NR 507 Week 4 Midterm Exam 2020 (A Grade) – Chamberlain College of Nursing | NR507 Week 4 Midterm Exam 2020 (A Grade)

Chamberlain College of Nursing - NR

507NR 507 Week 4 Midterm

NR 507 Week 4 Midterm

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

 Left ventricle

 Aortic valve Answers

 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 Answers

 Bronchioles

Which type of antibody is involved in type I hypersensitivity reaction? (Points : 2)

 IgA

IgE

IgG

IgM

Answers available at https://bit.ly/2ziyl9e

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

Answers available at https://bit.ly/2ziyl9e

lOM oARc PSD|5541813

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 Answers available at https://bit.ly/2ziyl9e

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 Answers available at https://bit.ly/2ziyl9e

 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. Answers available at https://bit.ly/2ziyl9e

lOM oARc PSD|5541813

Which complex (wave) represents the sum of all ventricular muscle cell depolarizations?

(Points : 2)

 PRS

 QRS Answers available at https://bit.ly/2ziyl9e

 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 Answers available at https://bit.ly/2ziyl9e

 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 Answers available at https://bit.ly/2ziyl9e

The lung is innervated by the parasympathetic nervous system via which nerve? (Points : 2)

 Vagus

Phrenic

Brachial

Pectoral