Which of the following statements about how we perceive odor is true?
A. Olfaction is coupled with gustation (taste).
B. Each olfactory cell has one type of receptor to detect multiple odors.
C. If there is a threshold stimulus at the trigger zone of the olfactory cell, an action potential is generated and passed to a synapse within the olfactory bulb of CN II.
D. The binding of an odor molecule initiates an action potential.
Answer: A
You might also like to view...
You are a physiologist on a space flight to a distant planet. You discover intelligent humanoid aliens inhabiting the planet, and they willingly submit to your tests. You discover that the alien's kidney handles the sugar alcohol mannitol just like our kidneys handle inulin. You also test the alien for its renal handling of glucose. The data from that experiment are: Plasma level (constant over
24 hrs): 6 g/dL of mannitol and 2 g/dL of glucose; 24 hr. urine sample: volume of 2 L, containing 144 g mannitol and 52 g glucose. A. What is the alien's glomerular filtration rate? B. What is the alien's clearance rate for glucose? C. How does the alien kidney handle glucose?
Identify the function of withdrawal reflexes.
a. Maintain constant length and tension of a muscle and thus maintain posture b. Protect muscles and tendons from damages caused by excessive tension c. Removes a body part from a painful stimulus
Immersion in water will lead to increased diuresis.
Answer the following statement true (T) or false (F)
What type of cell ingests bacteria?
A. granulation tissue B. neutrophil C. edema D. scar E. secondary union