A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood. According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses?
A. An increase in physical activity
B. An increase in the respiratory rate
C. A decrease in heart rate
D. Unconsciousness
E. Both a decrease in heart rate and an increase in the respiratory rate will occur.
Answer: B
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Glycogen stored in the liver and muscles of an adult provides enough reserve energy to meet energy demands for about 12 hours.
Answer the following statement true (T) or false (F)
The infancy stage of life is considered to be over at
A) 3 months B) age 2. C) 6 months. D) 1 month. E) 18 months.
The process of discharging particles from inside a cell to the outside is called ________.
Fill in the blank(s) with the appropriate word(s).
What type of cutaneous receptor would be the first to respond to a touch that barely contacts the skin of the forearm?
A. Ruffini ending B. Meissner corpuscle C. Root hair plexus D. Pacinian corpusle