Tutor profile: Alexandra C.
The healthcare provider is performing an assessment on a patient who is taking propranolol (Inderal) for supraventricular tachycardia. Which assessment finding is an indication the patient is experiencing an adverse effect of this drug?
What is the spontaneous generation hypothesis?
The spontaneous generation hypothesis claims that life on earth comes from non-living materials. Louis Pasteur famous experiment with swan-neck flasks showed this claim was untrue. Pasteur demonstrated that when he boiled broth in swan-neck flasks (so that something could not easily enter the broth) were not contaminated whereas boiled broth in open flasks were contaminated in a few days. This proved that microorganisms do not appear as a result of spontaneous generation but from when something is introduced.
What happens during muscle contraction?
During muscle contraction, the thin filaments slide past the thick filaments, shortening the sacromere.
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