Answer the following statements true (T) or false (F)
1) Changes in the diameter of peripheral vessels to regulate blood pressure are caused by the pupillary reflexes.
2) A sudden decline in blood pressure in the carotid artery will trigger the vasomotor reflexes.
3) Irritation of the lining of the respiratory tract will trigger the vomiting reflex.
4) A low light level reaching the visual receptors will trigger the pupillary reflex.
5) A bright light shining in one or both eyes will trigger the consensual light reflex.
1) FALSE
2) FALSE
3) FALSE
4) TRUE
5) TRUE
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Blood is comprised of cellular elements and an extracellular matrix comprised primarily of water. What is the name of the blood's extracellular matrix?
a. hematocrit b. fibrinogen c. buffy coat d. plasma e. none of these
Someone with a heart block would have
A. a long P-R interval. B. a long T-P interval. C. a short P-R interval. D. a short T-P interval.
Each lung consists of a number of segments called
A. alveolar segments. B. bronchopulmonary segments. C. mesothelial segments. D. pleural segments. E. systemic segments.
Which cranial nerve innervates the sternocleidomastoid and trapezius?
A. Accessory B. Facial C. Vagus D. Trigeminal E. Abducens