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Which method are for administering drugs by parenteral routes? (Select all that apply.)

A.

Subcutaneous

B.

Intramuscular

C.

Via a nasogastric tube

D.

Intradermal

E.

Intravenous

Answer and Explanation

Correct Answer : A,B,D,E

A) Subcutaneous:
The subcutaneous route involves administering medication into the layer of fat and connective tissue beneath the skin. This method is used for drugs that require slower absorption, such as insulin or certain vaccines.

 

B) Intramuscular:
The intramuscular route involves injecting medication directly into a muscle. This allows for faster absorption compared to subcutaneous injections, making it ideal for drugs that need to be absorbed quickly, such as vaccines or certain antibiotics.

 

C) Via a nasogastric tube:
Administering drugs via a nasogastric tube is not considered a parenteral route. The nasogastric (NG) tube delivers medications directly into the stomach via the gastrointestinal tract, which is not part of the parenteral system. Parenteral routes are those that bypass the digestive system, like injections.

 

D) Intradermal:
The intradermal route involves injecting medication just under the skin, in the dermis. This is typically used for allergy testing or tuberculosis screenings. It is a parenteral route because it bypasses the digestive system.

 

E) Intravenous:
The intravenous route involves injecting medication directly into a vein, offering rapid absorption and fast onset of action. This method is ideal for critical or emergency situations where immediate medication effects are necessary.


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Related Questions

Correct Answer is B

Explanation

A) Drug Enforcement Administration (DEA)
The DEA is primarily responsible for enforcing the controlled substances laws and regulations, including monitoring the manufacturing and distribution of drugs that are classified as controlled substances. While the DEA plays an important role in regulating drugs, particularly those that have a high potential for abuse, it is not the primary authority on drug standards or approval processes.

B) Food and Drug Administration (FDA)
The FDA is the primary authority responsible for drug standards in the United States. The FDA regulates the safety, efficacy, and quality of pharmaceutical drugs, vaccines, biologics, and medical devices. It is responsible for approving new medications, ensuring they meet rigorous standards for safety and effectiveness before they are made available to the public. The FDA also monitors drugs after they are approved, requiring post-market surveillance and, if necessary, issuing recalls or safety warnings.

C) Centers for Disease Control and Prevention (CDC)
The CDC is focused on public health and disease prevention rather than the regulation of drugs. The CDC plays an important role in providing guidelines for the treatment and prevention of diseases, offering recommendations for vaccination schedules, and conducting epidemiological research.

D) National Institutes of Health (NIH)
The NIH is a leading medical research organization that conducts and funds biomedical research. While the NIH plays a crucial role in advancing scientific knowledge and supporting the development of new treatments, it does not have the authority to regulate or set standards for drugs.

Correct Answer is D

Explanation

1. Convert patient weight from pounds to kilograms:

Patient weight (kg) = 152 lb x 0.453592 kg/lb = 68.94 kg

2. Calculate the desired dose in mcg/min:

Desired dose (mcg/min) = 5 mcg/kg/min x 68.94 kg = 344.7 mcg/min

3. Convert mcg/min to mg/min:

Desired dose (mg/min) = 344.7 mcg/min / 1000 mcg/mg = 0.3447 mg/min

4. Calculate the concentration of dobutamine in the solution:

Concentration (mg/mL) = 500 mg / 250 mL = 2 mg/mL

5. Calculate the flow rate in mL/min:

Flow rate (mL/min) = Desired dose (mg/min) / Concentration (mg/mL)

Flow rate (mL/min) = 0.3447 mg/min / 2 mg/mL = 0.17235 mL/min

6. Calculate the flow rate in mL/hr:

Flow rate (mL/hr) = 0.17235 mL/min x 60 min/hr = 10.341 mL/hr

7. Round to the nearest tenth:

Flow rate (mL/hr) = 10.3 mL/hr

Therefore, the correct answer is 10.4 mL/hr

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