This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why are the red cells larger than normal in megaloblastic anemia? a. Increased concentration of ... (Read 25 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
on: Jun 25, 2018
Why are the red cells larger than normal in megaloblastic anemia?
 
  a. Increased concentration of erythropoietin
  b. Increased release of reticulocytes
  c. Cells are made larger because fewer of them exist
  d. Cell division is impaired

Question 2

Megaloblastic anemias are caused by a defect in the synthesis of:
 
  a. Deoxyribonucleic acid (DNA)
  b. Ribonucleic acid (RNA)
  c. Erythropoietin
  d. Heme


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nikmaaacs

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
Red cell production is asynchronous in megaloblastic anemias, with nuclear development lagging behind that of the cytoplasm. Because DNA synthesis is affected, cell division does not occur normally and the cells become larger.

Answer to Question 2

ANS: A
Defects in DNA synthesis are the cause of most megaloblastic anemias (an exception would be in the myelodysplastic syndrome).


corkyiscool3328

  • Member
  • Posts: 539
Reply 2 on: Jun 25, 2018
YES! Correct, THANKS for helping me on my review

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Whitefish blastula cells Whitefish blastula cells
Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ... Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ...
Gram-stained bacteria on a microscope slide. (A) Red rod-shaped cells are Escherichia coli (Courtesy ... Gram-stained bacteria on a microscope slide. (A) Red rod-shaped cells are Escherichia coli (Courtesy ...
Imaging cell surface glycoproteins in living cells Imaging cell surface glycoproteins in living cells
Respiratory response to increased activity levels Respiratory response to increased activity levels
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library