Immune Responses and T Lymphocytes Quiz

What is the total estimated length of the vessels in the adult circulatory system?

Which layer of the pericardium corresponds to the visceral layer of the pericardium?

What are the sites of O2, CO2, nutrient, and waste product exchange between blood and tissues?

Which layer prevents friction within the pericardium by producing lubricant fluid?

What cushions the underlying structures during heart movements in the circulatory system?

Which system includes both the blood and lymphatic vascular systems?

What type of response involves antibody production?

Which immunoglobulin class is known for its ability to bind specific antigens and neutralize viral particles?

Which process involves clumping microorganisms bearing the antigens for easier removal?

What is the molecule recognized by cells of the adaptive immune system that typically elicits a response from these cells?

Which immunoglobulin class promotes complement activation and opsonization?

What is the main function of antibodies in binding specific antigens?

What is the main function of melanocytes in the epidermis?

Where are Merkel cells primarily located?

Which characteristic feature distinguishes melanocytes from Merkel cells?

In which layer of the skin is the subpapillary plexus located?

What is the role of the reticular layer in the dermis?

Which cell type is responsible for sensing gentle touch in the skin?

What type of cells infiltrate the dense connective tissue in the spleen?

Which zone in the spleen is mainly composed of lymphocytes surrounding an artery?

Where do central arterioles branch into short straight penicillar arterioles and capillaries?

What is the main component of the splenic white pulp that surrounds central arterioles?

Which area in the spleen occupies most of the parenchyma?

What is the primary function of cytotoxic T lymphocytes (CTLs) in the immune response?

Which of the following best describes the function of regulatory T cells?

Where do lymphocytes undergo positive and negative selection?

What is the function of antigen-presenting cells in the immune response?

What characterizes the cortical zone of an active thymus?

What distinguishes lymphoid organs from other tissues in the body?

What is a characteristic of palatine tonsils?

Which tonsil type lacks crypts and is covered by pseudostratified ciliated columnar epithelium?

What is a distinguishing feature of lingual tonsils?

Which of the following types of epithelium is found around the tonsillar crypts?

What represents large, irregular masses of lymphoid tissue in the mucosa of the posterior oral cavity and nasopharynx?

Which type of tonsil has a thin underlying capsule, lacks crypts, and is near the oropharynx?

What type of cells are predominantly found in the paracortex region of a lymph node?

Which specialized postcapillary venules serve as an important entry point for most circulating lymphocytes into lymph nodes?

What specific surface glycoproteins on endothelial cells facilitate the entry of B and T cells from the blood into the paracortex of a lymph node?

Which component of the spleen is primarily responsible for filtration of blood?

What is the main function of the medullary sinuses in a lymph node?

Where in the spleen are antibodies and activated lymphocytes produced?

What is the main function of veins in the circulatory system?

What distinguishes capillaries from other blood vessels?

Which vessels are referred to as conducting arteries?

What is the most prominent feature of elastic arteries?

Which layer shows folds in cross-section due to loss of blood pressure and vessel contraction at death?

What is the function of the numerous elastic laminae in elastic arteries?