Select Dropdowns: Aminoglycosides work by binding to the
dropdown
which prevents
dropdown

Answer and Explanation

The Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"B"}

Aminoglycosides work by binding to the 30S subunit; this binding interferes with the bacterial ribosome's ability to synthesize proteins. By inhibiting protein synthesis, aminoglycosides disrupt bacterial growth and can lead to bacterial cell death.

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Correct Answer is B

Explanation

Antihistamines primarily work by blocking the H1 receptors, which are the receptors responsible for mediating the actions of histamine in the body. By blocking these receptors, antihistamines prevent or reduce the effects of histamine, such as itching, sneezing, runny nose, and watery eyes. This is the main mechanism by which antihistamines provide their therapeutic effects. "Antihistamines block release of histamine from mast cells and basophils." This statement is incorrect. Antihistamines do not block the release of histamine; instead, they block the histamine receptors to prevent the effects of histamine.

"H1 antagonists can bind to H1 receptors, H2 receptors, and muscarinic receptors." This statement is incorrect. H1 antagonists, or H1 receptor blockers, specifically bind to H1 receptors and do not have significant affinity for H2 receptors or muscarinic receptors. "First-generation antihistamines are more selective than second-generation antihistamines." This statement is incorrect. First-generation antihistamines are generally less selective and can have more sedating and anticholinergic effects compared to second-generation antihistamines, which are designed to be more selective for H1 receptors and have reduced sedative properties.

A. Skin rash B. Hyperglycemia C. Dizziness D. Intense pruritus

Correct Answer is ["A","D"]

Explanation

Signs and symptoms associated with a hypersensitivity reaction to cephalosporin antibiotics can include:

1. Skin rash: Hypersensitivity reactions often manifest as skin rashes, which can range from mild to severe. The rash may be itchy, red, raised, and may spread to different areas of the body.

2. Intense pruritus: Pruritus refers to severe itching, which can be a prominent symptom of a hypersensitivity reaction to cephalosporins.

Dizziness and hyperglycemia are not commonly associated with hypersensitivity reactions to cephalosporins. Dizziness may be a side effect of some medications, including antibiotics, but it is not a specific symptom of a hypersensitivity reaction. Hyperglycemia, or high blood sugar levels, is not typically attributed to a hypersensitivity reaction to cephalosporins. It's important to note that hypersensitivity reactions can vary in severity and may include other symptoms such as fever, swelling, difficulty breathing, wheezing, and anaphylaxis. If a hypersensitivity reaction is suspected, it is crucial to seek immediate medical attention for proper evaluation and management.

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Select Dropdowns: Aminoglycosides work by binding to the dropdown which prevents dropdown

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Naxlex Comprehensive Predictor Exams

A nursing instructor is teaching a group of nursing students about antihistamines. Which statement by a student indicates an understanding of the mechanism of action of the antihistamines?

Correct Answer is B

Explanation

What signs and symptoms are associated with a hypersensitivity reaction that can present with a Cephalosporin?

Correct Answer is ["A","D"]

Explanation

Cephalosporins are similar to another group of beta-lactam antibiotics called the?

Celecoxib is what class of drug?

A client is suffering from osteoarthritis in the knees and the nurse is providing care. The nurse is assessing the client's pain level and pain tolerance. Based on the nurse's understanding of pain, the nurse knows that a client's pain tolerance is most likely relieved by which of the following?

In reviewing the electrolytes of a patient, the nurse notes the serum potassium level has increased from 4.3 mEq/L to 5.9 mEq/L. Which assessment does the nurse initiate first to prevent further harm?

A patient, age 23, underwent a rhinoplasty 6 hours ago. After administering his pain medication, the nurse notes that he is swallowing frequently. What is the most likely cause of the swallowing?

You're providing discharge instructions to a patient who will be taking a loop diuretic at home. Which statement by the patient demonstrates they did NOT understand the teaching material and requires that you reinforce some of the teaching points?

A 58-year-old man is going to have chemotherapy for lung cancer. He asks the nurse how the chemotherapeutic drugs will work.The most accurate explanation the nurse can give is which of the following?

Select Dropdowns: Aminoglycosides work by binding to the
dropdown
which prevents
dropdown