Chapter 9.1-9.4 Flashcards
Sensory afferent fibers from the taste buds synapse within a nucleus located within which of the following structures?
Medulla oblongata
What cells are highly modified neurons for the sense of smell?
Olfactory receptor cells
Which of the following provides us with the sense of smell?
Olfactory organs
In which of the following sites are free nerve endings sensitive to touch and pressure located?
Between epidermal cells
The branching tips of the dendrites of sensory neurons that respond to touch and pressure are called
free nerve endings
The the receptive field, the is the ability to locate a stimulus
larger; poorer
Very strong stimuli, such as dissolved chemicals released by injured cells, may excite which of the following receptor types
Nociceptors
Sensory output from _______ receptors helps regulate blood volume
water
Which of the following tastes is described as corresponding to the taste of beef broth, chicken broth, and Parmesan cheese
Umami
Touch receptors on which of the following areas have the smallest receptive fields
Tongue
Which of the following taste sensitivities has survival value because it is a characteristic of many biological toxins
Bitter
Which tactile receptors, sensitive to fine touch and pressure and low-frequency vibration, are abundant in the eyelids, lips, fingertips, nipples, and external genitalia?
Tactile (or Meissner) corpuscles
Axons leaving the olfactory bulb travel along the olfactory tract to reach which of the following locations?
Hypothalamus and limbic system
The combination of gustation and ___________ is what provides the flavor, or distinctive quality of a particular food or drink.
Olfaction
Which of the following types of receptors in the digestive and urinary tracts trigger various visceral reflexes?
Baroreceptors