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Cells Test 2
Blood
24
Biology
Professional
11/02/2007

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Cards

Term
T or F: Distributing hormones is one function of blood?
Definition
True
Term
T or F: Body temperature is not effected by changes in the blood.
Definition
F: Body temp. regulation is one fucntion of blood.
Term
Blood maintains the _____-_____ balance.
Definition
acid-base
Term
What is the most numerous cell in blood?
Definition
Erythrocytes, or red blood cells
Term
What is the approximated lifespan of a RBC?
Definition
~90 days
Term
alpha, beta, and gamma-globulins are all examples of what?
Definition
Plasma protiens
Term
What are the 2 elements of blood?
Definition
Plasma and FORMED ELEMENTS(RBC's, WBC's, etc...)
Term
Define hematocrit
Definition
an estimate of the volume of packed erythrocytes per unit volume of blood.

-40-50& in men; 35%-45% in women.
Term
T or F: Luekocytes are more dense the erythrocytes?
Definition
F: Erythrocytes are more dense.

...they form the bottom layer b/c of their density during a hematocrit
Term
Protiens that participate in coagulation are found where?
Definition
In the blood plasma.

...eg prothrombin and fibrinogen.
Term
____ is the most fundamental component of plasma.
Definition
Albumin

...maintains osmotic pressure of the blood.
Term
What, in RBC's, is specialized for O transport?
Definition
hemoglobin
Term
What is the only irreversible hemoglobin?
Definition

carboxyhemoglobin

 

Term
A sickle cell is what?
Definition
ABNORMAL HEMOGLOBIN
Term
Def. ANEMIA
Definition

Low red cell count.

...makes blood too liquid-y. 

Term
Def. POLYCYTHEMIA
Definition

High red blood cell count

 

...makes blood too thick, hard to run through body. 

Term
EPO is a side effect of what?
Definition
When blood is too viscous(thick or sticky).
Term
Which WBC's function is defense against BACTERIA?
Definition
NEUTROPHILS
Term
Which WBC has a bi-lobed nucleus?
Definition
Eosinophil
Term
Eosinophils specialize in what?
Definition

 

Parasite infections 

Term
What type of WBC specializes in INFLAMMATORY and HYPERSENSITIVITY reactions?
Definition

BASOPHILS

...have histamine and heparin 

Term
What type of  of WBC is most abundant?
Definition
LYMPHOCYTEs
Term
What type of WBC's primary function is immune function.
Definition
lymphocytes
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