Referring to the figure below, which letter (s) indicate (s) the site (s O a. A+B O b. Only B O c. Only C O d. Only A Oe. Only D Acetylcholine D Bronchodilation Bronchial tone Bronchoconstriction AC CAMP PDE Adenosine Mast Call Medi
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- Striated mucle The neurotransmitter released by the motor neuron and responsible for electrically exciting the muscle fiber is, rd-Caicum-cu 21. A. Dopamine B. Epinephrine C. Dystrophinemuscle protoln that esser D. Acetylcholineand extracelluler matr the thin-filamensto the ce scie protein that plays knownmeJonabel has started clopidogrel (Plavix) after experiencing a transient ischemic attack (TIA). What is the desired therapeutic effect of this drug?a. Anti-inflammatory and antipyretic effectsb. To reduce the risk of a stroke from a blood clotc. Analgesic as well as clot-dissolving effectsd. To stop clots from becoming emboliWhy letter b is the right answer and why the remaining letters are not correctWhich of the following peptides acts as the bodys endogenous analgesic? Choices A.Tyr-Glu-Glu-Phe-Leu B.Tyr-Gly—Gly-Phe-Met C.Glu-Cys-Gly D.Gly-Cys-Glu
- Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the facial nerve using some simple tests. The facial nerve controls the muscles of facial expression. Severe deficits will be obvious in watching someone use those muscles for normal control. One side of the face might not move like the other side. But directed tests, especially for contraction against resistance, require a formal testing of the muscles. The muscles of the upper and lower face need to be tested. The strength test in this video involves the patient squeezing her eyes shut and the examiner trying to pry her eyes open. Why does the examiner ask her to try a second time?Which of the following plays a critical role in all types of addiction? A. Choroid Plexus B. Cingulate Gyrus C. Fornix D. Nucleus Accumbens Septi E. Thalamus Select one: O A ов O C O E Which cranial nerve arises from the posterior aspect of the brain? A. Abducens B. Facial C. Hypoglossal D. Trochlear E. Vagus Select one: O A о в ос ОЕWhich of the statements about neurotransmitters given below is incorrect? О а. Orexin-producing cells in the locus querulous of the pons activate many different areas of the brain including the cerebral cortex, hippocampus, thalamus, cerebellum, and the pons and medulla as well. b. Blocking acetylcholine appears to reduce arousal levels, while procedures designed to increase acetylcholine production increase signs of arousal. Acetylcholine increases the general arousal of the cortex O C. Research has shown that Seratonin cells are most active during waking and decrease during sleep. In addition, serotonin seems to facilitate automatic behaviors such as chewing, pacing, or grooming.
- Which drug is afull agonist at opioid receptors with analgesics activitiy equivalent to morphine, a linger duration of action and fewer with drawal sign on abrupt discontinuance than morphine?? 1-fentanyl 2-methadone 3- NalbuphineThe discovery of endogenous ligands that act on barbiturate binding sites and the ability to modulate these signals would benefit individua OA. Suffer from personality disorders O B. Suffer from seizures or increased neuronal activity OC. Suffer from decreased muscle tone O D. Suffer from memory loss1%Y l. . " C O 1::YV A docs.google.com/forms/d/e c. Size of Fibers Stimulated d. Frequency of Stimulation e. Degree of Muscle Stretch Norepinephrine affect on smooth muscle * :and causes a. membrane potential becomes larger O b. increase tone c. Decrease tone d. increase intracellular calcium ion e. the spikes become more frequent f. a and c RBC are exposed to a series of saline (NaCI) .solutions with decreasing dilution True False In sustained contraction muscle runs out of
- Shown are different derivatives of acetylcholine. A H2N H2N D 1. Which one is expected to lose its ability to bind to the receptor but could elicit CNS side effects? Explain. 2. Which is/are expected to resist metabolism by choline esterase? 3. Which one is not expected to bind and yet prone to metabolism? Explain ZIRemoval of adrenergic neurons in the brain with a neurotoxin impairs hippocampal LTP. a. true b. falseT013611&page=1&idWebuser=4348570&idSection-D15554328self- The sleep stage at which muscles begin to contract and relax is A. stage 1 B. stage 2 C. stage 3 D. stage 4 History A- The Gilded Age acer
