproductive and feeding success
43.
A student received a flu shot in the fall. During the flu season, the student caught a cold. The most likely reason the vaccine he received did not prevent the cold was that
a)
his illness was not caused by a pathogen
b)
he did not get the vaccine at the right time of year
c)
his body produced antibiotics in response to the vaccine
d)
the vaccine he received contained only flu virus antigens
Reset
