TLS Online TPP Program

#Question id: 1998


Jenner successfully used cowpox virus as a vaccine against the virus that causes smallpox. Why was he successful even though he used viruses of different kinds?

#Unit 4. Cell Communication and Cell Signaling
  1. The immune system responds nonspecifically to antigens.

  2. The cowpox virus made antibodies in response to the presence of smallpox.

  3. Cowpox and smallpox are antibodies with similar immunizing properties.

  4. There are some antigenic determinants common to both pox viruses.

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TLS Online TPP Program

#Question id: 11648

#Unit 7. System Physiology – Animal

Within minutes following a normal delivery, flow through the foramen ovale decreases dramatically. What is the cause of this change?

TLS Online TPP Program

#Question id: 11649

#Unit 7. System Physiology – Animal

The red lines in the figure above illustrate the normal relationships between plasma insulin concentration and glucose production in the liver and between plasma insulin concentration and glucose uptake in muscle


In the figure, which lines most likely illustrate these relationships in a patient with type 2 diabetes?

TLS Online TPP Program

#Question id: 11650

#Unit 7. System Physiology – Animal

The red lines in the figure above illustrate the normal relationships between plasma insulin concentration and glucose production in the liver and between plasma insulin concentration and glucose uptake in muscle.


 

In the figure, which lines most likely illustrate these relationships in a patient with acromegaly?

TLS Online TPP Program

#Question id: 11651

#Unit 10. Ecological Principles

Succession on a newly exposed site that was not previously occupied by soil and vegetation refers to

TLS Online TPP Program

#Question id: 11652

#Unit 10. Ecological Principles

The sequence of changes initiated by disturbance is called succession, and the ultimate association of species achieved is called

TLS Online TPP Program

#Question id: 11653

#Unit 10. Ecological Principles

Given some characteristics of the climax community

i) Tolerate its own reactions

ii) Tends to become mesic

iii) Less stable

iv) Complex stratification

v) Simple food web

vi) Less mutualism

vii) Gross production is equals to community respiration

viii) Net community production is zero

Which of the following combination shows the characteristics of climax community?