Respiratory System

The cartilage, seen more prominetly in men than women, is part of the structural framework of the larynx and is called the Adam's Apples
A. Cricoid cartilage
B. Cuneiform Cartilages
C. Throid Cartilage
D. Corniculate Cartilage
E. Arytenoid Cartilage

Breathing in as much air as possible (after normal tidal expiration) is termed:
A. Inspiratiory Reserve Volume
B. Inspiratory capacity
C. Total Lung Volume
D.Tidal inspiration

Tachypnea refers to
A. Normal, relaxed quiet breathing
B. Temproaty Cessationn of breathing
C. Accelerated repiration and breathing
D. Labored, grasping breathing when lying down

Expanding the chest wall and lowering the diaphram will casue inpiration True or False

Opening and closing of the vestibular folds of the laynx occurs during speech True or False

the maindirect stimuls topulonary ventilation is H+ in teh cerebrospinal fluid, not the concentration of Co2 in the blood

The lateral wall of the nasal fossa has three bony projections called the
A. Nasal Septum
B. Nasal conchae
C. Ala nasi
D. Vomer

The Nasopharynx is lined wih _______ epithelium, while the oropharynx is lined with ______________epithelium

The Adam's Apple is part of which laryngeal cartilage>
A. Thyroid
B. Conriculate
C. Epiglottis
D. Cricoid

Complete cartilage rings support the trachea, keeping the airway open True or False

Which of the following is not part of the left lung?
A. Superior Lobe
B. Inferior Lobe
C. Cardiac Notch
D. Middle Lobe

The smalles inhaled particles are trapped by
A. Alveolar macrophages
B. Nasal vibrissae
C. Muscus of the Bronchi
D. Mucus of upper respiratory tract

Visceral Pleura covers the surface of the lungs True or False

In cool weather, our respiratory system warms the inhaled air, increasing its volume and helping to inflate the lungs. True or False

Expiration requires more energey than required by inspiration. True or False

Which of the following does not casue an increased resistance to airflow?
A. Brochochontriction
B. Epinephrine
C. Pulmonary Fibrosis
D. Anaphaylactic Shock

Surfactant increases surface tension in the avleoli. True or False

Anatomic dead space plus the nonfunctional alveolar space equals the physiologic dead space True or False

The Vital Capacity of the lungs equals the total lung capacity minus tidal volume. True or False

Which of the following is not part of the medulla oblongata?
A. Ventral repiratory group
B. Inspiratory Center
C. Pneumotaxic Center
D. Inspiratory Neurons

The respiratory centers recieve afferent input form the
A. Blood Chemorecptors
B. Vagus Nerve
C. Limbic System
D. All of the Above

Since 1 atmosphere of presssure equals 760 mmHG, which gass has a partial pressure of about 160 mmHg in inspired air?
A. N2
B. CO2
C. O2
D. H2O

The transport of Co2 in the blood occurs chiefly in which of the following forms?
A. HbCO
B. Dissolved gas
C. HbCO2
D. Carbonic Acid

The primary factor affecting chemorecptors of blook gases is
A. CO2
B. PH
C. O2
D. CO

Blood levels of CO2 are directly proportional to H+ level becasue of the carbonic acid reaction.
True or False

Hypoxia casue by inadequate gas exchange is classified as
A. ischemic Hypoxia
B. Anemic Hypoxia
C. Histoxic hypoxia
D. Hypoxemic Hypoxia

Decreased bronchial chillary action, increased mucus production, alveolar macrophage disruption, chonic infection, emphysema and cancer are all associated with smoking.
True or False

The most common lung cancer (Characterized by keratin tissue replacing lung tissue) is
A. Squamous cell carcinoma
B. Oat Cell Carcinoma
C. Adenocarcinoma
D. None of the above

The correct sequence of air passage from the nose to the alveoli

Surfactant is secreted in the
A. Repiratory Bornchioles
B. Olfactory epithelium
C. Terminal Bronchioles
D. Trachea
E. Aveoli

What is the function of cartilanginous rings

Pleural fluid is imporatant for all of these reasons except
A. Helps to create pressure gradient
B. Lubricates pleural cavity
C. Reduces cohesion of water molecules
D. Assists in inflation of the lungs

As the thoracic cavity expands, the:
A. Intrapleural pressure falls
B. Intrapleural pressure rises
C. intrpulmonary pressure increases
D. Intrapleural pressue remains constant
E. alveolar pressue rises

All of the following factors could produce bronchoconstriction except:
A. Histamine
B. Cold Air
C. Asthama
D. Epinephrine
E. Airbone irrants

Normal, resting breaths are called:
A. Residual Volumen
B. Vital Capacity
C. inspiratory reserve volume
D. Tidal Volume
E. Functional residual capacity

Falling blood PH would have what affect on respiration normally?
A. Hyperventilation
B. Increased Hering-Beuer reflex
C. Hypoventilation
D. Eupnea
E. Frquent Apnea

All of the following factors will casue the oxyhemoglobin dissociation curve to be lower except:
A. Lower pO2 in tissues
B. Rising body temperature
C. Elevated BPG Levels
D. Lower PH
E. Lower carbon dioxide concentrations

In this condition, the walls of the alveoli are destroyed, leading to a lower surface area for respiration:
A. Histotoxic hypoxia
B. Asthama
C. sleep apnea
D. Chronic Bronchitis
E. Emphysema