FREE ANATOMY AND STUDY GAMES ABOUT ANATOMY

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FREE ANATOMY AND STUDY GAMES ABOUT ANATOMY

WEEK 11 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir?thymus thyroid spleen thalamus

Answer:

Spleen Question 2: Chemotaxis is the process by which a cell navigates toward the source of the chemotactic factor by way of?

Answer:

detecting and then moving toward higher concentrations of the factor.Question 3: Activities that result in central movement or flow of lymph are called: lymph mechanisms.lymphokinetic activities.lymphatic activities.none of the above.

Answer:

lymphokinetic activities.

Question 4: Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity.antibody-mediated cell-mediated nonspecific None of the above are correct.

Answer:

cell-mediated Question 5: Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called lymphatic capillaries.lymph nodes.tonsils.anastomoses.

Answer:

Tonsils Question 6: Pyrogen molecules trigger the fever response by promoting the production of: leukotrienes.prostaglandins.antibodies.cytokines.

Answer:

prostaglandins.Question 7: The internal environment of the human body is protected by the _____, which is(are) referred to as the first line of defense.skin connective tissue white blood cells muscle tissue

Answer:

Skin Question 8: Molecules formed by the reactions of the complement cascade assemble

themselves on the enemy cell's surface, which results in:

cytolysis.crenation.apoptosis.hemolysis.

Answer:

cytolysis

Question 9: Which of these substances operate(s) immune mechanisms?

sebum mucus enzymes hydrochloric acid in gastric mucosa all of the above

Answer:

All of the above Question 10: The lymphatic system serves various functions in the body. The two most important functions of this system are fluid balance and waste removal.fluid balance and immunity.immunity and waste removal.waste removal and gas exchange.

Answer:

fluid balance and immunity.Question 11: The presentation of an antigen activates the T cell which divides repeatedly to

form a clone of identical T cells that form:

effector T cells and cytokines effector T cells and memory cells memory cells and cytokines memory cells and interleukins

Answer:

effector T cells and memory cells.

Question 12: A tumor of the lymphoid tissue is called

lymphangitis.lymphedema.lymphoma.none of the above.

Answer:

Lymphoma

Question 13: The ingestion and destruction of microorganisms or other small particles is called pinocytosis.exocytosis.apedesis.phagocytosis.

Answer:

phagocytosis Question 14: The body's defense mechanisms can be organized into one of two major

categories:

species resistance and specific immunity mechanical and chemical barriers innate and adaptive immunity nonspecific and inflammatory immunity

Answer:

innate and adaptive immunity.Question 15: Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a germ center.trabecula.lymph node.germinal center.

Answer:

germinal center.Question 16: Recognition of antigens by antibodies occurs when an:

Answer:

Antigen's epitopes fit into and bind to an antibody molecule's antigen-binding sites

Question 17: Lymphatics in the villi of the small intestines are called

lymph nodes.cortical nodules.lacteals.lymphatic ducts.

Answer:

Lacteals