The parasympathetic tone ________
A) causes blood pressure to rise
B) prevents unnecessary heart deceleration
C) accelerates activity of the digestive tract
D) determines normal activity of the urinary tract
D
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A 3-month-old infant has a recurrent runny nose and a cough. Which of the following best describes the cause of this finding?
a. Chromosomal abnormality b. Failure to thrive c. Immune deficiency d. Normal decline in maternal antibodies
With a respiratory rate of 12 breaths per minute and a tidal volume of 500mL, what would the minute ventilation be?
A. 500 mL per minute B. 41.6 mL per minute C. 600 mL per minute D. 60 liters per minute E. 6 liters per minute
What is the function of the pharyngotympanic tube?
A. To drain endolymph into the pharynx B. To transmit sound waves to the spiral organ C. To equalize the pressure on both sides of the eardrum D. To drain perilymph into the pharynx E. To transmit sound waves to the tympanic membrane
Which statement is false about sebaceous glands?
a. They release their secretion onto a hair follicle. b. They release their product by apocrine secretion. c. They are located in the dermis. d. The product they secrete acts as a lubricant and waterproofer.