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Anettt [7]
3 years ago
10

The pharmacological effects of quinidine include the following EXCEPT:

Medicine
1 answer:
Helen [10]3 years ago
7 0

Answer:

The correct answer will be option D- blocking Cl channel.

Explanation:'

Quinidine is a stereoisomer of quinine derived from the bark of Cinchona plants which is used in the medication of the heart as class I antiarrhythmic agent. This alkaloid decreases the automaticity and increases the duration of the cellular action potential of the heart.

This alkaloid acts by blocking the neurotransmission through blocking of sodium and potassium channels responsible for the depolarization in non-nodal tissues like atrial cells, ventricular cells. This decrease in the neurotransmission of an action potential depends on the Ca⁺² ions and the quinidine can also act by blocking the Ca⁺²  channels as well as B adrenergic receptor.

Thus, option D-blocking Cl channel is the correct answer.

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Answer:

Drug-drug interactions (DDIs) are one of the commonest causes of medication error in developed countries, particularly in the elderly due to poly-therapy, with a prevalence of 20-40%. In particular, poly-therapy increases the complexity of therapeutic management and thereby the risk of clinically important DDIs, which can both induce the development of adverse drug reactions or reduce the clinical efficacy. DDIs can be classify into two main groups: pharmacokinetic and pharmacodynamic. In this review, using Medline, PubMed, Embase, Cochrane library and Reference lists we searched articles published until June 30 2012, and we described the mechanism of pharmacokinetic DDIs focusing the interest on their clinical implications.

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3 years ago
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3 years ago
Lisa heard celery has negative calories. The Internet article she read said it takes more calories to digest, absorb, and use th
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Answer:

Celery has negative calories because it provides fewer calories than what is needed to chew, digest and absorb the nutrients.

Explanation:

Celery is considered as negative calories food because it is very low in calories. When a person wants to loose weight celery is a go to meal. It provides less calories to a person than he looses to consume it. When a person chews, and digests the celery his calories are loosed.

8 0
3 years ago
F the plankton contain 100,000 kcal of energy, about how much energy will the manta ray obtain from eating the starfish? 10 kcal
AveGali [126]

Answer:

100kcal

Explanation:

The law in energy transfer in the food chain is that only 10% of total energy is transferred.

The food chain between the plankton and starfish follows;

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Manta Ray being the final consumer of starfish gets 10% of 1,000kcal = 100kcal

5 0
3 years ago
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A hypertonic saline solution to pull water out of her cells

Explanation:

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2 years ago
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