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🧠 Bad Genius - 🧠 PHYSIOLOGY QUIZ 4: Control of Respiratory Function, Respiratory Reflexes [page 541]

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Published	01/14/2024	Which of the following is also called pandiculation? A. ApneaB. EupneaC. SighD. Yawn
Published	01/14/2024	Refers to the difficulty of breathing in the supine position: A. ApneaB. DyspneaC. GaspingD. Orthopnea
Published	01/14/2024	Hyperpnea is different from hyperventilation because in hyperpnea: A. There is an increase in rate of respirationB. There is an increase in depth of r…
Published	01/14/2024	The basic rhythm of respiration is generated by nucleus: A. AmbiguusB. ParabrachialisC. Tractus solitariusD. Retroambiguus
Published	01/14/2024	The pneumotaxic center is found in the nucleus: A. Ambiguus B. Parabrachialis C. Tractus Solitarius D. Retroambiguus
Published	01/14/2024	Which of the following structures provide powerful signals to abdominal muscles during heavy expiration? A. Apneustic centerB. Dorsal Respiratory Grou…
Published	01/14/2024	Which of the following brain centers controls breath-holding? A. Brainstem B. Cerebral CortexC. Hypothalamus D. Spinal Cord
Published	01/14/2024	Which of the following is considered a complex non-ventilatory behavior that is coordinated in the cerebral cortex?A. Breath-holdingB. ChewingC. Singi…
Published	01/14/2024	On a dark stormy night, Arthurita was practicing last minute for her recital. When she heard a thunder she shrieked she rushed to the next room where …
Published	01/14/2024	Peripheral chemoreceptors are most sensitive to change in blood: A. pHB. CO2C. HCO3D. O2
Published	01/14/2024	Which of these events occur in glomus cells as a result of hypoxemia? A. Acetylcholine releaseB. ATP hydrolysisC. Closure of Ca2+ channelsD. Opening o…
Published	01/14/2024	The central chemoreceptors are directly stimulated by? A. CSF CO2 B. Blood CO2 C. Intracellular H+D. Intracellular Ca2+
Published	01/14/2024	Which of the following neurotransmitters is considered as an important modulator in carotid body?A. Dopamine B. Epinephrine C. GABA D. Serotonin
Published	01/14/2024	Which of the following reflexes ensure that the lungs do not over-distend? A. Hering-Breuer Inflation ReflexB. Hering-Breuer Deflation Reflex C. Parad…
Published	01/14/2024	Which of the following responses occur when nocireceptors are stimulated? A. Bradycardia B. Bronchoconstriction C. Hyperventilation D. Vasoconstrictio…
Published	01/14/2024	Hyperpnea occurs as a response to the stimulation of which of the following set of receptors? A. Proprioreceptors and baroreceptors B. J receptors, mu…
Published	01/14/2024	Stimulation of stretch receptor in the lungs will produce a sigh response from what reflex? A. Hering-Breuer deflation reflex B. Hering-Breuer inflati…
Published	01/14/2024	Which of these is immediately the response after washing your face in water? A. Apnea B. Tachycardia C. Bronchoconstriction D. Vasodilation
Published	01/14/2024	Which of the following statements is true regarding both cough and sneeze reflex?A. Location of stimulus B. Location of receptors C. Bronchoconstricti…
Published	01/14/2024	Peripheral chemoreceptor reflex which may cause Apnea and Bronchoconstriction is activated by which receptors?A. J receptors B. Irritant receptors C. …
Published	01/14/2024	Using a wet spirometer to measure lung volumes, a subject: A. Inhales through the nose and exhales through the mouthB. Closes his nose with a cl…
Published	01/14/2024	During one physiology lab, Jun’s lung volumes were determined by the use of a wet spirometer. In one procedure, Jun exhaled normally and followed this…
Published	01/14/2024	The primary stimulus to the respiratory center is an increase in: A. pH B. CO2C. O2 D. HCO3
Published	01/14/2024	Which of the following expresses the shortest breath-holding time?A. At the end of quiet inspiration B. At the end of quiet expiration C. At the end o…
