28 Questions
What is the primary function of regulation in the body?
Maintaining optimal ECF osmotic pressure
Which of the following is NOT a consequence of faulty regulation?
Enhanced immune response
What is the primary site of regulation in the body?
Kidneys
Which of the following is a direct consequence of regulation of body temperature?
Increased sweat production
What is the primary function of the renal system in relation to regulation?
Maintaining optimal ECF pH
What is the classification of blood?
Connective tissue
What is the primary component of blood?
Plasma
What is the term for the study of blood and blood disorders?
Hematology
What is the title of the edited volume?
Hematology
Who is the editor of the volume 'Hematology'?
Hasan Hamid
What is the term used to describe the cellular elements in the connective tissue?
Formed elements
What is the main function of the platelets in the blood?
To aid in blood clotting
What is the term used to describe the non-cellular component of the connective tissue?
Extracellular matrix
What is the function of the white blood cells?
To fight infections and diseases
What type of cell is responsible for carrying oxygen to the body's tissues?
Red blood cells
What is the primary function of the transport system in the human body?
To transport essential substances throughout the body
Which of the following substances is NOT transported throughout the body?
Vitamins
What is the relationship between the transport system and buffer systems?
Buffer systems rely on the transport system to function
What is a secondary function of the transport system?
Regulating body temperature
What is the byproduct of the transport system's functioning?
Heat
What is the approximate volume of blood in adult males?
5-6 liters
What is the freezing point of blood?
0.50°C
What is the pH range of blood?
7.35-7.45
What is the temperature of blood?
38°C
What percentage of adult body weight is constituted by blood?
8%
How would you describe the texture of blood?
Sticky and metallic
What is the color of oxygen-rich blood?
Bright red
What is the approximate volume of blood in adult females?
4-5 liters
Study Notes
Blood Composition
- Blood is a connective tissue made up of cellular elements and an extracellular matrix.
- The cellular elements, also known as the formed elements, include:
- Red blood cells (RBCs)
- White blood cells (WBCs)
- Platelets (cell fragments)
Blood Characteristics
- Blood is denser and thicker than water.
- It has a sticky and metallic texture.
- Its freezing point is 0.50°C.
- Blood can be classified as:
- Bright red (O2-rich)
- Dull red (O2-poor)
- The pH of blood ranges from 7.35 to 7.45.
- The normal temperature of blood is 38°C.
- Blood constitutes approximately 8% of an adult's body weight.
Blood Volume
- Adult males typically have 5-6 liters of blood.
- Females typically have 4-5 liters of blood.
Functions of Blood
- Transportation:
- Oxygen (O2)
- Carbon dioxide (CO2)
- Nutrients
- Hormones
- Waste products
- Heat
- Regulation:
- Body temperature
- ECF pH
- Osmotic pressure
- Buffer systems
- Respiratory regulation
- Renal function
This quiz covers the fundamentals of hematology, including the characteristics of blood as a connective tissue. Edited by Hasan Hamid.
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