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Name: ____________________________________
1. Which statement best describes arteries?
1. They have thick walls and transport blood away from
the heart.
2. They have thick walls and transport blood toward the
3. They have thin walls and transport blood away from the
4. They have thin walls and transport blood toward the
2. In humans, structures that release digestive
secretions directly into the small intestine include both the
1. salivary glands and the pancreas
2. gall bladder and the lacteals
3. villi and the salivary glands
4. pancreas and the gall bladder
4. Blood normally flows from the capillaries directly into
1. small arteries 3. lymph vessels
2. small veins 4. heart atria
5. The diagram below represents a portion of the
Humans breathe more rapidly during exercise than
before it because during exercise the blood contains
1. an increased level of oxygen
2. a decreased number of red blood cells
3. an increased level of carbon dioxide
4. a decreased amount of hemoglobin
3. 6. Producing blood cells and providing anchorage sites
for muscles are two functions of
1. skin 3. cartilage
2. bones 4. ligaments
Which is a correct statement about the process shown in the
1. It transports nutrients within the digestive tract.
2. It must occur prior the mechanical digestion of food in
the oral cavity.
3. It emulsifies fats for hydrolysis in the small intestine
4. It increases water absorption by the esophagus.
Figure 1
7. [Refer to figure 1]
Select the organ, indicated in the diagram, that is most closely
associated with the statement.
This organ stores bile.
1. 2. 3. 4. 5. 6. structure 1
structure 2
structure 3
structure 4
structure 5
structure 6
8. What is a major difference between red blood cells
and white blood cells?
1. Red blood cells contain hemoglobin, but white blood
cells do not.
2. Red blood cells can move, but white blood cells cannot.
3. Red blood cells contain nuclei, but white blood cells do
4. Red blood cells engulf foreign bacteria, but white blood
cells do not.
Figure 2
The diagram represents the pathway of the blood throughout the body.
9. [Refer to figure 2]
An acid necessary for enzyme action to occur is found within 1. structure 10 3. structure 5
2. structure 2 4. structure 4
10. Which organ or organ system is most closely associated with the malfunction called diabetes?
1. 3. 2. 4. Figure 3
11. [Refer to figure 3]
17. Which two systems are most directly involved in
Which two activities in the chart best describe the process of
1. A and C
2. B and C
3. C and D
4. A and D
providing molecules needed for the synthesis of fats in human
1. digestive and circulatory
2. excretory and digestive
3. immune and muscular
4. reproductive and circulatory
12. 18. An individual who has had chicken pox rarely gets
the disease again. This situation is an example of
1. biological control 3. active immunity
2. negative feedback 4. passive immunity
13. to
1. 2. 3. 4. A pulse can be detected most easily in
1. an artery 3. a capillary
2. a vein 4. a lacteal
The main function of the human digestive system is
19. rid the body of cellular waste materials
process organic molecules so they can enter cells
break down glucose in order to release energy
change amino acids into proteins and carbohydrates
The breaking apart of platelets in the blood helps in
14. transported throughout the body, but the hormone affects only
certain cells. The reason only certain cells are affected is that
the membranes of these cells have specific
1. receptors 3. antibodies
2. tissues 4. carbohydrates
15. A marathon runner frequently experiences muscle cramps while
running. If he stops running and rests, the cramps eventually
go away. The cramping in the muscles most likely results from
1. lack of adequate oxygen supply to the muscle
2. the runner running too slowly
3. the runner warming up before running
4. increased glucose production in the muscle
16. 1. 2. 3. 4. After a hormone enters the bloodstream, it is
In a human, the movement of glucose from the
digestive tract to muscle cells is most directly a result of
1. ingestion and digestion
2. absorption and circulation
3. anaerobic respiration
4. protein synthesis
20. synthesis of hemoglobin
formation of a clot
release of antibodies
deamination of amino acids
A student has a hamburger, french fries, and soda for
lunch. Which sequence represents the correct order of events
in the nutritional processing of this food?
1. ingestion → digestion → absorption → egestion
2. digestion → absorption → ingestion → egestion
3. digestion → egestion → ingestion → absorption
4. ingestion → absorption → digestion → egestion
21. Leverage, protection, and blood cell production are
primarily functions of
1. muscles 3. cartilage
2. tendons 4. bone
22. An allergic reaction to certain types of natural,
unprocessed foods, such as peanuts, is caused by
1. a lack of digestive enzymes
2. a response to specific antigens
3. microorganisms living within the food
4. high levels of carbon dioxide in the air
23. Cells of the immune system are able to respond to
the presence of invading organisms because they recognize the
1. antigens present on the invaders
2. antibodies present in invading pathogens
3. DNA pattern in the nuclei of viruses
4. antibiotics released from microbes
28. is caused by rhinovirus A. The person then becomes infected
with the avian influenza virus, which causes the bird flu. Which
statement best describes what will most likely happen to this
1. He will have the symptoms of the bird flu because he is
not immune to the avian influenza virus.
2. He will have the symptoms of the common cold because
he is not immune to the avian influenza virus.
3. He will not have the symptoms of the bird flu because he
is immune to rhinovirus A.
4. He will not have the symptoms of the common cold
because the avian influenza virus causes it.
29. 24. A new vaccine was developed and then tested on a
large sample of individuals. This new vaccine will be
considered effective if it helps prepare the body to fight future
invasion by
1. inhibiting the response of red blood cells
2. stimulating the reproduction of microbes
3. inhibiting the action of immune cells
4. stimulating the production of antibodies
25. dynamic equilibrium can result in
1. reproductive success 3. differentiation
2. gene manipulation 4. disease
30. Responses of the immune system to usually harmless
environmental substances are known as
1. antigen production
3. pathogens
2. chromosomal mutations 4. allergies
31. The diagram below represents a microscopic view of
A vaccine for the viral disease known as chicken pox
would contain
1. a large amount of live virus
2. a dead or weakened form of the pathogen
3. several different antibiotics
4. a small number of white blood cells
27. The failure of the human body to effectively maintain
An infection in the body might result in a sudden
1. decrease in the activity of antigens produced by the
2. decrease in the amount of DNA present in the nuclei of
3. increase in the activity of white blood cells
4. increase in the number of red blood cells
26. An individual recovers from the common cold, which
Cell A protects the body by producing specific chemicals in
response to pathogens. Cell A is
The human immune system fights infection by
1. ATPs
3. antibodies
2. antibiotics 4. antigens
1. a red blood cell 3. an insulin-producing cell
2. a bacteria cell 4. a white blood cell
32. An activity that occurs in the human body is shown
This activity helps to
1. 2. 3. 4. provide protection against pathogens
produce antibiotics to control disease
eliminate harmful gene alterations
regulate production of ATP by the cell