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Phys Week 14
Week 14, Second term physiology final week 7-13
Question | Answer |
---|---|
The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |
Acetylcholine is in the same class of neurotransmitters as: | none of the above.: serotonin. histamine. dopamine. |
Which of the following is a correct statement? | There are 5 lumbar nerve pairs. |
Which of the following is not associated with the oculomotor nerve? | Closing and opening of the eye (blink reflex) |
Which of the following statements is not true of the pineal gland? | Melatonin is stimulated by the presence of sunlight. |
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. |
The mechanisms of which three hormones work together to regulate blood volume? | aldosterone, ANH, and ADH |
_____, a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels. | Heparin |
Chemotaxis is the process by which a cell navigates toward the source of the chemotactic factor by way of | detecting and then moving toward higher concentrations of the factor. |
The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form | effector T cells and memory cells. |
Which of the following constitutes total lung volume? | Residual volume and vital capacity |
Which of the following helps determine the amount of oxygen that diffuses into the blood each minute? | All of the above help determine the amount of oxygen that diffuses into the blood each minute |
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | vasoactive intestinal peptide. |
The purpose of peristalsis is to: | propel food forward along the GI tract. |