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: 12378

#Unit 10. Ecological Principles

Primary succession is occurring.

TLS Online TPP Program

#Question id: 12379

#Unit 7. System Physiology – Animal

A healthy 29-year-old man runs a 10-km race on a hot day and becomes very dehydrated. Assuming that his antidiuretic hormone levels are very high, in which part of the renal tubule is the most water reabsorbed?

TLS Online TPP Program

#Question id: 12380

#Unit 7. System Physiology – Animal

A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water. What is the approximate intracellular fluid volume?

TLS Online TPP Program

#Question id: 12381

#Unit 7. System Physiology – Animal

 A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.
What is the approximate plasma volume?

TLS Online TPP Program

#Question id: 12382

#Unit 7. System Physiology – Animal

A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.
What is the approximate interstitial fluid volume?

TLS Online TPP Program

#Question id: 12383

#Unit 7. System Physiology – Animal

Which of the following changes tends to increase urinary Ca++ excretion?