Atropine causes the pupil of the eye to dilate by blocking the effect of muscarinic receptors. This means atropine is a(n)
A. ganglionic blocking agent.
B. beta-adrenergic blocking agent.
C. alpha-adrenergic blocking agent.
D. parasympathetic blocking agent.
E. parasympathomimetic agents.
D
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Describe the pathway by which sound waves are conducted in the outer, middle, and inner ear, and also how sound is transduced into neural stimuli. Include the following in your answer : cochlea, scala tympani, scala vestibule, scala media, organ of Corti, tympanic membrane, helicotrema, ear ossicles, oval window, round window, hair cells, and cochlear nerve
What will be an ideal response?
Which cranial nerve detects smell?
A) trochlear nerve (IV) B) olfactory nerve (I) C) oculomotor nerve (III) D) optic nerve (II)
What do semilunar valves prevent?
A) Semilunar valves prevent the flow of blood into the ventricles during atrial contraction. B) Semilunar valves prevent backflow of blood into the atria. C) Semilunar valves prevent backflow of blood into the ventricles. D) Semilunar valves prevent backflow of blood into the veins. E) Semilunar valves prevent backflow of blood into the coronary vasculature.
Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?
A. Quadratus lumborum B. Serratus anterior C. Latissimus dorsi D. Multifidus E. External intercostals