Author Question: A hospital laboratory technologist is analyzing the complete blood count (CBC) of a patient. Which ... (Read 152 times)

Caiter2013 · **on:** Jun 25, 2018

A hospital laboratory technologist is analyzing the complete blood count (CBC) of a patient. Which of the following statements best reflects an aspect of the platelets that would constitute part of the CBC?

A)
Platelets originate with granulocyte colony-forming units (CFU).
B)
The half-life of a platelet is typically around 8 to 12 days.
C)
The -granules of platelets contribute primarily to vasoconstriction.
D)
New platelets are released from the bone marrow into circulation.

Question 2

A 5th grade elementary student asks the school nurse how much blood is in an entire body. The nurse should respond that the average grown-up adult has

A)
2 to 4 cups of blood in his or her body.
B)
3 pints of blood in total.
C)
3 to 4 quarts of blood in his or her body.
D)
5 to 6 L of blood throughout his or her body.

Jadwiga9 · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

Ans:
B

Feedback:

Platelets' half-life is typically around 8 to 12 days. They originate from megakaryocytes, and -granules facilitate vasoconstriction. New platelets are released from the spleen into circulation.

Answer to Question 2

Ans:
D

Feedback:

The total volume of blood in the average adult is about 5 to 6 L, and it circulates throughout the body within the confines of the circulatory system.