NR 507 Week 4 Midterm Exam Q &A (Score 58/60)

The coronary ostia are located in the: (Points : 2)

Left ventricle

Aortic 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 self-antigens

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)

Right-to-left blood shunting

Left-to-right 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 self-destruct when growth is excessive

Antigrowth signal activated by the tumor-suppressor 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 well-differentiated.

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