The gray communicating ramus carries which of the following?
A. Unmyelinated postganglionic fibers to a spinal nerve
B. Myelinated postganglionic fibers to a spinal nerve
C. Postganglionic fibers to supply structures of the thorax
D. Myelinated preganglionic fibers to a spinal nerve
E. Myelinated preganglionic fibers to the sympathetic chain
Answer: A
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What are epidermal derivatives?
A) Epidermal derivatives are pigment molecules produced by the epidermis, including carotene and melanin. B) Epidermal derivatives are the different cell types found in the epidermis, including epithelial cells and melanocytes. C) Epidermal derivatives are chemicals produced by the epidermis, such as heparin and prostaglandins. D) Epidermal derivatives are secretions produced by the epidermis, including sweat and sebum. E) Epidermal derivatives are accessory structures that originate from the epidermis during embryonic development, including hair follicles, sebaceous and sweat glands, and nails.
The flexor carpi muscles will flex the
A. ankle. B. elbow and fingers. C. wrist and hand. D. ankle and toes. E. fingers.
The tissue that serves as the body's primary energy reservoir is ________ tissue.
Fill in the blank(s) with the appropriate word(s).
If someone begins to hyperventilate due to anxiety, the CO2 concentration in their blood decreases; this causes __________ in blood pH
A. an increase B. a decrease C. no change