Which of the following is a molecule that binds to a receptor?
A) acetylcholine
B) tropomyosin
C) acetylcholinesterase
D) all of the above
Answer: A) acetylcholine
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The projections on the superior surface of the tongue, some of which house taste buds, are the
A. tonsils. B. cilia. C. rugae. D. glossal spines. E. papillae.
Moving a part of the body away from the midline of the body is called:
a. adduction b. abduction c. rotation d. pronation
Which of the following is not associated with an increase in stroke volume?
a. increased end-diastolic volume b. increased contractility of the heart c. increased end-systolic volume d. increased preload e. increased venous return
What is true about the two-point threshold test?
A) The area of the greatest density of touch receptors has the least ability to detect touch. B) The location where the subject detects two points at their smallest distance apart contains the least density of touch receptors, and the area of the greatest density of touch receptors has the least ability to detect touch. C) The location where the subject detects two points at their smallest distance apart contains the least density of touch receptors. D) The location where the subject detects two points at their smallest distance apart contains the greatest density of touch receptors.