In the medical words diagnosis and prognosis, the combining form ...

[tatyanajohnson]

In the medical words diagnosis and prognosis, the combining form gnos/o- means ________.
 
  A) knowledge
  B) disease
  C) medicine
  D) treatment

Question 2

Which type of anemia is caused by failure of the bone marrow to produce erythrocytes?
 
  A) iron-deficiency anemia
  B) aplastic anemia
  C) pernicious anemia
  D) sickle-cell anemia

[sylvia]

Answer to Question 1

A
Explanation: A) Correct
B) The combining form gnos/o- does not mean this.
C) The combining form gnos/o- does not mean this.
D) The combining form gnos/o- does not mean this.

Answer to Question 2

B
Explanation: A) In iron-deficiency anemia, the bone marrow does produce erythrocytes.
B) Correct A- means away from; without, plast/o- means formation; growth.
C) In pernicious anemia, the bone marrow does produce erythrocytes.
D) In sickle-cell anemia, the bone marrow does produce erythrocytes.