1. Joe Smith has had his spleen removed after a motor-vehicle accident. What
physiologic changes will develop as a result of this procedure?
Lack of immunoglobulin M (IgM) response. There will be an increase in all
types of blood cells, Increase risk for infection, and a person must be careful
when traveling due to the chance of getting a new disease that is not in their
current location, they may need extra vaccinations.
2. Explain the functions of the cellular components of the blood.
Erythrocytes- tissue oxygenation
Leukocytes- defend the body against infection and remove debris
Platelets- blood coagulation and control bleeding
3. A physician has advised Justin’s father to take an aspirin a day to reduce the
risk of having a heart attack. Why would the physician tell him that?
an aspirin a day can thin the blood some causing platelets not to clump as
easy. If platelets aren’t clumping
together easily it would be hard for them to form a clot and block an artery and
cause another hearth attack.
4. What causes a platelet adhesion?
The cause is trauma/injury to the blood vessel mediated by the binding of the
platelet surface receptor glycoprotein-ib to von Willebrand factor.
5. Bobby, 6 years old, fell off his bike and skinned his knee. His mother notices
that the injury is not deep but is bleeding. What kind of damage has probably
occurred with his blood vessels?
With abrasions it is usually a capillary damage
, 6. A 27-year-old woman is seen at her gynecologist’s office to confirm an early
pregnancy. After confirmation, the gynecologist discusses dietary requirements
for a pregnant woman. Both iron and folate are vital to meet both the woman’s
needs and those of the developing baby. They play an active role in the
development of:
A. Erythrocytes
B. Leukocytes
C. Neutrophils
D. Platelets
7. Within the first year of life, it is normal for a child’s:
A. Reticulocyte count to rise
B. Platelet count to fall
C. Lymphocyte count to rise
D. Eosinophil count to fall
8. Ms. Blankenship has IDA. She has just had a total abdominal hysterectomy.
Her postoperative hemoglobin is 8 g/dl, and her hematocrit is 25%. She states
that she has been anemic for years. What clinical findings are commonly
associated with IDA?
Asymptomatic at first and then pallor, fatigue, irritability, brittle hair, clubbing,
inflammation in the oral mucosa and tongue, menstrual irregularities, delayed
healing due to lack of oxygen, Tachycardia, heart palpitations, dyspnea, and
fainting. She may also exhibit gastritis, neuromuscular changes, irritability,
headache, numbness, tingling, and vasomotor disturbances. Older adults may
also experience mental confusion, memory loss, and disorientation.
9. A medical technologist became extremely confused at the result of a complete
blood count (CBC) that she completed during a person’s autopsy. As she
picked up the tube from the mixer, she noticed a large number of very small
clumps in the tube. When she placed the tube in a beaker of warm water (37o
C), the clumps disappeared. She re-ran the CBC, and the results looked more
like the results of a person who was actually alive. What could have caused
this clumping?
Cold Agglutinin disease which is an autoimmune hemolytic anemia in which
antibodies only bind to red blood cells at low temperatures.
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