Untitled Flashcard Set

Systolic Pressure

Pressure when the first Korotkoff sound is heard.

Diastolic Pressure

Pressure when the last Korotkoff sound disappears.

Sphygmomanometer

The scientific name for a blood pressure cuff.

Laminar Flow

Smooth, silent flow (normal state of a brachial artery before cuff inflation).

Turbulent Flow

Corresponds to Korotkoff sounds produced as blood squeezes through a partially compressed artery.

Pulse Pressure

$Systolic - Diastolic$.

Mean Arterial Pressure (MAP)

Diastolic + rac{1}{3}(Pulse Pressure).

Athlete’s Bradycardia

A lower-than-average resting heart rate caused by higher levels of parasympathetic inhibition of the SA node.

Aerobic Capacity (VO_2 max)

The maximum rate of oxygen consumption by the body.

Lactate Threshold

The intensity of exercise where lactic acid begins to accumulate significantly in the blood.

Hematocrit

The percentage of total blood volume occupied by red blood cells.

Erythropoietin

The hormone produced by the kidneys that stimulates RBC production in the bone marrow.

Bilirubin

The pigment derived from heme (minus iron) that can cause jaundice if it accumulates.

Anemia

A general term for low RBC count or low hemoglobin.

Neutrophils

Polymorphonuclear (multi-lobed nucleus) with pale granules; major phagocytes.

Eosinophils

Have granules that stain bright red.

Basophils

The rarest WBC; dark blue/purple granules.

Lymphocytes

Agranular, small, with a large round nucleus and little cytoplasm.

Monocytes

Agranular and phagocytic; the largest WBC.

Agglutination

The clumping of RBCs when they encounter matching antibodies (e.g., Type A blood clumps with Anti-A serum).

Universal Donor

Type O negative.

Universal Recipient

Type AB positive.

Erythroblastosis Fetalis

Occurs when an Rh-negative mother carries an Rh-positive fetus.