Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 27933
TLS Online TPP Program

#Question id: 1020

HIV/AIDS can be categorized as a new or emerging infectious disease. By putting it into this category, we are effectively saying that

#Unit 4. Cell Communication and Cell Signaling

  1. this infection hasn't been observed in the human population prior to recent (approximately 50 years or sooner) outbreaks

  2. this disease has been in susceptible populations for centuries, but has only recently achieved infection levels that became detectable.

  3. the infectious agent is still evolving and changing, unlike with older, more established diseases such as plague or polio.

  4. the disease has always been in susceptible populations and causing disease, but we lacked the technology to detect it.

More Questions
TLS Online TPP Program

#Question id: 11968

#Unit 7. System Physiology – Animal

 Upon activation by stomach acidity, the secretions of the parietal cells ________.
TLS Online TPP Program

#Question id: 10909

#Unit 6. System Physiology – Plant

The energy is essential for some aspects of movement from sieve elements to sink cells, which store or metabolize the sugar. This movement of photosynthate from sieve elements to sink cells is called
TLS Online TPP Program

#Question id: 11197

#Unit 7. System Physiology – Animal

After the depolarization phase of an action potential, the resting potential is restored by ________.
TLS Online TPP Program

#Question id: 11660

#Unit 10. Ecological Principles

Which of the following statements about the succession is true?
TLS Online TPP Program

#Question id: 17196

#Unit 7. System Physiology – Animal

What happens when the stressor remains during the GAS?