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Physiology Set 2

QuestionAnswer
a membrane that has a membrane potential is said to be a. oxidized b. energized c. polarized d. depolarized c
Which part of the neuron receives incoming signals A. Axon B. Dendrites C. Myelin D. Synaptic cleft b
Which division of the autonomic nervous system is responsible for the fight-or-flight response A. Parasympathetic B. Somatic C. Sympathetic D. Enteric c
During ventricular systole, which event occurs immediately after the AV valves close A Ventricles fill with blood B Semilunar valves open C. Atrial pressure exceeds ventricular pressure D. Ventricles undergo isovolumetric contraction d
Which electrical event directly triggers ventricular contraction A. SA node depolarization B. Atrial repolarization C. Purkinje fiber depolarization D. AV node delay c
Which cells are primarily responsible for producing antibodies A. T helper cells B. Plasma cells C. Natural killer cells D. Macrophages b
Which structure filters lymph and traps pathogens A. Spleen B. Lymph node C. Thymus D. Bone marrow b
Which process describes the movement of oxygen from the alveoli into the blood A. Ventilation B. Pulmonary perfusion C. External respiration D. Cellular respiration c
During inhalation, which muscles primarily contract to expand the thoracic cavity A. Internal intercostals and diaphragm B. External intercostals and diaphragm C. Sternocleidomastoid and rectus abdominis D. External obliques and internal intercostals b
Which enzyme is responsible for breaking down proteins in the stomach` A. Amylase B. Lipase C. Pepsin D. Lactase c
Created by: user-1988578
 

 



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