chapter 11 lab test

Question 1

“Hema”-tology stands for

Answer 1

blood

Question 2

CBC is

Answer 2

blood test used to evaluate the patient’s overall health

Question 3

WBC count:

Answer 3

The number of WBCs is determined.

Question 4

High white blood cells (WBC )counts are called

Answer 4

leukocytosis)

Question 5

Low WBC counts are called

Answer 5

(leukopenia)

Question 6

Red blood cell (RBCs) are the most common

Answer 6

type of blood cell and are the body’s principal means of delivering oxygen to body tissues.

Question 7

Hemoglobin (Hgb)

Answer 7

The HgBis the amount of oxygen-carrying protein contained within the RBCs.

Question 8

Hematocrit (Hct)

Answer 8

is the proportion of blood that is occupied by RBCs.

Question 9

Hemoglobin A1c is

Answer 9

a test to monitor glucose control.

Question 10

Prothrombin is

Answer 10

a protein made by the liver that is converted into active thrombin as part of the blood-clotting mechanism.

Question 11

Prolonged time (PT) indicated

Answer 11

bleeding tendencies.

Question 12

Persistently increased PT is associated with the presence of

Answer 12

severe liver disease

Question 13

Partial thromboplastin time (PTT) measures the overall

Answer 13

speed at which blood coagulates by means of the intrinsic pathway or contact activation pathway

Question 14

the international normalized ratio (INR)

Answer 14

is typically used to monitor patients on warfarin or other anticoagulant therapy.

Question 15

Platelet (thrombocyte) count:

Answer 15

Platelets play a major role in blood clotting.

Question 16

Thrombocytopenia:

Answer 16

decreased platelets, uncontrolled bleeding may become a problem.

Question 17

Thrombocytosis

Answer 17

increased platelets, the risk of a blood clot forming in a blood vessel is high.

Question 18

Parathormone or parathyroid hormone:

Answer 18

This hormone regulates phosphorus and calcium levels in the body by bone resorption, and less effect of reabsorption from the kidney and the gut.

Question 19

Alanine aminotransferase (ALT):

Answer 19

is primarily a liver enzyme and is also called alanine transaminase.

Question 20

Lactic acid dehydrogenase (LDH):

Answer 20

Reaches the peak after the 1st72 hours of myocardial infarction

Question 21

Aspartate aminotransferase (AST):

Answer 21

Is elevated during the 1st48 hours of myocardial infarction

This is also called aspartate transaminase AST