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aphy 102 exam 4 with correct answers 1) Graded A+
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aphy 102 exam 4 with correct answers 1) normal blood volume female vs male 5-6 male 4-5 female 2) main components of blood percentages 45% red blood cells by volume. This percent is called HCT or packed cells. less than 1% white blood cells and platelets (buffy coat) 55% is clear str...

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  • April 17, 2024
  • 19
  • 2023/2024
  • Exam (elaborations)
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aphy 102 exam 4 with correct answers
1) normal blood volume female vs male
5-6 male
4-5 female


2) main components of blood percentages
45% red blood cells by volume. This percent is called HCT or packed cells.

less than 1% white blood cells and platelets (buffy coat)

55% is clear straw-color plasma. Which includes water, amino acids, proteins, carbs lipids, vitamins,
hormones, electrolytes, and cellular waste


3) What hormone play an important role in the production of RBC
erythropoietin (EPO) controls the formation


3) What hormone play an important role in the production of platelets?
thrombopoietin


4) Describe the structure of RBC

lacks ___ and _____
has a bioconcave disc thin near the center and thicker around the rims. kinda like a kidney

the shape allows help with transporting ___ , it increases surface area, places it closer to hemoglobin.
nucleus
mitochondria
gases


4) life of RBC

1. The __ ___ absorbs nutrients

2. blood transports absorbs ____

3. ___ ____ cells are produced in the red bone marrow

4. red blood cells circulate in the bloodstream for about ___ days

5. Macrophages ____ and breaks down ___ blood cells

6. ______ breaks down _____

7. iron is recycled via the ____. biliverdin and bilirubin are secreted in ____.

8. bile is secreted into the ___ ____
small intestines

nutrients

red blood

,120 days

phagoctize

hepatocytes breaks into hemoglobin

bloodstream

small intestines


4) formation of rbc begin in the ____ sac, ___, ___.

after birth they are produced by the tissue lining the spaces in the ___ which are filled with ___ ___
marrow

_____ stem cells divide and give rise to erythoblasts. which divide and make new cells.

form and make ______. Which is the stage is where the cells exist the bone marrow to enter the
blood. Resulting cells are in _____
yolk sac
liver
spleen

bones
red bone

hematopoietic

reticulocytes

erythrocytes


5) Granulocytes are leukocytes with markedly ___ cytoplasm.

about twice the size of rbc

developed in __ ___ ___. life span about ___ hours.

include Neutrophils, Eosinophils, Basophils,
granular

red bone marrow
12 hours


5) ____ which include Neutrophils.

have ___-___ lobes. cytoplasmic granules stain light ____ in combined acid and base stains.

___ to attack.

account for ___% - ___%

function- ___ small particles.

, bacteria, fungi, and some viruses.
granulocytes

2-5

purple

first to attack

54%-62%

phagocytizes


5) _____ include eosinophils.
nucleus is ____.

cytoplasmic granules stain red in acid.

___%-___% of white blood cells are present

function - kills ____ (worms) and moderate _____ reactions
granulocytes

bilobed

1-3%

parasites

allergic reaction


5) ____ include basophils. Nucleus is ____. cytoplasmic granules stained blue in basic strain.

less than ___ percent

function- releases ____ which inhibits blood clotting, actions that increase blood flow to the injured
tissue and releases ___ which promotes inflammation.
granulocytes

lobed

1 percent

heparin

histamine


5)Agranulocytes have no visible ___.

include monocytes and lymphocytes
granules

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