Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1949
TLS Online TPP Program

#Question id: 1974

A person exposed to a new cold virus would not feel better for one to two weeks because

#Unit 4. Cell Communication and Cell Signaling

  1. specific B cells and T cells must be selected prior to a protective response.

  2. it takes up to two weeks to stimulate immunologic memory cells.

  3. no memory cells can be called upon, so adequate response is slow.

  4. antigen receptors are not the same as for a flu virus to which she has previously been exposed.

More Questions
TLS Online TPP Program

#Question id: 26985

#Unit 10. Ecological Principles

high stress & low disturbance are the characteristics of
TLS Online TPP Program

#Question id: 10690

#Unit 10. Ecological Principles

Which of following interaction shown in following species of Paramecium?
TLS Online TPP Program

#Question id: 12048

#Unit 7. System Physiology – Animal

A 10-year-old boy consumes a cheeseburger, fries, and chocolate shake. The meal stimulates the release of several gastrointestinal hormones. The presence of fat, carbohydrate, or protein in the duodenum stimulates the release of which of the following hormones from the duodenal mucosa?
TLS Online TPP Program

#Question id: 5010

#Unit 11. Evolution and Behavior

Which of the following steps has not yet been accomplished by scientists studying the origin of life? 
TLS Online TPP Program

#Question id: 17199

#Unit 11. Evolution and Behavior