Sympathetic vasoconstriction of the afferent arterioles and a resultant fall in the GFR occur as part of the baroreceptor reflex response when the blood pressure is too low
Indicate whether the statement is true or false
T
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Spongy bone is made up of a network of bony spines called
A) lamellae. B) perforating canals. C) trabeculae. D) osteons. E) canaliculi.
In fever production,
a. endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point." b. cold response mechanisms are initiated by the hypothalamus to raise the body temperature to the new set point. c. heat loss mechanisms are triggered to eliminate the excess heat from the body. d. both (a) and (b) above. e. both (a) and (c) above.
The digestive juice that contains enzymes capable of digesting all major food groups is ________.
A. pancreatic juice B. gastric juice C. hepatic juice D. biliary juice E. salivary juice
The ________ lacks blood vessels and must be nourished by materials diffusing from blood vessels in the ________.
A. hypodermis; dermis B. dermis; subcutaneous tissue C. epidermis; subcutaneous tissue D. epidermis; dermis