A decrease in blood oxygen stimulates which of the following? correct
answers a.
increase in an
erythropoietin formation, which increases red blood cell
production
Antibodies are produced by which type of white blood cell?
correct answers
lymphocyt
es
Which statement about the structure of the heart is accurate? correct
answers and
superior b. Theinferior venae cavae enter the right atrium, and the pulmonary
veins
the enter
left
atrium.
Which part of the cardiovascular system brings blood into the right atrium
of the heart?
correct answers c. superior vena
cava
Deoxygenated blood flows through the pulmonary structures in what
order? correct
answers d. pulmonary semilunar valve ⇒ pulmonary trunk ⇒
pulmonary arteries
Oxygenated blood flows through the heart's structures in what order?
correct
b. answers
bicuspid valve ⇒ left ventricle ⇒ aortic
semilunar valve
In the human body, veins are categorized according to correct
answers size
Which sequence correctly shows the direction of blood flow in the
capillary network?
correct
answers
When do congenital heart diseases occur? correct answers
b. at birth
How does arteriosclerosis affect the circulatory system? correct answers c. It
increases
resistance to blood
flow.
Lymph consists of water and solutes derived from correct answers b. cell
tissue and
plasma
.
Which of these mechanisms is responsible for moving lymph through
lymphatic
vessels? correct answers b. contraction of skeletal
muscles
Which statement about diffuse lymphatic tissue is accurate? correct answers
a. It has a
clear
b. It contains
boundary.
macrophages.
c. It is located superficial to mucous
membranes.
d. It is organized into compact, somewhat spherical
structures.
, Which is a function of the lymphatic system? correct answers b.
regulation of fluid
balanc
e
What would happen if excess lymph remained in the interstitial fluid instead
of entering
the lymphatic capillaries? correct answers d. Edema would result,
causing tissue
damage and possibly
death.
Which cell type is part of the innate immune system? correct answers a.
natural killer
cel
lb. memory B
cell
c. plasma
cell
d. helper T
cell
In the body's defense system, specificity and memory are key
characteristics
answers of correct
b. adaptive
immunity.
Which of these is an autoimmune disease? correct answers d.
systemic lupus
erythematos
us
What is the first stage of HIV infection? correct answers b. A protein on the
surface
the virusofbinds to a CD4 molecule on the cell
surface.
Which three organs make up the lower respiratory tract? correct answers
a. pharynx,
larynx, and
trachea
b. nose, nasal cavity, and
pharynx
c. pharynx, trachea, and
bronchi
d. trachea, bronchi, and
lungs
The process of moving air into and out of the lungs is called correct
answers d.
ventilatio
n.
In the human body, internal respiration is a gas exchange between the
correct
a. air in answers
the lungs and the
blood.
b. air in the lungs and the
tissues.
c. blood and the
lymph.
d. blood and the
tissues.
The inspiratory reserve volume for a young adult male is 3000 mL, the
tidal mL,
500 volume
and is
the expiratory reserve volume is 1100 mL. What is the
vital capacity?
correct answers Select
one:
a. 1400
b. 2400
mL
mL
c. 4100
mL
d. 4600
mL