Phys chapter 18

The process in which antibodies attach to antigens, causing the formation of masses of linked cells, is called ____.

Agglutination

Which of the following statements about blood is true?

Blood is slightly more viscous than water.

Prothrombin is converted to thrombin during the ____.

Common pathway

The production of healthy erythrocytes depends upon the availability of ____.

Copper, zinc, and vitamin B12

Which of the following statements about erythropoietin is true?

It facilitates the proliferation and differentiation of the erythrocyte lineage.

Which of the following statements about albumin is true?

It is the most abundant plasma protein.

Which of the following describes a neutrophil?

abundant, granular, especially effective against bacteria

Interleukins are associated primarily with which of the following?

all of the above

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

an Rh- mother is carrying a second Rh+ fetus

T and B lymphocytes ________.

are involved with specific immune function

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

Which of the following plasma proteins is not produced by the liver?

immunoglobulin

Hemophilia is characterized by ________.

inadequate production of clotting factors

People with ABO blood type O ________.

lack both antigens A and B on their erythrocytes

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

macrophages

Which of the formed elements arise from myeloid stem cells?

platelets

The first step in hemostasis is ________.

vascular spasm

Thrombocytes are more accurately called _____.

Platelets

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

Polycythemia

Which of the following statements about mature, circulating erythrocytes is true?

They have no nucleus