BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 48, Problem 5U
Summary Introduction
Introduction:
Cardiovascular system is the system that is related to the flow of blood, blood vessels and the organs that assist in the flow of blood. It includes organs like heart, blood vessels like arteries veins and capillaries and their intricate network. Lymphatic system consists of lymphatic vessels, lymph nodes and the lymphatic organs. Lymphatic system deals with the flow of lymph which is a fluid that is more viscous and different from the blood and helps in fighting against diseases. In this way this system helps in providing immunity to humans.
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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
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. produces red blood cellsb. returns excess fluid to the bloodc. transports lipids absorbed from the digestive systemd. defends the body against pathogens
Chapter 48 Solutions
BIOLOGY
Ch. 48.1 - Prob. 1LOCh. 48.1 - Prob. 2LOCh. 48.2 - Prob. 1LOCh. 48.2 - Prob. 2LOCh. 48.2 - Prob. 3LOCh. 48.3 - Prob. 1LOCh. 48.3 - Prob. 2LOCh. 48.4 - Prob. 1LOCh. 48.4 - Prob. 2LOCh. 48.5 - Prob. 1LO
Ch. 48.5 - Prob. 2LOCh. 48.5 - Prob. 3LOCh. 48.5 - Prob. 4LOCh. 48 - Prob. 1DACh. 48 - Prob. 1IQCh. 48 - Prob. 2IQCh. 48 - An ECG measures a. changes in electrical potential...Ch. 48 - Systole is vitally important to heart function and...Ch. 48 - Which of the following is the correct sequence of...Ch. 48 - Which of the following statements is not true? a....Ch. 48 - Prob. 5UCh. 48 - Prob. 6UCh. 48 - When a sphygmomanometer is used, a. blood pulses...Ch. 48 - Prob. 8UCh. 48 - In vertebrate hearts, atria contract from the top,...Ch. 48 - Prob. 2ACh. 48 - The difference between the amphibian and mammal...Ch. 48 - Prob. 4ACh. 48 - Humans have a number of mechanisms that help to...Ch. 48 - Prob. 2SCh. 48 - Is the evolution of the four-chambered heart...Ch. 48 - Prob. 4S
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- An increase in lymphocytes may mean a problem associated with. a. clotting b. immunity C. pulmonary circulation d. systemic circulationarrow_forwardA 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.arrow_forwardA person who has received a vaccine for human papillomavirus (HPV), which causes genital warts and can cause cervical cancera. 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 cellsb. T cellsc. Natural killer cellsd. all of the abovearrow_forward
- 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.arrow_forwardWhich 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 responsearrow_forwardWhich of the following statements is TRUE regarding the ABO blood system? A. People who have the O blood type would not produce the anti-A and anti-B antibodies. B. People who have the B antigen would not produce the anti-B antibody. C. People who have the A antigen would produce the anti-A antibody. D. People who have the AB blood type would produce the anti-A and anti-B antibodies.arrow_forward
- Fluid found in lymphatic vessels is known as:- a. interstitial fluid. b. plasma. c. lymph. d. intracellular fluidarrow_forwardWhich of the following is characteristic of all leukocytes? a.They have cytoplasmic granules. b.They are nucleated. c.They are phagocytic. d.They are the most numerous of the formed elements in blood.arrow_forwardAll of the following are phagocytic cells except a. neutrophils. b. T-lymphocytes. c. macrophages. d. dendritic cells.arrow_forward
- An antigen must be considered: a. An antibody b. To produce cytokines c. Foreign d. A T lymphocytearrow_forwardThe organ that contains red pulp, which filters the blood, andwhite pulp, where lymphocytes respond to antigens in theblood, is thea. bone marrow. c. spleen.b. lymph node. d. thymus.arrow_forwardT and B lymphocytes. a. are polymorphonuclear b. are involved with specific immune function c. proliferate excessively in leukopenia d. are most active against parasitic wormsarrow_forward
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