Free TEAS Test Exam Braindumps (page: 50)

Page 50 of 124

During inhalation, what changes occur in the diaphragm?

  1. The diaphragm muscles relax, making it dome-shaped.
  2. The diaphragm muscles contract or tighten and move upward.
  3. The abdominal muscles contract, making the diaphragm move upward.
  4. The diaphragm muscles contract or tighten and the diaphragm moves downward.

Answer(s): D



The volume of air that remains present in the lungs, even after forceful expiration/exhalation, is called
____________and is about ____________liters.

  1. residual volume, 0.5 liters
  2. vital volume, 2 liters
  3. residual volume, 1.2 liters
  4. tidal volume, 2.4 liters

Answer(s): C



Which pyrimidine base is only found in RNA?

  1. adenine
  2. uracil
  3. cytosine
  4. guanine

Answer(s): B



Spinal muscular atrophy (SMA) is an autosomal recessive disorder.

Knowing this information, what are the chances that a child will not have the recessive allele if both of his parents are carriers?

  1. 100%
  2. 0%
  3. 50%
  4. 25%

Answer(s): D



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Juana commented on November 15, 2024
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