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When communicating with other professionals, what is important for the nurse to do?
- A. Ask others what they want to know.
- B. Share everything known about the family.
- C. Restrict communication to clinically relevant information.
- D. Recognize that confidentiality is not possible.
Correct Answer: C
Rationale: When communicating with other professionals, it is important for the nurse to restrict communication to clinically relevant information. This ensures that only necessary and pertinent information is shared, maintaining patient confidentiality and preventing the unnecessary dissemination of sensitive details. By focusing on clinically relevant information, healthcare professionals can collaborate effectively and make well-informed decisions about patient care without compromising confidentiality or violating ethical guidelines.
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All the following are recognizable teratogens EXCEPT
- A. ethanol
- B. antiepileptic medications
- C. toxoplasmosis
- D. hypothermia
Correct Answer: D
Rationale: Hypothermia is not traditionally considered a teratogen compared to others listed.
Which drug class is used to reduce symptoms of muscle weakness from myasthenia gravis?
- A. Anticholinesterase drugs
- B. Adrenergic drugs
- C. Anticholinergic drugs
- D. Beta-blocker drugs
Correct Answer: A
Rationale: Anticholinesterase drugs, such as pyridostigmine, are the primary treatment for myasthenia gravis. These drugs work by preventing the breakdown of acetylcholine, a neurotransmitter that is essential for muscle contractions. By increasing the levels of acetylcholine at the neuromuscular junction, anticholinesterase drugs help improve muscle strength and function in individuals with myasthenia gravis. Adrenergic drugs, anticholinergic drugs, and beta-blocker drugs are not typically used to treat the symptoms of muscle weakness in myasthenia gravis.
What is the purpose of pursed lip breathing?
- A. Helps exhale less volume of air during expiration
- B. Increases expiration
- C. Promotes effective use of the diaphragm
- D. Relieves compensatory burden on upper thorax
Correct Answer: A
Rationale: Pursed lip breathing is a breathing technique commonly used to help improve breathing efficiency in individuals with respiratory conditions such as chronic obstructive pulmonary disease (COPD). By pursing the lips during exhalation, it creates back pressure that helps to keep the airways open longer. This results in slower and more controlled expiration, allowing the individual to exhale a smaller volume of air while maintaining adequate oxygen exchange. This can reduce the feeling of dyspnea (difficulty breathing) and help improve oxygen saturation levels in the blood.
All the following are features of rapid eye movement (REM) EXCEPT
- A. polysomnography
- B. EEG
- C. fibro-optic nasopharngeal examination
- D. CT scan of head and neck
Correct Answer: D
Rationale: CT scan of head and neck is not a feature of REM sleep; it is an imaging study unrelated to the physiological characteristics of REM sleep.
The nurse is conducting a staff in-service on congenital heart defects. Which structural defect constitutes tetralogy of Fallot?
- A. Pulmonic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy
- B. Aortic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy
- C. Aortic stenosis, atrial septal defect, overriding aorta, left ventricular hypertrophy
- D. Pulmonic stenosis, ventricular septal defect, aortic hypertrophy, left ventricular hypertrophy
Correct Answer: A
Rationale: Tetralogy of Fallot is a combination of four structural defects in the heart. These include pulmonic stenosis (narrowing of the pulmonary valve or artery), ventricular septal defect (hole in the wall that separates the two lower chambers of the heart), overriding aorta (aorta positioned directly over the ventricular septal defect), and right ventricular hypertrophy (enlargement of the right ventricle due to increased workload). Therefore, the correct combination of defects that constitute tetralogy of Fallot is pulmonic stenosis, ventricular septal defect, overriding aorta, and right ventricular hypertrophy, which is option A.