lymphatic and respiratory practice quiz Flashcards
Which of the following is a primary function of the lymphatic system in the body?
A) to produce hormones
B) to maintain actin and myosin concentrations for muscle contractions
C) to produce, maintain, and distribute lymphocytes
D) to distribute erythrocytes
E) to produce myelin-producing cells
to produce, maintain, and distribute lymphocytes
Lymphatics carry lymph only from peripheral tissues to the ______
A) fourth ventricle
B) venous system
C) renal system
D) digestive system
E) arterial system
venous system
Which of the following is a function of the cytotoxic T cells?
A) removal of abnormal blood cells
B) humoral immunity
C) iron storage
D) initiation of the immune response
E) cell-mediated immunity
cell-mediated immunity
Which cells become activated only if the antigen appears in the body at a later date?
A) helper T cells
B) regulatory cells
C) macrophages
D) memory B cells
E) cytotoxic T cells
memory B cells
5) Helper T cells and regulatory T cells ________.
A) include approximately 10—15 percent of the circulating lymphocytes
B) can differentiate into plasmocytes when appropriately stimulated
C) are solely responsible for the phenomenon in the body known as “humoral immunity”
D) control the activation and activity of B cells
E) are responsible for the production and secretion of antibodies
control the activation and activity of B cells
6) Which cell population primarily functions in providing antibody-mediated immunity?
A) B cells
B) helper T cells
C) macrophages
D) granulocytes
E) regulatory T cells
B cells
B cells can differentiate into plasma cells, which are responsible for the production and secretion of _____
A) lymphocytes
B) antibodies
C) erythrocytes
D) platelets
E) antigens
antibodies
Cells that attack foreign cells, normal cells infected with viruses, and cancer cells that appear in normal tissues are ________
A) NK cells
B) memory B cells
C) regulatory T cells
D) cytotoxic T cells
E) plasmocytes
NK cells
In mucosa-associated lymphoid tissue (MALT), lymphocytes are aggregated in the epithelia of the ________.
A) urinary system
B) digestive system
C) reproductive system
D) endocrine system
E) MALT is found in all of these systems.
digestive system
Large lymphoid nodules in the tissue at the rear of the mouth are not visible due to their location at the base of the tongue, are called ________
A) palatine tonsils
B) Peyer’s patches
C) pharyngeal tonsils
D) lingual tonsils
E) aggregated lymphoid nodules
lingual tonsils
Which of the following is NOT a function of the spleen?
A) removal of abnormal blood cells from the blood
B) collection of fluids from the surrounding tissues
C) storage of iron
D) initiation of immune responses from B and T cells
E) production of lymphocytes
collection of fluids from the surrounding tissues
Which is NOT TRUE regarding the spleen?
A) It has an outer cortex and inner medulla.
B) It is divided into sections by capsular extensions called trabeculae.
C) Its white pulp consists of lymphatic cells.
D) It stores erythrocytes.
E) Its blood is supplied by the splenic artery and drained by the splenic vein.
It has an outer cortex and inner medulla
The upper respiratory system consists of the nose, nasal cavity, paranasal sinuses, and ________.
A) trachea
B) lungs
C) nasopharynx
D) bronchi
E) larynx
nasopharynx
The respiratory system functions in all, except ________.
A) sound reception
B) gas exchange
C) olfaction
D) gas conditioning
E) defense
sound reception
Which are the thinnest and most delicate branches of the bronchial tree?
A) segmental bronchi
B) lobar bronchi
C) terminal bronchioles
D) main bronchi
E) respiratory bronchioles
respiratory bronchioles
Each lung consists of approximately how many alveoli?
A) 100,000
B) one per bronchiole
C) 500,000
D) 150 million
E) 100 bazillion
150 million
The typical cell making up the alveolar wall is the ________.
A) type II alveolar cell (pneumocyte type II)
B) type I alveolar cell (pneumocyte type I)
C) alveolar macrophages
D) capillary endothelial cell
E) simple columnar cell
type I alveolar cell (pneumocyte type I)
Blood from the pulmonary veins enter which of the following structures?
A) coronary sinus
B) right ventricle
C) left ventricle
D) right atrium
E) left atrium
left atrium
T/F
Diffusion of respiratory gases across the respiratory membrane happen rapidly because the gases involved are water-soluble
True
T/F
Filtering, warming, and humidification of the inhaled air begins at the entrance to the upper respiratory system and continues throughout the rest of the conducting system.
true
T/F
The cricoid cartilage is a complete ring whose posterior portion is greatly expanded, providing support in the absence of the thyroid cartilage.
True
T/F
The right main bronchus has a larger diameter than the left, and it descends toward the lung at a steeper angle
true
a group of disorders that restrict airflow and reduce alveolar ventilation.
Chronic Obstructive Pulmonary Disease (COPD)
What are the primary respiratory muscles?
Diaphragm
External Intercostal Muscles
Internal Intercostal Muscles
Accessory Muscles
