Free Practice Quiz Question List

09 The Lymphatic and Immune Systems Online Quiz Questions

Use this free practice quiz with 20 questions to review 09 The Lymphatic and Immune Systems, test your knowledge, and prepare for your next test or exam.

20 questions

True or false

1 point

As lymph travels through lymphatic vessels, one-way valves help limit its backflow. True or false?

A
True
B
False

Choose one

1 point

After a meal, which role do lacteals perform in the small intestine?

A
They filter blood-borne threats in the spleen.
B
They absorb dietary fats in the small intestine.
C
They mature T cells in the thymus.
D
They return lymph directly to the heart.

Fill in the blank

1 point

Complete the comparison: B cells mature in the , while T cells mature in the .

Written response

1 point

What is interstitial fluid called after it enters a lymphatic vessel?

Choose one

1 point

Because lymph has no central pump, which combination best explains how it is propelled toward the chest?

A
The heart pumps lymph through a dedicated circuit.
B
Lymph moves only when lymph nodes contract.
C
Skeletal-muscle contractions, breathing movements, and vessel-wall contractions help move lymph.
D
Lymph flows by gravity alone.

True or false

1 point

The spleen filters blood, while lymph nodes filter lymph arriving from tissues. True or false?

A
True
B
False

Choose all

1 point

Select all of the following that are innate defenses.

A
Skin and mucous membranes form barriers.
B
Antibodies bind specific targets.
C
Neutrophils and macrophages can engulf microbes.
D
Memory B cells mount a faster response to a previously encountered antigen.
E
Natural killer cells can attack certain infected or abnormal cells.

Fill in the blank

1 point

Complete the route: activated lymphocytes may leave a lymph node through and ultimately rejoin the .

Written response

1 point

Which lymphatic duct drains most of the body?

Choose one

1 point

Material from an infected cut enters nearby lymphatic capillaries. What role can a regional lymph node play as that material travels through the lymphatic system?

A
A local lymph node can filter lymph carrying material from an infected tissue.
B
A nearby lymph node filters blood arriving from the heart.
C
A nearby lymph node matures T cells before they encounter antigens.
D
A nearby lymph node absorbs dietary fats from the intestine.

Choose all

1 point

Select all the functions or outcomes of adaptive defenses.

A
Plasma cells produce antibodies that bind specific targets.
B
Mucous membranes act as a broad physical barrier.
C
Some T cells coordinate immune activity or destroy infected cells.
D
Some activated B and T cells become memory cells.
E
Neutrophils engulf microbes as a rapid broad defense.

Choose one

1 point

Which lymphatic duct drains lymph from the right upper region of the body?

A
The right lymphatic duct
B
The thoracic duct
C
The jugular duct
D
The subclavian duct

Choose one

1 point

How can an antigen-presenting cell help connect an innate response to an adaptive response?

A
It produces antibodies that bind every type of microbe.
B
It matures T cells before they enter the blood.
C
It carries information about a microbe to a lymph node and presents it to T cells.
D
It filters blood-borne threats in place of the spleen.

Open ended

1 point

A bacterium enters through a small cut. Explain how local innate defenses, lymphatic flow to a regional lymph node, lymphocyte activation, and blood circulation can work together to address the infection.

Written response

1 point

Which primary lymphoid organ is where T cells mature?

True or false

1 point

Specialized lymphatic capillaries in the small intestine called lacteals absorb dietary fats and carry them in lymph.

A
True
B
False

Written response

1 point

A pathogen has entered the bloodstream. Which organ filters blood and helps immune cells respond to threats carried in it?

Choose one

1 point

A person’s lymph must continue moving toward the chest even though the lymphatic system has no central pump. Which explanation best accounts for this movement?

A
A central pump pushes lymph through the vessels in the same way the heart pumps blood.
B
Skeletal-muscle contractions, breathing movements, and vessel-wall contractions help move lymph toward the chest.
C
Lymph flows toward the chest because lymphatic capillaries actively draw it forward using cilia.
D
Lymph moves only when blood pressure directly pushes it through lymphatic vessels.

Choose one

1 point

After recognizing a particular antigen, a B cell becomes activated. Which outcome is consistent with the adaptive immune response?

A
B cells become macrophages that engulf all microbes without distinguishing targets.
B
B cells mature into natural killer cells that destroy infected cells.
C
B cells can become plasma cells that produce antibodies binding specific targets.
D
B cells become lymphatic vessel cells that carry antigens to the spleen.

Choose one

1 point

A nearby lymph node becomes temporarily enlarged while responding to material from an infection. Which explanation best fits this change?

A
Immune activity in the node increases, and the node may temporarily enlarge.
B
The node permanently expands because lymph flow stops whenever microbes arrive.
C
The node enlarges because it begins filtering blood instead of lymph.
D
The node swells because lymphatic vessels stop collecting tissue fluid.