Week 5 Quiz: Chapter 18

A patient has been suffering for 2 months with a chronic, watery diarrhea. A blood test is likely to reveal ________.

polycythemia

The first step in hemostasis is ________.

vascular spasm

Which of the following statements about blood is true?

Blood is slightly more viscous than water.

Which of the following statements about erythropoietin is true?

It facilitates the proliferation and differentiation of the erythrocyte lineage.

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?

basophils

A molecule of hemoglobin ________.

consists of four globin proteins, each bound to a molecule of heme

The process by which leukocytes squeeze through adjacent cells in a blood vessel wall is called ________.

emigration

Hemophilia is characterized by ________.

inadequate production of clotting factors

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

an Rh- mother is carrying a second Rh+ fetus

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

macrophages