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

Author Question: What salivary protein is important for the transport of dietary vitamin B12 to the small intestine? ... (Read 79 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
on: Jun 25, 2018
What salivary protein is important for the transport of dietary vitamin B12 to the small intestine?
 
  a. Trypsin
  b. IF
  c. Haptocorrin
  d. Transcobalamin II

Question 2

A patient with moderate anemia has an elevated MCV and hypersegmented neutrophils. Which of the following should be ordered first?
 
  a. Schilling test
  b. Gastric analysis
  c. Antibodies to IF
  d. Vitamin B12 and folate assays


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
Haptocorrin is a salivary protein that binds vitamin B12 found in food. In the small intestine the vitamin is released from haptocorrin by the action of trypsin. IF is then required for its absorption into circulation. Transcobalamin is the most important of the plasma carrier proteins for vitamin B12.

Answer to Question 2

ANS: D
The blood picture findings point to a megaloblastic anemia. The first test to order would be the vitamin B12 and folate assays to determine which of these two vitamins is deficient.


HudsonKB16

  • Member
  • Posts: 535
Reply 2 on: Jun 25, 2018
Excellent

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Using alert labels enables the medical staff to quickly identify important information such as ... Using alert labels enables the medical staff to quickly identify important information such as ...
Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ... Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ...
A cutaway of a small block Chevrolet V-8 showing the passage from the cylinder head through the ... A cutaway of a small block Chevrolet V-8 showing the passage from the cylinder head through the ...
RNA and Protein Evolution RNA and Protein Evolution
Protein Synthesis Protein Synthesis
Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester
Video: Genetic distance between human groups

For a complete list of videos, visit our video library