Nervous System Overview

What is the main function of sensory neurons?

The myelin sheath protects the nerve cell's dendrites.

Name the two main divisions of the nervous system.

The function of __________ neurons is to pass messages from the brain to the rest of the body for muscle response.

Match the following parts of a neuron with their functions:

Which part of the nervous system serves as the main control center?

The Peripheral Nervous System (PNS) is only composed of sensory neurons.

What is the color of oxygen-rich blood?

What is the function of the autonomic nervous system?

The pH of blood must remain between 7.25 and 7.35.

What is the main function of erythrocytes?

The __________ connects and relays nerve impulses to the brain.

Match each part of the nervous system with its corresponding function:

Blood is composed of _____ liters, which is about 6 quarts per body.

Match the following blood components with their functions:

Which subsystem of the PNS is responsible for voluntary movements?

What condition is indicated by leukocyte levels above 11,000 cells/ml?

The medulla oblongata is part of the Pons.

What are intersegmental tracts responsible for in the spinal cord?

Leukopenia refers to abnormally high leukocyte levels?

What are the two main types of leukocytes?

The process of blood cell formation occurs in the ______.

Match the types of leukocytes with their primary characteristics:

What is the result of a complete spinal cord injury?

Arteries have valves to prevent backflow of blood.

What are the three main types of blood vessels?

The kidneys respond to the hormone called ______ to help regulate blood pressure.

Match the following blood vessel properties to the correct type:

Which of the following statements about capillaries is true?

Blood is composed primarily of plasma and formed elements.

List two functions of blood.

What is the primary function of glial cells in the nervous system?

Interneurons transmit signals directly from the sensory neurons to the muscles.

What is the function of the myelin sheath?

The part of the neuron that carries electrical messages away from the cell body is called the __________.

Match the types of neurons with their functions:

What is the main function of hemoglobin in erythrocytes?

Blood pH is normally acidic, ranging from 6.8 to 7.2.

How much blood does a typical human body contain, in liters?

_________ are crucial in the body's defense against disease and contain a nucleus.

Match the following plasma proteins with their functions:

Which function is associated with the autonomic nervous system?

The medulla oblongata is responsible for regulating heart rate and breathing.

What are the two major subsystems of the Peripheral Nervous System (PNS)?

The __________ is the main control center of the nervous system.

Match the brain regions with their primary functions:

Which type of neurons detect stimuli?

The spinal cord is referred to as the 'information superhighway' of the nervous system.

Capillaries are known for having thick muscular walls.

What type of blood vessel carries blood back to the heart?

The kidneys help regulate blood pressure in response to the hormone _______.

Match the types of blood vessels with their main characteristics:

Which blood component is primarily responsible for defense against pathogens?

Arteries contain valves to prevent backflow of blood.

What is the primary function of blood?

What is the normal range of leukocyte levels in the blood?

Eosinophils are primarily involved in fighting bacterial infections.

What type of leukocyte acts as a phagocyte at sites of infection?

Leukopenia refers to __________ levels of leukocytes in the blood.

Match the following types of leukocytes with their main characteristics:

What is the primary function of motor neurons?

Glial cells are responsible for sending electrochemical messages around the body.

What part of a neuron receives chemical signals from neighboring cells?

The __________ connects the sensory neurons to the brain and relays the information back to motor neurons.

Match the type of neuron with its primary function:

What is the primary function of arteries?

What is the term for a spinal cord injury that results in permanent damage?

The kidney helps regulate blood pressure by responding to the hormone __________.

Match the following blood vessel types with their functions:

Which type of blood vessel has a large lumen and thin muscular walls?

Blood is primarily composed of plasma and formed elements.

What is the role of capillaries in the circulatory system?

What condition is indicated by leukocyte levels below 4,000 cells/ml?

Granulocytes include lymphocytes and monocytes.

Where does hematopoiesis occur?

Neutrophils act as ______ at active sites of infection.

Which part of the brain is primarily responsible for voluntary activity?

The autonomic nervous system is responsible for voluntary movements.

What is the primary function of albumin in blood plasma?

What is the main function of the spinal cord?

Oxygen-poor blood appears scarlet red.

The __________ consists of sensory and motor neurons.

What percentage of blood is composed of water in plasma?

Which of the following is a function of the brainstem?

Each hemoglobin molecule has __________ oxygen binding sites.

Match the following parts of the nervous system with their primary functions:

Sensory neurons are responsible for carrying signals to stimulate a response.

