NR 507 MIDTERM EXAM 2 – QUESTIONS AND
ANSWERS
The coronary ostia are located in the: (Points : 2)
Left ventricle
Aortic
... [Show More] valve
Coronary
sinus
Aorta
Where in the respiratory tract do the majority of foreign objects aspirated by children finally lodge?
(Points : 2)
Trachea
Left lung
Bronchus
Bronchioles
Which type of antibody is involved in type I hypersensitivity reaction? (Points : 2)
IgA
IgE
IgG
IgM
Hypersensitivity is best defined as a(an): (Points : 2)
Disturbance in the immunologic tolerance of selfantigens
Immunologic reaction of one person to the tissue of another
person Altered immunologic response to an antigen that
results in disease Undetectable immune response in the
presence of antigens
What is the final stage of the infectious process? (Points : 2)
Colonization
Invasion
Multiplication
Spread 1. Colonization 2. Invasion 3. Multiply 4. spread
The function of the foramen ovale in a fetus allows what to occur? (Points : 2)
Righttoleft
blood
shunting Lefttoright
blood shunting
Blood flow from the umbilical
cord Blood flow to the lungs
It has been determined that a tumor is in stage 2. What is the meaning of this finding? (Points : 2)
Cancer is confined to the organ of
origin. Cancer has spread to regional
structures. Cancer is locally invasive.
Cancer has spread to distant sites
What is the primary problem resulting from respiratory distress syndrome (RDS) of the
newborn? (Points : 2)
Consolidation
Pulmonary edema
Atelectasis
Bronchiolar plugging
Which statement is true concerning the IgM? (Points : 2)
IgM is the first antibody produced during the initial response to an
antigen. IgM mediates many common allergic responses.
IgM is the most abundant class of
immunoglobulins. IgM is capable of crossing the
human placenta.
Apoptosis is a(an): (Points : 2)
Normal mechanism for cells to selfdestruct
when growth is
excessive Antigrowth signal activated by the tumorsuppressor
gene Rb
Mutation of cell growth stimulated by the TP53 gene
Transformation of cells from dysplasia to anaplasia
Which statement concerning benign tumors is true? (Points : 2)
The resulting pain is severe.
Benign tumors are not
encapsulated. Benign tumors are
fast growing.
The cells are welldifferentiated.
Which complex (wave) represents the sum of all ventricular muscle cell depolarizations? (Points
: 2)
PRS
QRS
QT interval
P
Which organism is a common sexually transmitted bacterial infection? (Points : 2)
Staphylococcus
aureus Clostridium
perfringens
Helicobacter pylori
Treponema pallidum
Which organ is stimulated during the alarm phase of the general adaptation syndrome (GAS)?
(Points : 2)
Adrenal cortex
Hypothalamus
Anterior pituitary
Limbic system
What is the role of caretaker genes? (Points : 2)
Maintenance of genomic integrity
Proliferation of cancer cells
Secretion of growth factors
Restoration of normal tissue structure
Where are antibodies produced? (Points : 2)
Helper T lymphocytes
Thymus gland
Plasma
cells Bone
marrow
The lung is innervated by the parasympathetic nervous system via which nerve? (Points : 2)
Vagus
Phrenic
Brachial
Pectoral
What physical sign is the result of turbulent blood flow through a vessel? (Points : 2)
Increased blood pressure during periods of
stress Bounding pulse felt on palpation
Cyanosis observed on
excretion Murmur heard on
auscultation
What is the primary cause of respiratory distress syndrome (RDS) of the newborn? (Points : 2)
Immature immune
system Small alveoli
Surfactant deficiency
Anemia
What is the fundamental physiologic manifestation of anemia? (Points : 2)
Hypotension
Hyperesthesia
Hypoxia
Ischemia
Which term is used to describe a muscle cell showing a reduced [Show Less]