Exam 1

Question 0

A male weighing 154 lbs would have about how many quarts of blood?

Answer 0

5 quarts

Question 1

The principal materials required by a living cell

Answer 1

Sugar
Amino acids
Vitamins
Oxygen
Fat
Salts
Water
Hormones

Question 2

The normal percentage of red bloods cells for males and females

Answer 2

Males 47% +- 5%

Females 42% +- 5%

Question 3

Individuals living at altitudes 10,000 ft above sea level have as much as _____ more red blood cells than someone at sea level

Answer 3

30%

Question 4

What are the characteristics of white blood cells

Answer 4

Self propulsion
Larger in size than red blood cells
Posses a nucleus
Contain no hemoglobin

Question 5

Characteristics of platelets

Answer 5

• Very small
• Irregular in shape
• Form clumps
• Derived from the largest cells of the bone morrow

Question 6

What is the most important function of the plasma proteins

Answer 6

Maintaining the water balance between the blood and the tissues

Question 7

Which side of the heart is more powerful

Answer 7

Left

Question 8

What alters the cardiac output

Answer 8

Stroke volume

Heart rate

Question 9

What are the factors of controlling blood flow

Answer 9

• work of the heart
• peripheral resistance
• elasticity of the arterial walls
• receptors
• blood viscosity

Question 10

Nitrogen is necessary in the atmosphere for what reason?

Answer 10

Nitrogen is necessary for its contribution to sea level pressure

Question 11

What is responsible for mans most serious physiological problems?

Answer 11

The decrease in atmospheric pressure as man ascends in altitude

Question 12

The distance from an aircraft to the ground directly below is called what?

Answer 12

Altitude above ground level (AGL)

Question 13

What will someone experience in high altitudes of the physiological zone?

Answer 13

• shortness of breath
• dizziness
• headache
• nausea

Question 14

Which gas law explains the change to the volume of a balloon when it is taken to altitude?

Answer 14

Boyles law

Question 15

What factor explains why trapped gas problems in the body are more of a problem at lower altitude than when the body is at much higher altitudes?

Answer 15

The pressure changes at the lower altitudes are much greater

Question 16

In what physiological zone would a pilot experience trapped gas expansion and hypoxia?

Answer 16

The physiological deficient zone

Question 17

The sum of partial pressure equals the total pressure defines what gas law?

Answer 17

Dalton’s law

Question 18

The function if the circulatory system is to use blood to transport what?

Answer 18

• oxygen to the tissues and carbon dioxide from the tissues to the lungs
• metabolic supplies to the tissues
• remove cellular wastes from the tissues

Question 19

What are the secondary functions of the circulatory system?

Answer 19

• protection against disease
• nutrition-the carrying of food substances to the tissues
• body heat balance
• regulation
• excretion

Question 20

Which body fluid contains cells and liquid components?

Answer 20

Blood

Question 21

What gases make up the atmosphere?

Answer 21

Nitrogen
Oxygen
Other gases such as argon and carbon dioxide

Question 22

Atmospheric pressure And temp do what as a pilot climbs through the troposphere?

Answer 22

They both decrease

Question 23

A pilot passes through 1/2 of the earths atmosphere at what altitude?

Answer 23

18,000 feet

Question 24

What are some characteristics of the stratosphere?

Answer 24

• 2nd layer a pilot will encounter
• temp is fairly stable at first but then increases slowly
• jet streams
• no turbulence
• no water vapor

Question 25

What are the characteristics of the troposphere?

Answer 25

• winds
• water vapor
• weather
• temp decreases at a steady rate as you increase in altitude
• 1st layer of the atmosphere

Question 26

The greatest pressure differential occurs where?

Answer 26

Close to sea level

Question 27

The composition of the atmosphere remains the same to what altitude?

Answer 27

60 miles