The nurse recognizes that which statement correctly characterizes drug absorption?
Drugs given subcutaneously are absorbed more quickly than those given intramuscularly.
Most drugs must enter the systemic circulation to have a therapeutic effect.
Most oral medications are absorbed more quickly when administered with meals.
Mucous membranes are relatively impermeable to chemicals, making absorption slow.
The Correct Answer is B
B. Drug absorption refers to the process by which a drug moves from its site of administration into the bloodstream. Once absorbed into the bloodstream (systemic circulation), drugs can distribute to various tissues and exert their therapeutic effects.
A. Different routes of drug administration affect the rate and extent of absorption. Subcutaneous injections are generally absorbed more quickly than intramuscular injections due to differences in blood flow and tissue characteristics.
C. The effect of meals on drug absorption varies depending on the specific medication. Some drugs are absorbed faster on an empty stomach, while others may be absorbed better with food.
D. Mucous membranes, contrary to the statement, are relatively permeable to drugs, allowing for rapid absorption when medications are administered via buccal, sublingual, rectal, or vaginal routes.
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Related Questions
Correct Answer is D
Explanation
D. These effects are not the primary intended outcomes of the medication, but are known possible reactions that can occur in addition to the main therapeutic effect.
A. Synergistic effects refer to the combined action of two or more substances or medications that results in an effect greater than the sum of their individual effects.
B. Adverse effects are unintended and potentially harmful effects of a medication, even when the medication is used at therapeutic doses and in the correct manner.
C. Therapeutic effects are the desired and beneficial effects of a medication that contribute to treating or managing a medical condition. These effects are intended and typically guide the prescribing and administration of medications.
Correct Answer is A
Explanation
A. Restlessness and agitation in nonverbal clients can often be exacerbated by environmental factors such as noise, bright lights, or unfamiliar surroundings. By reducing environmental stimuli, such as dimming lights, minimizing noise, and providing a calm atmosphere, the nurse can help alleviate agitation and promote a more comfortable environment for the client.
B. Suctioning the oropharynx is not typically the first action unless there is a clear indication that airway obstruction or secretion management is contributing to the client's agitation. It is important to first assess whether there are signs of respiratory distress or airway compromise before performing suctioning.
C. Assessing pulse oximetry is important for monitoring oxygen saturation levels, especially if there are concerns about respiratory distress or inadequate oxygenation. However, it is not typically the first action when a client is restless and agitated unless there are specific indications or signs suggesting respiratory compromise.
D. Administering oxygen may be necessary if there are signs of hypoxia or respiratory distress contributing to the client's agitation. However, without assessing the client's oxygenation status first, administering oxygen as the initial action may not address the underlying cause of agitation.
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