A&P Chapter 18 Quiz

Which are characteristics of type O blood? a: Has anti-A antibodies b: Has anti-B antibodies c: Has surface antigen O on its erythrocytes d: Has surface antigen A on its erythrocytes e: Has neither surface antigen A nor B on its erythrocytes

A, B, E

Blood plasma is slightly ____; if pH drifts out of the normal range, dire consequences can result from alterations in the structure of ____ .

Basic, proteins

Which type of leukocyte releases histamine?

Basophil

Oxygen-poor blood is ____ in color.

Dark red

One of the functions of blood is to regulate fluid levels in the body. If too much fluid escapes from the bloodstream and enters the tissues, blood pressure will

Decrease

As a platelet plug forms at an injury site, platelets become activated and their cytosol

Degranulates as they release chemicals such as ADP and thromboxane A2

Which is going to result in significant agglutination?

Donor is type AB, recipient is type B

Sodium, calcium, and bicarbonate are all described as plasma

Electrolytes

If agglutination occurs after a blood transfusion, it may indicate

The wrong blood type was used

To compensate for significant blood loss, the autonomic nervous system triggers

Vasoconstriction and an increase in heart rate

The life span of an erythrocyte is about ____ days.

120

Which are characteristic of type A blood? a: Has anti-A antibodies b: Has anti-B antibodies c: Has surface antigen A on its erythrocytes d: Has surface antigen B on its erythrocytes e: Has neither surface antigen A nor B on its erythrocytes f: Will agglutinate with blood type B

A, C, F

Which are characteristics of type Rh negative blood? a: Always has Rh (anti-D) antibodies b: Only under certain conditions will Rh (anti-D) antibodies be present c: Always has Rh (D) antigen d: Only under certain conditions will the Rh (D) antigen be present e: Is inherited independent of the ABO group

B, E

When blood is centrifuged and its components separate, the bottom of the tube holds the

Erythrocytes

The clinical definition of the hematocrit refers to the percentage of

Erythrocytes in the blood

The type of leukocyte that will migrate in the blood and take up residence in the tissues as a macrophage is a(n)

Monocyte

The type of leukocyte that is very active during a bacterial infection is a(n)

Neutrophil

The "Buffy coat" in a centrifuged blood sample is composed of

Platelets and leukocytes

congenital hemolytic anemia is

When destruction of erythrocytes is more rapid than normal

When trying to diagnose an infection that alters the percentages of leukocyte types found in the blood, it is useful for clinicians to perform

White blood cell differential count