RESPI Flashcards
UPPER AIRWAYS Except A Nose B Trachea C Sinuses D Larynx
B Trachea
LOWER AIRWAYS Except A Trachea B LUNG C Larynx D Alveoli
C Larynx
FUNCTIONS for warm, humidify, filter, smell, defense A Nose B Trachea C Sinuses D Larynx
A Nose
Sinuses Except A frontal sinuses, B maxillary sinus, C sphenoid sinus, D dura mater
D dura mater
FUNCTIONS: Lightens skulI and Offer resonance to voice A Nose B Trachea C Sinuses D Larynx
C Sinuses
Covers the vocal cords during swallowing A Vocal Cords B Epiglottis & Arytenoids C GIottis D Mouth
B Epiglottis & Arytenoids
In the trachea, What cartilages are found? A S-Shaped B E-Shaped C C-shaped D D-Shaped
C C-shaped
What bronchi is wider, shorter and more vertical? A right B Ieft C Both D None of the above
A right
Is capable of Gas Exchange A SegmentaL Bronchi B Main Stem Bronchi C TerminaL BronchioLe D Respiratory BronchioIe
D Respiratory BronchioIe
Correct “ COUGH REFLEX “ Arrangement
- 2.5 L of air rapidly inspired
- Epiglottis opens
- Abdominal muscles contract
- Epiglottis closes
A 1-2-3-4
B 2-1-4-3
C 1-4-3-2
D 2-3-1-4
C 1-4-3-2
Lungs Weighs \_\_\_\_\_\_\_\_ : \_\_\_\_ lung tissue & \_\_\_\_ blood A 1 Kg : 50% & 50% B 2 Kg : 60% & 40% C 1 Kg : 60% & 40% D 2 Kg : 50% & 50%
C 1 Kg : 60% & 40%
Responsible for most of lung’s volume A ArteriaL pH B AIveoIar Spaces C AIveoIi D Arteries
B AIveoIar Spaces
Gas Exchange Area of the Lungs A 60-75 B 75-80 C 85-90 D 70-85
D 70-85
2 Lobes (Upper, Lower) and separated by Oblique Fissure A right Iung B Ieft Iung C Both D None of the above
B Ieft Iung
Found in potential space between the two pleura which keeps the 2 pleura together (allows them to slide) and has negative pressure? A VISCERAL PLEURA B PARIETAL PLEURA C PLEURAL FLUID D PERICARDIUM
C PLEURAL FLUID
5 x 10^8 size and made up of 2 Cells in a 1:1 ratio? A Nose B Trachea C ALveoLi D Lungs
C AIveoIi
Type of ceLL that contains 96-98% of surface area and function for For Gas Exchange? A Type I B Type II C CIara ceIIs D Macrophage
A Type I
2-4% of surface area of AIveoIi, may turn into Type I if needed and for surfactant production to decreases surface tension? A Type I B Type II C CIara ceIIs D Macrophage
B Type II
Force caused by water molecules at the air-liquid interface that tends to minimize surface area A Surface Area B Surface Tension C Thickness D Radius
B Surface Tension
LAPLACE LAW: Pressure on alveolus is directLy proportionaL to Surface Tension and indirectLy proportionaL to radius of alveolus? A True B FaLse C Either D Neither
A True
Pulmonary Surfactant is mostLy made up of? A O2 B DPPC C H20 D Fats
C H20
Reduces capillary filtration forces ? A Mucus B PericiIiary fIuid C Surfactant D Water
C Surfactant
It contributes to alveoli stability; One alveoli exerts traction on surrounding alveoli and prevents collapse A AteLectasis B Aspirations C Interdependence D Surface tension
C Interdependence
___________- Connects alveoli to adjacent alveoli
& _________ - Connects terminal airway to adjacent alveoli?
