Why is the dermis richly innervated?
A. Sensory reception
B. Control of blood flow
C. Control of glandular secretion
D. All of the choices are correct.
E. None of the choices is correct.
Answer: D
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Which of the following is true about paranasal sinuses?
A) Paranasal sinuses open into the oral cavity. B) Paranasal sinuses enhance the resonance of the voice and lighten the skull. C) Paranasal sinuses contain passages acting as one-way valves. D) Paranasal sinuses are found in maxillary, ethmoid, and lacrimal bones.
Which muscle attaches to the manubrium and the thyroid cartilage, and aids in singing low notes?
A. Omohyoid B. Sternothyroid C. Thyrohyoid D. Lateral pterygoid E. Stylohyoid
Which of the following neurons is most likely to be adrenergic?
A. preganglionic sympathetic B. preganglionic parasympathetic C. postganglionic sympathetic D. postganglionic parasympathetic E. postganglionic somatic motor
Which of the following is not a function of epithelial tissue?
A. It resists abrasion. B. It absorbs substances. C. It prevents the intrusion of microbes. D. It stores energy. E. It produces specialized secretions.