« previous next »

Author Question: The A1c modified component of Hb A is increased in what condition? a. Sickle cell anemia b. ... (Read 212 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jun 25, 2018
The A1c modified component of Hb A is increased in what condition?
 
  a. Sickle cell anemia
  b. Thalassemia
  c. Disorders of heme
  d. Uncontrolled diabetes mellitus

Question 2

Why does Hb F have a higher oxygen affinity than adult hemoglobin?
 
  a. Fetal blood has a higher pH than adult blood.
  b. Fetal blood has a higher hematocrit than adult blood.
  c. Body temperature is lower in fetus.
  d. It is necessary to extract oxygen from the maternal blood supply.


fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
Hemoglobin is a posttranslational modification of hemoglobin in which the hemoglobin molecule is glycated. Its concentration is increased when diabetes is uncontrolled.

Answer to Question 2

ANS: D
The fetus has a need for oxygen. In order for the fetus to extract oxygen from the mother's blood (cord blood), its affinity for hemoglobin must be higher than that of the mother.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

sarasara

  • Hero Member
  • *****
  • Posts: 521
Reply #2 on: Jun 25, 2018
Thank you :)


fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jun 25, 2018
Happy to help you


« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Cell Cycle Cell Cycle
sperm cell sperm cell
Plant cell structure Plant cell structure
Each cell nucleus throughout the body contains the genes, DNA, and chromosomes that make up the ... Each cell nucleus throughout the body contains the genes, DNA, and chromosomes that make up the ...
The epigenetic stem cell model proposes that both epigenetic changes The epigenetic stem cell model proposes that both epigenetic changes
Increased Risk of Knee Osteoarthritis Increased Risk of Knee Osteoarthritis
Video: Simple and Double Sugar

For a complete list of videos, visit our video library