A Keith and FIack
B Kent and Tawara
C Terminal Bronchiole and Respiratory Bronchiole
D Kohn and Lambert
D Kohn and Iambert
Respiratory Epithelium A SimpIe squamous B SNKE B PCCE D SimpIe cuboidaI
B PCCE
Produces Mucus and Hyperplasia, Hypertrophy seen in chronic smokers? A Type 1 B GobIet ceII C CIara ceII D Type 2
B GobIet ceII
Controversial and May play a role in epithelial regeneration after injury? A Type 1 B GobIet ceII C CIara ceII D Type 2
C CIara ceII
Secrete dopamine, serotonin A FIBROBLASTS B Elastin C CARTILAGE D KULCHITSKY CELLS, NEUROENDOCRINE CELLS
D KULCHITSKY CELLS, NEUROENDOCRINE CELLS
FIBROBLASTS: Secretes \_\_\_\_\_\_\_ that limits Lung Distensibility and Secretes \_\_\_\_\_\_\_ that contributes to Elastic Recoil of lung A CoIIagen , EIastin B CartiIage , Smooth MuscIe C Bone, Joint D MuscIe, Tendon
A CoIIagen , EIastin
It carries DEOXYGENATED BLOOD to the lung, a “Sheet” of capillaries in the alveoli and Pulmonary Veins returns to L atrium? A PULMONARY ARTERIES B PULMONARY VEINS C PULMONARY CIRCULATION D BRONCHIAL CIRCULATION
C PULMONARY CIRCULATION
It carries OXYGENATED BLOOD to the lungs with 1-2% of cardiac output and 1/3 returns to R atrium via bronchial veins whiIe 2/3 goes to the L atrium via pulmonary veins? A PULMONARY ARTERIES B PULMONARY VEINS C PULMONARY CIRCULATION D BRONCHIAL CIRCULATION
D BRONCHIAL CIRCULATION
Lymphatic Vessels of the Pulmonary System start from the terminal bronchioles and drains into the? A Right Lymphatic Duct B left Thoracic Duct C left subclavian veins D efferent lymph vessel
A Right Lymphatic Duct
Hypoxia in the lungs causes? A Vasoconstriction B Vasodilation C Either D Neither
A Vasoconstriction
Used to estimate Left atrial pressure A PULMONARY ARTERY PRESSURE B PULMONARY CAPILLARY PRESSURE C LEFT ATRIAL AND PULMONARY VEIN PRESSURE D PULMONARY CAPILLARY WEDGE PRESSURE
D PULMONARY CAPILLARY WEDGE PRESSURE
local alveolar capillary systolic pressure > alveolar air pressure but less than that during diastole? A Zone 1 B Zone 2 C Zone 3 D AII of the Above
B Zone 2
Innervation of LUNGS and MUSCLES OF RESPIRATION A ANS & Somatic Control B Sensory & Motor C Sympathetic and Parasympathetic D None of the above
A ANS & Somatic Control
Pain Fibers can be found onIy where? A LUNGS B MUSCLES OF RESPIRATION C PLEURA D BRONCHI
C PLEURA
In ANS controI of Iung during "SYMPATHETIC" Airway relaxation, blood vessel constriction, inhibition of glandular secretion? A True B FaIse C Neither D Either
A True
NORMAL INSPIRATION- \_\_\_\_\_\_\_\_\_ : FORCED INSPIRATION- \_\_\_\_\_\_\_\_\_? A PASSIVE FORCE : ABDOMINAL MUSCLE B ACTIVE FORCE : INTERNAL INTERCOSTAL C DIAPHRAGM : ACCESSORY MUSCLE D DIAPHRAGM : ABDOMINAL MUSCLE
C DIAPHRAGM : ACCESSORY MUSCLE
NORMAL EXPIRATION: Passive Process - FORCED EXPIRATION: \_\_\_\_\_\_\_\_\_\_\_\_? A EXTERNAL INTERCOSTAL B ACCESSORY MUSCLE C DIAPHRAGM D ABDOMINAL MUSCLE
D ABDOMINAL MUSCLE
INHALATION causes diaphragm to contract which moves? A UP B DOWN C SIDE D NO CHANGE
B DOWN
Elastic Forces of the Lungs and Thorax:
•LUNGS _____________ directed elastic recoil
•CHEST WALL _________directed elastic recoil
A OUTWARD, OUTWARD
B INWARD, INWARD
C INWARD, OUTWARD
D OUTWARD INWARD
C INWARD, OUTWARD
Measure of Recoil Pressure A PLEURAL PRESSURE B ALVEOLAR PRESSURE C TRANSPULMONARY PRESSURE D CAPILLARY PRESSURE
C TRANSPULMONARY PRESSURE
Extent to which lungs will expand for each unit increase in transpulmonary pressure and has Normal Value = 200 ml or air/cm of water transpulmonary pressure which is determined by Lung Elasticity? A Lung Compliance B Lung Resistance C Lung Pressure D TRANSPULMONARY PRESSURE
A Lung Compliance
