Blood & Cardiovascular System

What are the crucial tasks carried out by the blood?

• Transport, Regulation, and Defense
• Regulation and Defense
• Transport and Defense
• Regulation, Homeostasis, and Defense

List the components found in the plasma portion of the blood.

• Water, electrolytes, proteins, hormones, gases, nutrients, and waste products.
• Water, electrolytes, proteins, hormones, gases, nutrients, waste products, and blood cells.
• Red blood cells, white blood cells, and platelets.
• Only red blood cells.

Which blood cells contain hemoglobin?

• Red blood cells
• B Lymphocytes
• Plattlets
• White blood cells

What element is found in a heme group and what is the function of the heme group?

• Iron and heme binds oxygen and carbon dioxide.
• Calcium and heme bind oxygen and carbon dioxide.
• Iron and heme fight infections.
• Copper and heme bind oxygen and carbon dioxide.

Hemoglobin Facts, how many oxygen molecules bind to one hemoglobin molecule?

• 4
• 2
• 300
• 1

Hemoglobin Facts, how many hemoglobin molecules are on one RBC?

• 300 million
• 4
• 1.2 billion
• 3,000

Hemoglobin Facts, how many oxygen molecules can one RBC carry?

• 1.2 billion
• 300 million
• 300 billion
• 300,000

Hemoglobin Facts, what is the difference between oxyhemoglobin and deoxyhemoglobin?

• Oxyhemoglobin has oxygen molecules bound to it. Deoxyhemoglobin has lost its oxygen.
• Deoxyhemoglobin oxygen molecules bound to it. Oxyhemoglobin has lost its oxygen.
• Oxyhemoglobin has four oxygen molecules bound to it. Deoxyhemoglobin has two oxygen molecules bound to it.
• Oxyhemoglobin has eight oxygen molecules bound to it. Deoxyhemoglobin has 300 oxygen molecules bound to it.

What does a hematocrit analysis tell you about your blood?

• The % of red blood cells in the blood.
• The % of white blood cells in the blood.
• The % of platelets in the blood.
• The combined % of RBC and WBC in the blood.

What are the normal hematocrit levels for males and females?

• Women: 37-43%, Men: 43-49%
• Women: 47-59%, Men: 43-49%
• Women: 43-49%, Men: 37-43%
• Women: 27-43%, Men: 43-69%