17. What type of immunity is responsible for agglutination of viruses?A. passive immunityB. cell mediated immunity18. Which of the following best describes the immunity gained from a vaccine?A. nonspecificC. nonspecific immunityD. antibody immunityB. activeC. passiveD. artificial19. The diagram shows the internal feedback mechanism that maintains blood-calcium (Ca2+)homeostasis. If a person has a blood-calcium (Ca2+) level of 8mb/100ml of blood, which of thefollowing mechanisms does the body use to maintain blood-calcium homeostasis?The diagram shows the intemal fe oback mechanism that maintains blood-caldum (Ca)homeostasts.47Increases CareabsorptionnIntestanesActivevitamin DStimulatesCa reabsorptionIn kidneysReleasesparathyroldhomonePTHStimulatesCa rele sefrom bonesParathyroidgland(behand thyrod)Blood Ca.evel risesHormeostasis:Blood Ca level(about 10 ma/100 mL)Stimulus:Falling bioodCa eve!Ir a person has a Dlood-cakium (Ca*) level or 8 ma/100 mL of Dloođ, which of the followingmechanisms does the body use to maintain blood-cakoum homeostasis?a. The kidneys take up more Ca2+ and release vitamin D.b. The bones release Ca2+c. The intestines increase reabsorption of Ca2+d. All of the above

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17. What type of immunity is responsible for agglutination of viruses? A. passive immunity B. cell mediated immunity C. nonspecific immunity D. antibody immunity

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter45: Defenses Against Disease

Section: Chapter Questions

Problem 1TYK

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Concept explainers

Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.

Question

17. What type of immunity is responsible for agglutination of viruses?
A. passive immunity
B. cell mediated immunity
18. Which of the following best describes the immunity gained from a vaccine?
A. nonspecific
C. nonspecific immunity
D. antibody immunity
B. active
C. passive
D. artificial
19. The diagram shows the internal feedback mechanism that maintains blood-calcium (Ca2+)
homeostasis. If a person has a blood-calcium (Ca2+) level of 8mb/100ml of blood, which of the
following mechanisms does the body use to maintain blood-calcium homeostasis?
The diagram shows the intemal fe oback mechanism that maintains blood-caldum (Ca)
homeostasts.
47
Increases Ca
reabsorption
nIntestanes
Active
vitamin D
Stimulates
Ca reabsorption
In kidneys
Releases
parathyrold
homone
PTH
Stimulates
Ca rele se
from bones
Parathyroid
gland
(behand thyrod)
Blood Ca.
evel rises
Hormeostasis:
Blood Ca level
(about 10 ma/100 mL)
Stimulus:
Falling biood
Ca eve!
Ir a person has a Dlood-cakium (Ca*) level or 8 ma/100 mL of Dloođ, which of the following
mechanisms does the body use to maintain blood-cakoum homeostasis?
a. The kidneys take up more Ca2+ and release vitamin D.
b. The bones release Ca2+
c. The intestines increase reabsorption of Ca2+
d. All of the above

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