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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

Given:

Ordered dose of amoxicillin: 30 mg/kg/day divided every 12 hours

Toddler's weight: 33 lbs

Concentration of amoxicillin suspension: 200 mg/5 mL

Step 1: Convert the toddler's weight from pounds to kilograms:

1 pound (lb) = 0.453592 kilograms (kg)

Weight in kg = 33 lbs x 0.453592 kg/lb = 14.968 kg

Step 2: Calculate the total daily dose of amoxicillin:

Total daily dose (mg) = Ordered dose (mg/kg/day) x Weight (kg)

Total daily dose (mg) = 30 mg/kg/day x 14.968 kg

Total daily dose (mg) = 449.04 mg/day

Step 3: Calculate the dose per administration:

Since the medication is given every 12 hours, there are 2 administrations per day.

Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day

Dose per administration (mg) = 449.04 mg/day / 2 administrations/day

Dose per administration (mg) = 224.52 mg

Step 4: Calculate the volume to be administered:

Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)

Volume (mL) = 224.52 mg / (200 mg/5 mL)

Volume (mL) = 224.52 mg x (5 mL / 200 mg)

Volume (mL) = 5.613 mL

Step 5: Round to the nearest tenth:

Volume (mL) ≈ 5.6 mL

Correct Answer is D

Explanation

Identify the desired dose and the available concentration:

Desired dose: 5 mg of hydrocodone

Available concentration: 7.5 mg of hydrocodone in 15 mL of elixir

Calculate the volume needed for the desired dose using the formula:

Volume(mL)=(Desireddose(mg)/Availableconcentration(mg/mL))

Determine the available concentration in mg/mL:

Availableconcentration=(7.5mg/15mL)=0.5mg/mL

Calculate the volume needed for a 5 mg dose:

Volume(mL)=(5mg/0.5mg/mL)=10mL

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