The energy currency of the cell is a molecule called ________.
A. fat
B. glucose
C. ADP
D. pyruvate
E. ATP
Answer: E
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The blood supply to the skin arises from a network of blood vessels called the ________ plexus in the hypodermis, at its border with the reticular layer of the dermis.
A) cervical B) mesenteric C) brachial D) celiac E) cutaneous
Answer the following statements true (T) or false (F)
1. General sense organs are characterized by large complex organs or localized groupings of specialized receptors. 2. One of the main functions of a sense organ is to change a physical stimulus into an electrical signal. 3. General sense organs are found throughout the body but are most concentrated in the internal organs. 4. Specialized receptors found near the point of junction between tendons and muscles are called mechanoreceptors. 5. Muscle spindles can be classified as proprioceptors.
Which of the following receptors are rapidly adapting?
a. proprioceptors b. nociceptors c. Pacinian corpuscles d. muscle receptors e. All of the above
An increase in blood pressure would:
A. stimulate parasympathetic input to the piloerector muscles of the skin B. inhibit parasympathetic input to the piloerector muscles of the skin C. stimulate parasympathetic input to the heart D. stimulate sympathetic input to arterioles in the skin and muscle E. stimulate sympathetic input to the veins