Check your understanding ch. 17 & ch. 20

The function of B cells in the immune response is ________.

to produce plasma cells that make antibodies

The final step in coagulation is the formation of ________.

Fibrin

This cell is the largest white blood cell. It lacks cytoplasmic granules and has a kidney-shaped nucleus.

Monocyte

This component of blood plasma includes molecules that are important for body defense, osmotic balance, and lipid transport.

Plasma proteins

This formed element is essential for blood clotting.

Platelets

A blood test reveals a large increase in the number of RBCs. One possible explanation for this may be ________.

Polycythemia

Although all of the organs below can raise an immune response, only this one filters the lymph.

lymph nodes

A normal red blood cell count is ________.

4- 6 million/mm3 of blood

The total white blood cell count ranges from ________ to ________ /mm3 of blood.

4800, 10,800

Germinal centers in the cortex of lymph nodes contain primarily ________.

B cells

You performed a blood typing activity in the lab. You observed agglutination (clumping) with anti-B and anti-Rh serum. Based on the test results you can conclude that the blood type you tested was ________.

B+

A person who has symptoms of paleness and chronic fatigue is suspected of having anemia. To investigate this suspicion further, it would be most helpful to measure ________.

Hematocrit

From the choices listed here, the most accurate way to assess the oxygen-carrying capacity of the blood is probably to measure its ________.

Hemoglobin content

A person with type AB blood receives a transfusion of type O blood. Will there be a transfusion reaction? Why or why not?

No: the recipient has no antibodies to antigens A and B, and therefore can receive blood from a type O donor.

What causes the flow of lymph to slow within lymph nodes?

There are more afferent vessels than efferent vessels.

What is not true about antibodies?

They are cells

What is true about blood typing?

Type AB blood contains antigens A and B.

Lymph vessels resemble these vessels of the systemic circulation.

Veins

Which of the following white blood cells are granulocytes?

basophils and neutrophils

In the tonsils, these structures trap bacteria and other foreign material.

crypts

You can recognize these white blood cells because they have a bilobed nucleus and red granules in the cytoplasm.

eosinophil

These white blood cells kill parasitic worms and play a complex role in allergic responses and asthma.

eosinophils

Lymph in the cisterna chyli differs in composition from lymph in the general lymphatic stream in that it contains more ________.

fat

Antigens that can provoke an immune response include ________.

foreign proteins, polysaccharides, and small molecules, called haptens that link to our own body proteins

Normally, the amount of plasma in whole blood is ________ than the amount of formed elements; plasma makes up approximately ________ percent of whole blood.

greater; 55

B cells provide this kind of immunity.

humoral

This medullary region of the lymph node contains primarily ________.

macrophages

Platelets are cell fragments of large multinucleate cells called ________.

megakaryocytes

These are the most abundant leukocytes, constituting 40-70% of all white blood cells.

neutrophils (Never let monkeys eat bananas)

Granulocytes include ________.

neutrophils, eosinophils, basophils (BEN)

Select the mechanism below that is not involved in the flow of lymph through the lymphatic vessels.

pumping action of the heart

The most numerous blood cells are ________.

red blood cells

The functions of the lymph system include all of the following except ________.

removing worn out erythrocytes from the system

The lymphatic system consists of lymphatic vessels, lymphatic tissue, lymph nodes, and lymphoid organs such as ________.

spleen and thymus

The hematocrit measures ________.

the percentage of RBC in a blood sample

The right lymphatic duct drains ________

the right side of the head and thorax, and the right upper extremity

The ________ receives lymph from the left half of the body and part of the right side as well.

thoracic duct

The ________ pulp is responsible for the immune functions of the spleen.

white