Chapter 18 review

Front

Thrombocytes are more accurately called ________.

Back

platelets

Front

A patient has been experiencing severe, persistent allergy symptoms that are reduced when she takes an antihistamine. Before the treatment, this patient was likely to have had increased activity of which leukocyte?

Back

basophils

Front

Hemolytic disease of the newborn is a risk during a subsequent pregnancy in which ________.

Back

an Rh− person is carrying a second Rh+ fetus

Front

Aging and damaged erythrocytes are removed from the circulation by ________.

Back

macrophages

Front

Which of the following statements about erythropoietin is true?

Back

It facilitates the proliferation and differentiation of the erythrocyte lineage.

Front

What is the primary function of thrombocytes (platelets)?

Back

To aid in blood clotting.

Front

What role do basophils play in allergic reactions?

Back

They release histamine and other chemicals that contribute to inflammation.

Front

What is the significance of the Rh factor in pregnancy?

Back

It can lead to hemolytic disease of the newborn if an Rh− mother carries an Rh+ fetus.

Front

How do macrophages contribute to the immune system?

Back

They engulf and digest cellular debris and pathogens.

Front

What stimulates the production of erythropoietin?

Back

Low oxygen levels in the blood.