Which of the following is not a property of reflexes?
A. Reflexes do not require a stimulus.
B. Reflexes are quick responses of the nervous system.
C. Reflex responses are very predictable.
D. Reflexes are responses to sensory inputs.
E. Reflexes are not voluntary.
Answer: A
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Which of the following is true regarding the parasympathetic innervation of the heart
a. it lowers heart rate below 100 beats per minute b. it innervates the ventricles c. it performs a similar action as the symp nervous system d. it decreases the force of contraction of the heart
Which of the following is incorrect (or least likely) pertaining to adenoiditis?
A) It refers to inflammation of the pharyngeal tonsil. B) It may involve obstruction of the choanae. C) It may be associated with impairment in hearing. D) It may be associated with an orbital infection. E) It may be associated with otitis media.
Which statement is false regarding the symptoms of Addison's disease?
A. Addison's disease will cause a decrease in DHEA which will affect a male's ability to develop male sex characteristics. B. Addison's disease will cause a decrease in cortisol which will result in a decreased ability to deal with inflammation and injury. C. Addison's disease will cause a decrease in aldosterone production which will result in a decreased ability to control blood pressure and blood volume. D. Addison's disease will cause a decrease in cortisol which will result in a decreased ability to use fat and protein as fuel.
Melanocyte cytoplasmic processes transfer pigment granules into stratum basale keratinocytes; these pigment granules shield the nuclear DNA from UV radiation
Indicate whether this statement is true or false.