The area that connects different parts of the spinal cord together is called __________.

Motor neurons are responsible for detecting stimuli from the environment.

What are the three main types of neurons?

The long extension of a neuron that carries electrical messages away from the cell body is called the __________.

Oxygen-rich blood is bright red.

What is the normal pH range of blood?

The color of oxygen-poor blood is __________.

Which of the following types of leukocytes are classified as granulocytes?

Leukopenia is characterized by leukocyte levels above 11,000 cells/ml.

What is the primary site of hematopoiesis in the human body?

Eosinophils are primarily found in response to __________.

Match the following leukocyte types with their primary functions:

What is the primary role of arteries?

Veins have thick muscular walls and transport blood under high pressure.

What condition results from a complete spinal cord injury?

Healthy kidneys respond to a hormone called ______ to help regulate blood pressure.

Match the following blood vessels with their characteristics:

Which of the following is NOT a function of blood?

Capillaries have valves to prevent backflow of blood.

What happens to blood pressure when kidneys are damaged?

What is the primary function of the autonomic nervous system?

The brain is the only part of the Central Nervous System (CNS).

Name the two major subsystems of the Peripheral Nervous System (PNS).

The _______ part of the brain coordinates movement, muscle control, and balance.

Match the following parts of the nervous system with their functions:

Which type of neuron carries signals to stimulate a response in muscles?

The somatic nervous system is responsible for involuntary movements.

What connects the Central Nervous System (CNS) to all organ systems?

Which part of the neuron is responsible for carrying electrical messages away from the cell body?

Glial cells are responsible for transmitting signals between neurons.

What type of neuron is responsible for relaying sensory signals to the brain?

The __________ is the functional unit of the nervous system.

Match the types of neurons with their primary roles:

Oxygen-poor blood appears bright red.

What is the main function of leukocytes?

The liquid component of blood that is composed of approximately 90 percent water is called __________.

Match the following components of blood with their primary functions:

What type of spinal cord injury results in permanent damage to the affected area?

Veins have thick muscular walls and carry blood under high pressure.

What hormone helps the kidneys regulate blood pressure?

The main components of blood include plasma and ________.

Match each type of blood vessel with its primary characteristic:

Which statement describes capillaries accurately?

Incapillary circulation, blood pressure increases as it passes through.

The central nervous system includes only the brain.

The __________ coordinates all movement and helps maintain balance.

Match the parts of the brain with their functions:

Which system of the Peripheral Nervous System is responsible for the fight or flight response?

The autonomic nervous system controls voluntary muscle movements.

What is the role of sensory neurons in the nervous system?

Granulocytes can be stained due to the presence of granules in their cytoplasm.

What is the primary role of neutrophils in the immune response?

Leukocytosis generally indicates an infection when leukocyte levels are above _____ cells/ml.

Match the leukocyte types with their primary functions:

What is the role of interneurons in the nervous system?

Describe the function of dendrites in a neuron.

How does the myelin sheath contribute to neuron function?

What happens in the body during a reflex action when stepping on a nail?

List the four primary functions of the nervous system.

What are the primary functions of the proteins found in blood plasma?

How does the structure of erythrocytes enhance their ability to carry oxygen?

What common condition is indicated by leukocyte levels below 4,000 cells/ml?

Which type of leukocyte primarily responds to allergies and parasitic infections?

What is the significance of the pH range 7.35–7.45 in blood?

What is the most important function of neutrophils in the blood?

Explain the role of leukocytes in the immune system.

What distinguishes oxygen-rich blood from oxygen-poor blood in terms of color?

Where does hematopoiesis, or blood cell formation, primarily occur in the body?

What type of leukocyte is characterized by a nucleus that fills most of the cell?

What is the primary difference between complete and incomplete spinal cord injuries?

Describe the role of arteries in the circulatory system.

What function do valves in veins serve?

What is the structure of capillary walls, and why is it significant?

How do healthy kidneys contribute to blood pressure regulation?

What are the consequences of blockage in blood vessels on kidney function?

Explain why blood flows slowly in veins compared to arteries.

What role do the brain and spinal cord play in the Central Nervous System?

How do sensory neurons and motor neurons differ in function?

Differentiate between the somatic and autonomic nervous systems.

What are the key functions of the cerebellum?

Explain the significance of the medulla oblongata.

What is the function of intersegmental tracts in the spinal cord?

What is the primary focus of the sympathetic nervous system?

What is the role of the pons in the brainstem?