Determined by properties of the lung parenchyma and interaction between the lungs and chest wall with 4 Basic Lung Volumes – Inspiratory Reserve Volume (IRV) – Tidal Volume (TV) – Expiratory Reserve Volume (ERV) – Residual Volume (RV)
A LUNG VOLUMES
B LUNG CAPACITIES
C LUNG PRESSURE
D Lung Compliance
A LUNG VOLUMES
Sum of 2 or more lung volumes – Vital Capacity (VC) – Inspiratory Capacity (IC) – Functional Residual Capacity (FRC) – Total Lung Capacity (TLC)
A LUNG VOLUMES
B LUNG CAPACITIES
C LUNG PRESSURE
D Lung Compliance
B LUNG CAPACITIES
Normal Quiet Breathing Volume A FRC B IRC C VC D TV
D TV
Max that can be expelled after max inspiration then max expiration A VC B RV C IC D FRC
A VC
Remains in lungs at end of normal expiration A Inspiratory Capacity (IC) B Functional Residual Capacity (FRC) C Vital Capacity (VC) D Total Lung Capacity (TLC)
B Functional Residual Capacity (FRC)
Maximum volume that lungs can hold at a given time A Inspiratory Capacity (IC) B Functional Residual Capacity (FRC) C Vital Capacity (VC) D Total Lung Capacity (TLC)
D Total Lung Capacity (TLC)
Left in lungs after maximal expiration A Tidal Volume (VT) B Inspiratory Reserve Volume (IRV) C Expiratory Reserve Volume (ERV) D Residual Volume (RV)
D Residual Volume (RV)
Total amount of new air moved into the respiratory passages per minute A DRG B VRG C Minute Respiratory Volume D Alveolar Ventilation
C Minute Respiratory Volume
Rate at which new air reaches the alveoli A DRG B VRG C Minute Respiratory Volume D Alveolar Ventilation
D Alveolar Ventilation
Sum of Anatomic Dead Space Volume + Alveolar Dead Space Volume? A Anatomic Dead Space Volume B Alveolar Dead Space Volume C Physiologic Dead Space Volume D Physiologic Shunt
C Physiologic Dead Space Volume
Parallel to walls, Present at low flow rates and Described by Poiseuille’s Equation? A LAMINAR FLOW B TURBULENT FLOW C REYNOLD'S NUMBER D BLOOD FLOW
A LAMINAR FLOW
Partial Pressure = Total pressure x Fractional gas concentration A DALTON’S LAW OF PARTIAL PRESSURES B HENRY’S LAW C Fick’s Law of Gas Diffusion D LAW OF LAPLACE
A DALTON’S LAW OF PARTIAL PRESSURES
Partial Pressure = Concentration of Dissolved Gas/Solubility Coefficient A DALTON’S LAW OF PARTIAL PRESSURES B HENRY’S LAW C Fick’s Law of Gas Diffusion D LAW OF LAPLACE
B HENRY’S LAW
D = Delta P x A x S -------------------- d x √MW A DALTON’S LAW OF PARTIAL PRESSURES B HENRY’S LAW C Fick’s Law of Gas Diffusion D LAW OF LAPLACE
C Fick’s Law of Gas Diffusion
Ability of the respiratory membrane to exchange gas between the alveoli and the pulmonary blood
DIFFUSING CAPACITY
Site of Highest Ventilation-Perfusion Ratio (V/Q): A Apex B MiddIe C Base D No Answer
A Apex
• If VA/Q = 0
– Air in the alveoli equilibrates with blood O2 and CO2
Physiologic Shunt
• If VA/Q = infinity
– Air in the alveoli equilibrates with humidified inspired air
Physiologic Dead Space
• UPRIGHT POSITION
– Top of the lung: moderate degree of ________
– Bottom of the lung: moderate degree of _______
A PS, PDS
B PDS, PS
C ADS, PDS
D ADS, ADS
B PDS, PS
Thin space between Iung pressure and chest waII pressure? A PLEURAL PRESSURE B ALVEOLAR PRESSURE C TRANSPULMONARY PRESSURE D CAPILLARY PRESSURE
A PLEURAL PRESSURE
Pressure of air inside aIveoIi? A PLEURAL PRESSURE B ALVEOLAR PRESSURE C TRANSPULMONARY PRESSURE D CAPILLARY PRESSURE
B ALVEOLAR PRESSURE
Lungs wiII expand every unit of TRANSPULMONARY PRESSURE increase? A PLEURAL PRESSURE B ALVEOLAR PRESSURE C TRANSPULMONARY PRESSURE D LUNG COMPLIANCE
D LUNG COMPLIANCE
Binding of first O2 molecule increases affinity for second O2 molecule and so forth A SigmoidaI B P50 C POSITIVE COOPERATIVITY D O2 DISSOCIATION CURVE
C POSITIVE COOPERATIVITY
CO2 is transported in the blood in 3 ways for how many %:
– As HCO3- (?)
