Blood Functions

Question 1

Purpose of Electrical Conduction?

Answer 1

Lets Impulse of SA node to stimulate cardiac muscle

Question 2

Average HR for Males; Females, Infants and Kids?

Answer 2

Male: 70bpm
Female: 75bpm
Infant: 130-150
Kid: 100-130

Question 3

Tachycardia

Answer 3

Resting heart rate more than 100bpm

Question 4

Bradycardia

Answer 4

HR less than 60-50 bpm

Question 5

Systolic

Answer 5

Heart contract pressure

Question 6

Diastolic

Answer 6

Heart relax pressure

Question 7

HBP factors

Answer 7

No control: Heredity, race, age

Control: Lifestyle

Question 8

Blood

Answer 8

Connective fluid tissue

Question 9

Blood composition?

Answer 9

55% Plasma
~1% Platelets
~1% WBC
40-45% RBC

Question 10

Erythrocyte

Answer 10

Biconcave discs
1/3 Hemoglobin
Squeezes thru capillaries
Controllable w/ Hormones
Less O2 = Higher Hemoglobin

Question 11

RBC production

Answer 11

Red bone marrow

Question 12

Anemia

Answer 12

Less RBC or Hemoglobin

Question 13

Blood characteristics

Answer 13

Sticky, Opaque
Scarlet/Dark red
Denser than water
8% BW
5x more sticky

Question 14

Blood Function

Answer 14

Distributes:
Electrolytes
Protein
Gas
Nutrients
Waste
Hormones

Question 15

Blood regulates what?

Answer 15

Body Temp and pH

Question 16

Blood protects you from what?

Answer 16

Blood loss and infection

Question 17

Hemostasis

Answer 17

Stoppage of bleeding

Question 18

Stage 1 of hemostasis?

Answer 18

1. Vasospasm: Small BVs contract

Question 19

Stage 2 of Hemostasis?

Answer 19

Platelets stick to exposed ends to fo plug

Question 20

Stage 3 of Hemostasis?

Answer 20

Blood coagulation (clotting)