Identify the true statement about lsd (lysergic acid diethylamide).
1) it acts predominantly on the neurotransmitter dopamine and has little effect on the serotonin levels.
2) it induces images that are sometimes pleasurable and sometimes grotesque.
3) it is the most powerful type of depressant.
4) it can produce striking perceptual changes only when taken in high doses.

Sensory adaptation of cutaneous temperature receptors some types of sensory receptors, like pain receptors, will continue to transduce pain until the stimulus is removed. other sensory receptors may respond with an initial burst in production of action potentials, but will “adapt” and over time action potentials will cease. sensory adaptation occurs, for example, with olfactory receptors for smell. procedure have the subject place one hand in an ice bath while simultaneously placing the other hand in a warm water bath (@40oc). the subject should keep their hands in the designated baths for two minutes. after two minutes, remove both hands and place both hands in a room temperature water bath. record your observations review questions 1. describe how each hand felt after taking them out of the designated water baths and placing them into the room temperature water bath. 2. define sensory adaptation and relate it to what happened to the temperature receptors in the subject’s hands. 3. list and describe sensory receptors that adapt, and sensory receptors that do not.

Which of these elements of fitness should be included as part of any personal health plan? a. weight management, strength, endurance, and nutritionb. weight loss, calorie reduction, endurance, and strengthc. weight management, physical inactivity, and endurance trainingd. weight loss, strength training, endurance, and sleep reduction

Jen is reviewing information about a new treatment for arthritis pain that she saw on an informational website. most of the information is testimonials from satisfied users. which best indicates that this information is unreliable? it is not paid for by product sponsors. it is on a website that is not run by professionals. its claims are based mostly on anecdotal evidence. its claims are not supported by the provided information.