Hematologic System Functions Quiz

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Questions and Answers

Which blood cells are the first line of defense against microbial agents?

  • Platelets
  • Red blood cells
  • Lymphocytes
  • Neutrophils (correct)

What is the function of B cells and T cells in the body?

  • Preventing bleeding
  • Destroying foreign proteins (correct)
  • Enhancing oxygen delivery
  • Promoting platelet aggregation

What happens when the platelet count is low?

  • Improved oxygen delivery to cells
  • Enhanced clotting ability
  • Increased risk of spontaneous bleeding (correct)
  • Reduced risk of infection

Why does blood in older adults coagulate more easily?

<p>Decreased platelet aggregation (D)</p> Signup and view all the answers

What can cause anemia according to the text?

<p>Nutritional deficiencies (C)</p> Signup and view all the answers

What diagnostic test can help identify many blood disorders?

<p>Complete blood count (CBC) (A)</p> Signup and view all the answers

What is the primary goal of care for patients with a blood disorder according to the text?

<p>Preventing infection and conserving energy (C)</p> Signup and view all the answers

What is the purpose of bone marrow aspiration?

<p>To diagnose various blood disorders (B)</p> Signup and view all the answers

What may cause blood dyscrasias according to the text?

<p>Drugs, radiation, or toxic substances only (B)</p> Signup and view all the answers

Why must patients with blood disorders be handled gently?

<p>To prevent complications such as bleeding or infection (C)</p> Signup and view all the answers

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