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Physiology Week 7-13
Question | Answer |
---|---|
Compared with the outside of the neuron, the inside has a(n) ____ charge. | negative |
For a neurotransmitter to produce an inhibitory postsynaptic potential, which of the following channels must open? | Potassium and/or chloride channels |
Which is the only plexus that contains fibers from the thoracic region of the spinal cord? | Brachial |
The preganglionic neurons of both the sympathetic and the parasympathetic divisions are cholinergic. | True |
The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: | malleus, incus, and stapes. |
In comparison with the nervous system, the regulatory effects of the endocrine system are: | slow to appear but long-lasting |
Factors that affect the strength of myocardial contraction are called | inotropic factors. |
The term blood type refers to the type of blood cell | antigen |
Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture. | directly related to the concentration of that gas in the mixture and |
The major form by which carbon dioxide is transported in the circulatory system is: | as bicarbonate ions |
The primary organ of the lymphatic system is the | thymus |
During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
About 98.5% of the oxygen carried by systemic arterial blood is attached to: | hemoglobin |
Excessive fluid in the pleural cavity would be most likely to cause: | decreased vital capacity |
Polysaccharides are hydrolyzed into disaccharides by enzymes known as: | amylase |
When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. | hydrolyzing |