Pharmacology Prep U Chapter 13
Antihelmintic Agents
Pyrantel has been prescribed for a client with roundworm. Which common adverse reaction to
pyrantel should the client report immediately to the primary care provider? - CORRECT ANSWER
Rashes
Which type of infection is found in the gastrointestinal tract? - CORRECT ANSWER Helminthic
infections
Worldwide, ascaris infection is the most prevalent helminthic infection. Which characteristics
describe ascaris? Select all that apply. - CORRECT ANSWER • May occur wherever sanitation is
poor.
• Eggs in the soil are ingested with vegetables.
• Intestinal obstruction by masses of worms can occur.
Trichinosis results from the ingestion of the encysted larvae of the roundworm, Trichinella spiralis.
Which are characteristics of trichinosis? Select all that apply. - CORRECT ANSWER • Found in
undercooked pork.
• Larvae are deposited in the intestinal mucosa, pass into the bloodstream, and are carried
throughout the body.
• Fatal pneumonia, heart failure, and encephalitis may occur.
Filariasis refers to infection of the blood and tissues of healthy people by worm embryos. Which of
the following characteristics do not describe filariasis? Select all that apply. - CORRECT ANSWER •
Can cause an inflammatory reaction in cardiac muscle and in the brain
• Can cause fatal encephalitis
Schistosomiasis is a platyhelminthic infection. Which are characteristics of schistosomiasis? Select all
that apply. - CORRECT ANSWER • Carried by a snail
• Common problem in parts of Africa, Asia, and certain South American and Caribbean countries
• Larvae attach to the skin and quickly burrow into the bloodstream and lymphatics
• People become infected when they come in contact with the infested water
, Which are the most frequent cause of helminth infections in the United States? - CORRECT
ANSWER Pinworms
When administering antihelmintic drugs, which meals should be avoided to prevent interference
with drug effectiveness? - CORRECT ANSWER High fat
When interviewing a client with a suspected worm infection, what would lead the nurse to suspect
trichinosis? - CORRECT ANSWER Ingestion of undercooked pork
A client with filariasis asks the nurse how the infection was transmitted. The nurse would
incorporate an understanding of what information when responding to the client? - CORRECT
ANSWER The client was bitten by an insect that contained worm embryos.
After teaching a local community group of students about measures to help prevent the spread of
helminths, the nurse determines the need for additional teaching if the group identifies which
measure? - CORRECT ANSWER Weekly cleaning of bathroom toilets
What would the nurse identify as causing more damage to humCorrect answer than most other
helminths? - CORRECT ANSWER Threadworm
Which activity would be appropriate for a nurse to include when teaching a community group about
measures to prevent trichinosis? - CORRECT ANSWER Ensuring that any pork products are
thoroughly cooked
A client who currently works in Southeast Asia has been treated for schistosomiasis using
praziquantel. What should the nurse teach the client about preventing reinfection? - CORRECT
ANSWER Avoid entering bodies of fresh water to swim or wade
An adult client who recently immigrated has been diagnosed with a tapeworm after several months
of weight loss. The client has been prescribed albendazole and has presented for a follow-up
assessment. What finding should the nurse prioritize for communicating to the provider? - CORRECT
ANSWER The client reports pruritis and his thorax has a yellowish tint.
The nurse is working with an 8 year-old client who has been diagnosed with ascariasis infection
following several weeks of symptoms that care providers attributed to a virus. When planning the
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