Published	01/14/2024	Vital capacity is a combination of which of the following lung volumes? A. TV + IRV B. TV + ERV C. IRV + ERV D. TV + IRV + ERV
Published	01/14/2024	Which of the following best describes the figure shown below?A. Net diffusion follows a concentration gradientB. Energy for diffusion is provided by t…
Published	01/14/2024	If the partial pressure of a particular gas in chamber A is 35mm Hg and in Chamber B 85mm Hg, which of the following is true?A. The gas diffuses from …
Published	01/14/2024	Which of the following factors is true to determine the partial pressure of gases? A. Concentration is inversely proportional to partial pressureB. Hi…
Published	01/14/2024	Which of the following is true regarding solubility coefficient of gases? A. Nitrogen is more soluble than oxygenB. Oxygen is 20x more soluble than ca…
Published	01/14/2024	What is the volume of alveolar air renewed by atmospheric air with each inspiration? A. 150 mLB. 250 mL C. 350 mLD. 500 mL
Published	01/14/2024	The compositions of air that is expired first is? A. Alveolar air B. Dead space airC. Atmospheric air D. Alveolar air and dead space air
Published	01/14/2024	Which of the following is true regarding the factors that control the concentration and partial pressure of oxygen and carbon dioxide in the alveoli?A…
Published	01/14/2024	In which of the following conditions is there decreased dissociation of hemoglobin and oxygen? A. A child with feverB. A pregnant womanC. A patient wi…
Published	01/14/2024	In the respiratory unit, which of the following is marked B? A. Alveolar duct B. Respiratory lobule C. Terminal bronchiole D. Respiratory bronchiole
Published	01/14/2024	Which of the following is marked by A in the figure? A. Basal lamina B. Surfactant layer C. Alveolar endothelium D. Basement membrane
Published	01/14/2024	In emphysema, which of these factors affect the rate of diffusion of gases across the respiratory membrane?A. Diminished surface areaB. Increased memb…
Published	01/14/2024	Which of the following is true of the diffusing capacity of oxygen and carbon dioxide? A. During exercise, diffusing capacity of oxygen increases five…
Published	01/14/2024	Responsible for dip in PO2 in systemic arterial blood: A. Loss of O2 molecules B. Only 98% of blood from lungs is oxygenated C. Some O2 molecules esca…
Published	01/14/2024	Which of the following shows the correct relationship between interstitial partial pressure, blood flow and metabolism?A. Increased blood flow - incre…
Published	01/14/2024	Which is true regarding diffusion of oxygen and carbon dioxide? A. CO2 diffuses exactly opposite to the diffusion of oxygenB. Oxygen is always being u…
Published	01/14/2024	Which represents physiological dead space?
Published	01/14/2024	Which represents physiological shunting?
Published	01/14/2024	Shows diffusion of O2 to the tissues:
Published	01/14/2024	Shows diffusion of CO2 to the tissues:
Published	01/14/2024	Shows diffusion of O2 to the lungs:
Published	01/14/2024	The slow replacement of alveolar air is of particular importance in preventing sudden changes in gas concentrations and tissue pH in blood when respir…
Published	01/14/2024	A high concentration of CO2 and hydrogen ions enhances the release of O2 to the tissues. This called the Haldane effect. When oxygen binds with hemogl…
Published	01/14/2024	The lower the rate of ventilation the faster it takes to renew air. When a person’s rate of alveolar ventilation is only one half normal, it takes 34 …
Published	01/14/2024	For hemoglobin to release oxygen in the tissues, the partial pressure of oxygen must fall to about 40 mmHg. Under normal conditions, hemoglobin sets a…
Published	01/14/2024	During exercise, O2 decreases in saturation. As it passes through pulmonary capillary, little O2 enters the blood. That is, the blood normally stays i…
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