17 quiz

Human
Anatomy
& Physiology
SEVENTH EDITION
Elaine N. Marieb
Katja Hoehn
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings
Active Lecture Questions
prepared by
Cinnamon VanPutte,
Southwestern Illinois College
C H A P T E R
17
Blood

Which of the following comprise a logical sequence of
vessels as blood exits the heart?
a. capillaries; arteries; veins
b. veins; capillaries; arteries
c. arteries; capillaries; veins
d. arteries; veins; capillaries

Of the listed blood components, which comprises the
immune function?
a. plasma
b. buffy coat
c. erythrocytes
d. hematocrit

The major function of the most common plasma
protein, albumin, is __________.
a. maintenance of plasma osmotic pressure
b. buffering changes in plasma pH
c. fighting foreign invaders
d. both a and b

Red blood cells are efficient oxygen transport cells. Of
the following characteristics, which is the major
contributor to the large oxygen-carrying capacity of a
red blood cell?
a. red blood cells lack mitochondria
b. red blood cells don’t divide
c. red blood cells are biconcave discs
d. red blood cells contain hemoglobin

Each hemoglobin, the oxygen transport protein, can
transport ________ oxygen atoms.
a. 4
b. 40
c. 400
d. 4000

Oxygen binds to the _______ portion of hemoglobin.
a. globin
b. oxyhemoglobin
c. iron atom
d. amino acid

Iron levels in a patient’s blood are lowered. This
patient would experience which of the following
symptoms?
a. an elevated red blood cell count
b. an increase in energy level
c. an increase in fatigue level
d. a decreased white blood cell count

A hematopoietic stem cell will give rise to __________.
a. erythrocytes
b. leukocytes
c. platelets
d. all of the above

Predict the outcome of an overdose of the hormone,
erythropoietin.
a. the blood viscosity increases to levels that
may induce heart attacks or strokes
b. oxygen-carrying capacity remains
unchanged despite elevated red blood cell
counts
c. red blood cell counts remain unchanged,
but the number of reticulocytes increase
d. blood viscosity levels decrease while
oxygen-carrying capacity increases

What response would you expect after traveling to a
high altitude area for a period of two weeks?
a. blood levels of oxygen would remain
depressed for the duration
b. a surge in iron release from the liver would
occur
c. the kidney would secrete elevated amounts
of erythropoietin
d. there would be no change in blood
composition

Pernicious anemia is the inability of the body to absorb
vitamin B12. Predict the symptom
a. the patient would have reduced blood iron
levels
b. the patient’s red blood cells would be
incapable of dividing
c. the patient would have low levels of
hemoglobin
d. the patient would not experience an effect
on red blood cells

Which of the following statements is TRUE regarding
the mechanism controlling movement of white blood
cells into damaged areas?
a. white blood cells exit the capillary and move
through the tissue spaces with cytoplasmic
extensions by following a trail of chemicals
produced by other white blood cells
b. blood capillaries break open, flooding the
damaged area with white blood cells
c. the damaged cells synthesize their own
white blood cells
d. none of the statements are true

An elevated neutrophil count would be indicative of
________.
a. a viral infection
b. a common cold
c. an acute bacterial infection
d. a parasitic infection

Antihistamines counter the actions of which white
blood cells?
a. neutrophil
b. lymphocyte
c. basophil
d. eosinophil

Leukemia is a general descriptor for what type of
disorder?
a. an abnormally low white blood count
b. overproduction of abnormal leukocytes
c. elevated counts of normal neutrophils
d. overproduction of abnormal erythrocytes

__________ is the progenitor of platelets
a. Thrombopoietin
b. Thrombocyte
c. Megakaryocyte
d. Thrombocytoblast

Why don’t platelets form plugs in undamaged vessels?
a. platelets aren’t formed until damage
occurs
b. only contact of platelets to exposed
collagen fibers and von Willebrand factor
causes them to be sticky and form plugs
c. they do, but the plugs are removed by
macrophages
d. platelets don’t form plugs, it is the
megakaryocytes that form the plugs

Activation of the extrinsic pathway of coagulation
requires exposure of the blood to _________.
a. collagen
b. tissue factor
c. prothrombin activator
d. serotonin

Why doesn’t a clot fill the entire vasculature system
once it has started forming
a. rapid blood flow washes away and dilutes
activated clotting factors
b. thrombin is inactivated by antithrombin III
if it enters the general circulation
c. both a and b
d. neither a nor b

A patient might be prescribed an oral heparin
medication if
a. they are at risk for embolism (clots that
spontaneously form and wedge in blood
vessels).
b. they have thrombocytopenia.
c. they are a hemophiliac.
d. they have a deficiency in a clotting factor.

In theory, why could it be possible for a person with
Type A– blood to have a negative reaction when
receiving a transfusion of whole Type O– blood
(including plasma)?
a. some Type O cells possess B agglutinogens on their
surface
b. the Rh factor would cross-react
c. blood transfusions can only occur within the same
blood group
d. the type O blood may have high enough levels of anti-
A antibodies that could cross-react with the recipient’s
cells

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