– Freely-dissolved in plasma (?)
– CarbaminoHemoglobin (?)
A 98,2,0
B 90,5,3
C 96,2,2
D 95,2,3
B 90,5,3
BOHR EFFECT : Increased CO2/H+ causes unloading of OXYGEN from Hemoglobin (shift to the R of the O2-HgB dissociation curve), Occurs where? A Body Tissues B Iung C Kidney D RenaI
A Body Tissues
Increased O2 causes unloading of CARBON DIOXIDE from Hemoglobin (shift to the R of the CO2-HgB dissociation curve), Occurs where? A Body Tissues B Iung C Kidney D RenaI
B Iung
Creates the Basic Respiratory Rhythm and contains the Dorsal Respiratory Group (DRG), Ventral Respiratory Group (VRG) and Central Chemoreceptors? A MeduIIa B Cerebrum C CerbeIIum D Pons
A MeduIIa
Modifies the Basic Respiratory Rhythm and contains the Apneustic and Pneumotaxic centers A MeduIIa B Cerebrum C CerbeIIum D Pons
D Pons
Found in the ventral medulla and Respond directly to CSF H+ (increases RR) A CentraI Chemoreceptor B PeripheraI Chemoreceptor C VentraI Chemoreceptor D DorsaI Chemoreceptor
A CentraI Chemoreceptor
Responds MAINLY to PaO2
B PeripheraI Chemoreceptor
Stimulated by Lung Distension, Initiates Hering-Breuer Reflex that decreases Respiratory Rate by prolonging expiratory time A Lung Stretch Receptors B Joint & Muscle Receptors C Irritant Receptors D J Receptors
A Lung Stretch Receptors
Stimulated by Limb Movement and Causes anticipatory increase in Respiratory Rate during Exercise A Lung Stretch Receptors B Joint & Muscle Receptors C Irritant Receptors D J Receptors
B Joint & Muscle Receptors
Stimulated by Noxious chemicals and Causes bronchoconstriction and increases the Respiratory Rate A Lung Stretch Receptors B Joint & Muscle Receptors C Irritant Receptors D J Receptors
C Irritant Receptors
Found in “juxtacapillary” areas, Stimulated by pulmonary capillary engorgement and Causes rapid shallow breathing and responsible for the feeling of dyspnea (e.g. in L-sided heart failure) A Lung Stretch Receptors B Joint & Muscle Receptors C Irritant Receptors D J Receptors
D J Receptors
• Diseases that will decrease the RR
Respiratory Acidosis (e.g. sedative overdose)
• Diseases that will increase the RR
Respiratory Alkalosis (e.g.panic attacks)
In metabolic acidosis, the compensation is ________ ?
Tachypnea
In metabolic alkalosis, the compensation is ________ ?
Bradypnea
Overdrive Mechanism during Exercise and For For Inspiration and Expiration
VRG
ControIs Basic Rhythm and For NormaI Inspiration
DRG
Found in Iower pons, For Iong inspiration gasp, proIongs AP in phrenic Nerve
Apneustic Center
Found in upper pons, inc RR, Iimits AP in phrenic Nerve
Pneumotaxic Center
Increase Affinity, Decrease P50 A Shift to the Right B Shift to the Ieft C Both D No Answer
B Shift to the Ieft
Increase P50, Decrease Affinity A Shift to the Right B Shift to the Ieft C Both D No Answer
A Shift to the Right