« previous next »

Author Question: Night blindness is a symptom of _______ deficiency. a. vitamin B1 b. niacin c. folacin d. ... (Read 147 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Jun 25, 2018
Night blindness is a symptom of _______ deficiency.
 
  a. vitamin B1
  b. niacin
  c. folacin
  d. vitamin A

Question 2

________ The formed elements of blood are the red and white blood cells and platelets.
 
  Indicate whether the statement is true or false


Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 25, 2018
Answer to Question 1

d

Answer to Question 2

True


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

African night adder African night adder
Blindness Blindness
This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S
Pathway for vitamin D activation. Pathway for vitamin D activation.
Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen
Skin rash is one of the symptoms of zinc deficiency Skin rash is one of the symptoms of zinc deficiency
Video: T cell receptors

For a complete list of videos, visit our video library