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Published 01/14/2024 If the partial pressure of a particular gas in chamber A is 35 mm Hg and in chamber B is 85, which of the following is correct?A. A net partial pressu…
Published 01/14/2024 (MMCQ) Which of the following manifestations are commonly seen in patients with sleep apnea?A. Excessive daytime drowsinessB. Decreased bloo…
Published 01/14/2024 Which of the following is true regarding factors that determine the partial pressure of gases?A. The concentration of gas is inversely related to its …
Published 01/14/2024 Difficulty of breathing while on the supine position is calledA. OrthopneaB. Apneusis C. Dyspnea D. Platypnea
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…
Published 01/14/2024 The composition of air that is expired first isA. Alveolar And Dead Space AirB. Alveolar Air C. Dead Space AirD. Atmospheric Air
Published 01/14/2024 (MMCQ) Conditions that favor hemoglobin to release oxygen to the muscles during exercise include the following:A. a decrease in hydrogen ionsB. i…
Published 01/14/2024 (MMCQ) Which of the following statements is/are true?A. Alveolar air is replaced slowly by atmospheric air.B. Multiple breaths are&nbsp…
Published 01/14/2024 Activation of the pneumotaxic center will result to increasedA. Breath-Holding Time B. Depth Of Inspiration C. Duration Of Inspiration D. Respiratory …
Published 01/14/2024 Which of these neurons provides powerful expiratory signals to the abdominal muscles during forceful expiration?A. Dorsal Respiratory GroupB. Pneumota…
Published 01/14/2024  What is the volume of alveolar air that is renewed by the atmospheric air with each inspiration?A. 500 mlB. 150 ml C. 250 mlD. 350 ml
Published 01/14/2024 What part of the respiratory unit is marked “B”?
Published 01/14/2024 (MMCQ) Which of these factors may cause depression of the respiratory center?A. Hypertonic solutionsB. AnesthesiaC. Brain edemaD. Hypercapnia
Published 01/14/2024 Recent studies have shown that the main neurotransmitter released by glomus cells during hypoxemia is:A. Adenosine triphosphateB. Norepineph…
Published 01/14/2024 (MMCQ) Which of these receptors, when stimulated, can cause hyperpnea?A. Baroreceptors B. Nociceptors C. Muscle Spindle d. J receptors
Published 01/14/2024 The following is seen in patients with emphysema:A. Ventilation/Perfusion equal to zeroB. Physiologic shunting C. Physiologic dead space
Published 01/14/2024 In which of the following conditions will there be an increased dissociation of oxygen and hemoglobin?A. A patient with severe diarrhea with…
Published 01/14/2024 The peripheral chemoreceptors are most sensitive to changes in bloodA. O2B. CO2 C. HCO3 D. pH
Published 01/14/2024 (MMCQ) Which of the following is true regarding the factors that control the concentration and partial pressure of oxygen in the alveoli?A. The a…
Published 01/14/2024 Stimulation of stretch receptors in the lung will produce the sigh response as an effect of theA. Sneeze ReflexB. Paradoxic Reflex of HeadC.…
Published 01/14/2024 The basic rhythm of respiration is generated by the nucleusA. Tractus Solitarius B.Ambiguus C.Parabrachialis D.Retroambiguus
Published 01/14/2024 Hyperpnea is different from hyperventilation because in hyperpnea..A. the changes occur as a result of metabolic alkalosisB. the changes occur to meet…
Published 01/14/2024 Which of these responses is common to both the arterial chemoreceptor and the arterial baroreceptor reflexes?A. BronchodilationB. Hyperpnea C. Bradyca…
Published 01/14/2024  Which of these reflexes ensures that the lungs do not over distend?A.Paradoxic Reflex Of Head B.Hering-Breuer Deflation Reflex C.Hering-Breuer I…
Published 01/14/2024 (MMCQ) Which of these immediately happens when a person washes his face?A.BradycardiaB.Apnea C.Vasodilation D.Bronchoconstriction
Published 01/14/2024 Which of the following occurs when the muscles and tendons are excessively stretched?A.Apnea B.SighC.Hyperpnea D.Bradypnea
Published 01/14/2024 Which of the following is true regarding solubility coefficient of gases?A. influences the diffusion coefficient of gases.B. Nitrogen is more sol…
Published 01/14/2024 (MMCQ) Which of the following is true regarding diffusion of oxygen and carbon dioxide?A. Oxygen is always being used by the tissues th…
Published 01/14/2024 What is the part marked by “A” in the figure given?
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