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
