Select the correct statement about olfaction
A) Olfactory receptors have a high degree of specificity toward a single type of chemical.
B) Substances must be volatile and hydrophobic in order to activate olfactory receptors.
C) Some of the sensation of olfaction is actually one of pain.
D) Olfactory adaptation is only due to fading of receptor cell response.
C
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The basic structure of the knee joint permits flexion and extension.
Answer the following statement true (T) or false (F)
The primary stimulus for release of adrenal medullary hormones comes from
A. the kidneys. B. aldosterone. C. the anterior pituitary. D. the parasympathetic nervous system. E. the sympathetic nervous system.
When looking at a cross-sectional image the top of the image is the ________ of the patient.
A) lateral B) anterior C) inferior D) posterior E) superior
The cells that perform immunological surveillance are the ________ cells
A) NK B) plasma C) B D) helper T E) suppressor T