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.

Answer and Explanation

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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Correct Answer is D

Explanation

D. A "thready" pulse is weak and difficult to palpate. It feels like a fine thread or string under the fingertips and suggests poor cardiac output or decreased peripheral perfusion. A thready pulse is palpable but weak, indicating inadequate stroke volume with each heartbeat.

A. Hypovolemic refers to a state of decreased blood volume, which can lead to a weak and rapid pulse due to reduced blood flow through the arteries. However, it does not specifically describe the quality of the pulse that is palpable.

B. Bradycardia refers to a slow heart rate, typically below 60 beats per minute in adults. A bradycardic pulse may be slow but can still be strong or weak depending on the underlying cause. It does not specifically describe the quality of a weak but palpable pulse.

C. "Deficient" is not a commonly used term to describe the quality of a pulse. It does not provide specific information about the palpable nature or strength of the pulse.

A. stop the antibiotics when my temperature becomes normal." B. have rice for one meal each day." C. eat a container of yogurt every day for a few days." D. drink eight glasses of water each day)

Correct Answer is C

Explanation

C. Yogurt contains probiotics, which are beneficial bacteria that can help restore and maintain a healthy balance of gut flora. Consuming yogurt with live cultures regularly is a recognized strategy to replenish beneficial bacteria in the gut, especially after a period of diarrhea or antibiotic use that may disrupt the normal gut microbiota.

A. This statement is related to the management of infection and antibiotic therapy, not specifically to reestablishing bowel flora. While stopping antibiotics appropriately is important for overall health and possibly reducing antibiotic-associated diarrhea, it does not directly address the replenishment of bowel flora.

B. Rice is often recommended during episodes of diarrhea to provide bland, easily digestible food. However, it does not actively contribute to reestablishing healthy bowel flora. It helps in managing symptoms but does not address the restoration of beneficial gut bacteria.

D. Hydration is essential during episodes of diarrhea to prevent dehydration. While adequate hydration supports overall health and can aid in recovery, it does not specifically address the restoration of bowel flora.

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The nurse recognizes that which statement correctly characterizes drug absorption?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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