Lymphatic & Immune Systems Semester Exam Review

Lymphatic & Immune Systems Semester Exam Review

Multiple Choice

any harmful or disease-causing organism

• pathogen

• antigens

• antibodies

• T cells

Multiple Choice

Which of the following statements about the lymphatic system is NOT true?

• lymph is composed mostly of water that has escaped from the blood

• lymphatic capillaries are very permeable

• lymph nodes are concentrated mostly near the heart

• lymph nodes filter unwanted substances from body fluids

Multiple Choice

Which of the following statements about lymph node structure is NOT correct?

• they are microscopic nodules

• reticular fibers act as a net to catch debris

• macrophages live on the fibers

• lymphocytes live within the spaces

Multiple Choice

The body's first line of defense against pathogens is

• phagocytes

• fever

• inflammatory response

• skin and mucous membranes

Multiple Choice

The specific defenses of the immune system

• issue a specific attach to particular foreign substances

• are innate defenses

• include skin and mucous membranes

• are the body's first line of defense

Multiple Choice

Which of the following is NOT an example of innate or nonspecific immunity?

• mucus

• enzymes in tears

• inflammatory response

• production of antibodies

Multiple Choice

released by mast cells during an allergic reaction

• histamine

• acetylcholine

• sodium

Multiple Choice

Which of the two provoke an immune response?

• Antigens

• Antibodies

Multiple Choice

The lymph organ that programs T cells and functions primarily during childhood and adolescence is the

• spleen

• thymus

• tonsils

• appendix

Multiple Choice

secreted by B cells in response to an antigen

• pathogen

• antigens

• antibodies

• T cells

Multiple Choice

responsible for cell-mediated immunity

• pathogen

• antigens

• antibodies

• T cells

Multiple Choice

type of immunity provided to a baby by maternal antibodies

• passive

• active

• clonal selection

• artificially

Multiple Choice

type of immunity provided by vaccines

• passive

• active

• clonal selection

• artificially

Multiple Choice

B Cells and T cells both produce memory cells

• True

• False