A person who has received a vaccine for human papillomavirus (HPV), which causes genital warts and can cause cervical cancer a. is able to produce antibodies against HPV. b. is more susceptible to HPV than someone who has not had the vaccine. c. has nonspecific immunity against HPV. d. must already been infected with HPV. Which of the following leukocytes can be classified as lymphocytes? a. B cells b. T cells c. Natural killer cells d. all of the above

A person who has received a vaccine for human papillomavirus (HPV), which causes genital warts and can cause cervical cancer a. is able to produce antibodies against HPV. b. is more susceptible to HPV than someone who has not had the vaccine. c. has nonspecific immunity against HPV. d. must already been infected with HPV. Which of the following leukocytes can be classified as lymphocytes? a. B cells b. T cells c. Natural killer cells d. all of the above

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter12: Blood

Section: Chapter Questions

Problem 4RQ

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T and B lymphocytes. a. are polymorphonuclear b. are involved with specific immune function c. proliferate excessively in leukopenia d. are most active against parasitic worms
Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c. Cytotoxic T cells. d. Plasma cells. The role of the humoral immune response is to a. kill infected cellsb. fight pathogens found in body fluid c. prevent pathogens from entering the body d. initiate an inflammatory response
Which of the following is not true of the lymphatic system? Oxygen is transported to body tissues a. b. Slow muscular contractions cause the fluid to move in the vessels The lymph is returned to the veins C. d. There are flap-like valves to prevent the backflow of fluid O O O O
Which of the following is not a function of the lymphatic system? a. It absorbs dietary lipids. b. It provides immunity. c. It transports nutrients to tissues. d. It returns proteins to the blood. e. It returns excess fluid from tissues to the blood.
Which of the following events occur as part of a local acute inflammatory reaction? a. Vasodilation b. All of the above c. Increased capillary permeability d. Migration of phagocytic leukocytes to the area
Which of the following is not a function of the lymphatic system? A. Transports immune cells and bacteria around the body B. Assists in the transport of fats C. Facilitates gas exchange between capillaries and the lungs D. Drains excess fluid from body tissues
All of the following can result in lymphedema (the accumulation of interstitial fluid due to interference with lymphatic drainage) except a. surgical removal of a group of lymph nodes. b. obstruction of lymph vessels that drain a lymph node, as might occur with a tumor or an infection. c. radiation therapy, which may cause scar formation of lymph vessels. d. exercise that increases the flow of lymph in the lymph vessels.
Which of the following characteristics apply to T lymphocytes?a. mature in bone marrowb. mature in the thymusc. Both a and b are correct.d. None of these are correct.
Which of the following is/are false about the lymphatic system? A. It is a vascular system that takes up excess interstitial fluid and transports it to the bloodstream. B. It drains into the circulatory system via two large ducts that drain into veins near the shoulders. C. Among its components is the network of tiny lymphatic vessels that intermingle among capillaries of the cardiovascular system. D. A pump delivers lymph through the lymphatics. E. C and D only
A young woman was in a car accident and had to have her spleen removed as a consequence of its rupture during the accident. She now has a greater risk of a. an overactive immune response. b. bacterial infections. c. low blood pressure. d. a pathogen surviving in her lymph.
Which of the following is both a phagocyte and an antigen-presenting cell? a. NK cell b. eosinophil c. neutrophil d. macrophage
Which of the following blood cells function primarily as phagocytes?a. eosinophils b. basophils c. lymphocytes d. neutrophils