8. CARDIOVASCULAR SYSTEM REVIEW

Which of the following is the function of the cardiovascular system?

• regulating body temperature and fluid volume
• preventing infection
• transporting hormones and wastes
• all of these are functions of the cardiovascular system

All of the following are formed elements of the blood except:

• PLASMA
• ERYTHROCYTES
• THROMBOCYTES
• LEUKOCYTES

Which of the following components of blood makes up the smallest percentage by volume?

• plasma
• erythrocytes
• leukocytes & thrombocytes

An erythrocyte is more commonly known as

• a white blood cell
• a red blood cell
• a platelet
• hemoglobin

Tags

NGSS.MS-LS1-2

Blood plasma is mostly made of

• WATER
• GRANULES
• OXYGEN
• HEMOGLOBIN

The cell above is responsible for releasing histamines, which dilate blood vessels during an allergic attack. It is categorized as a(n) __________________ and is called a(n) _____________.

• granulocyte, lymphocyte
• agranulocyte, monocyte
• granulocyte, basophil
• agranulocyte, eosinophil

A single hemoglobin molecule can carry _____ oxygen molecules and each red blood cell can carry _________ hemoglobin proteins.

• 4, millions of
• 4, 100
• millions of, 4
• millions of, 100

Because oxygen is nonpolar,

• It must be absorbed by the lymphocytes.
• It must diffuse directly into the blood.
• It must be eliminated quickly.
• It must be carried by hemoglobin.

The process of hemostasis is completed by which type of cells?

• white blood cells
• red blood cells
• platelets
• plasmas

Which of the following is NOT true of hematopoiesis?

• It occurs in the red bone marrow of adults.
• It begins with a monocyte.
• It is stimulated by epinephrine.
• It causes the differentiation of all types of blood cells.

Tags

NGSS.HS-LS1-4