Competitive Exams: Medical Science MCQs (Practice-Test 19 of 135)

  1. Which of the following is not directly associated with the lymphatic pathway?

    1. Lymphatic trunk

    2. Collecting duct

    3. Subclavian vein

    4. Carotid arteries

    Answer: d

  2. The thymus is responsible for secreting _____ from epithelial cells.

    1. Thymosin

    2. Growth hormone

    3. Macrophages

    4. Plasma cells

    Answer: a

  3. Which of the following types of cytokines is responsible for the growth and maturation of B cells?

    1. Interleukin-1

    2. Interleukin-2

    3. Interleukin-4

    4. Interleukin-7

    Answer: c

  4. Which of the following types of immunoglobulins is the most responsible for promoting allergic reactions?

    1. IgA

    2. IgM

    3. IgD

    4. IgE

    Answer: d

  5. Which of the following types of immunoglobulins is located on the surface of most B-lymphocytes?

    1. IgA

    2. IgM

    3. IgD

    4. IgE

    Answer: c

  6. Which of the following types of immunoglobulins does not cross the barrier between mother and infant in the womb?

    1. IgA

    2. IgM

    3. IgD

    4. IgE

    Answer: a

  7. Which of the following is not an autoimmune disease?

    1. Graves disease

    2. Myasthenia gravis

    3. Insulin-dependent diabetes mellitus

    4. Alzheimer's disease

    Answer: d

  8. T-cell activation requires a/an _______ cell.

    1. Activation

    2. Accessory

    3. Plasma

    4. Helper

    Answer: b

  9. The thymus is located with the _______.

    1. Mediastinum

    2. Peristinum

    3. Epistinum

    4. Endostinum

    Answer: a

  10. Which of the following statements is false regarding the spleen?

    1. Divided up into lobules

    2. Similar to a large lymph node

    3. Contains macrophages

    4. Limited blood within the lobules

    Answer: d