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GraceAnne
Study Stack Set 2 Weeks 7-13
Question | Answer |
---|---|
The brief period during which a local area of an axon's membrane resists re-stimulation is called the ____________ period. | refractory |
Neurons are the only living cells that maintain a difference in the concentration of ions across their membrane. | False |
The parasympathetic divisions always act with a cooperative influence, and through summation of the impulses, the effect can be increased. | False |
Conduction by the sixth cranial nerve results in sensations of hearing. | False |
The production of thyroid hormone is stimulated by another hormone from the | anterior pituitary |
The major hormone produced by the corpus luteum is | progesterone |
If damaged, which valve could allow blood to leak back into the right atrium? | Tricuspid |
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava |
Lymphocytes that kill many types of tumor cells and cells infected by different kinds of virus are known as | natural killer cells |
The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is called | self-tolerance |
Which of the following helps determine the amount of oxygen that diffuses into the blood each minute? | The total functional surface are of the respiratory membrane, alveolar ventilation, the oxygen pressure gradient b/w alveolar air and incoming pulmonary blood. |
The PCO2 in the atmosphere is | less than in the alveolar air |
The substance absorbed into the lymph capillaries are | glycerol and fatty acids |
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ passively the GI lumen. | passively out of |
Hydrolysis refers to | using water to split larger compounds into smaller ones |