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What is the most appropriate first step in treating a patient with acute asthma exacerbation?
- A. Administer oral corticosteroids
- B. Provide oxygen therapy
- C. Administer a short-acting beta-agonist (SABA)
- D. Give intravenous fluids
Correct Answer: C
Rationale: The first line treatment for acute asthma exacerbation is a short-acting beta-agonist to relieve bronchoconstriction
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Explain why late inspiratory crackles in the lower third of the chest are indicative of heart failure rather than other respiratory conditions.
- A. They indicate airway obstruction typical of asthma.
- B. They suggest fluid accumulation in the alveoli due to heart failure.
- C. They are a sign of chronic bronchial inflammation.
- D. They are associated with hyperinflation of the lungs in COPD.
Correct Answer: B
Rationale: Late inspiratory crackles indicate fluid in the alveoli, a hallmark of heart failure.
An example of synovial joints would be:
- A. Vertebrate bodies of the spine
- B. Scalp
- C. Shoulder
- D. Pubic symphysis of the pelvis
Correct Answer: C
Rationale: The shoulder is an example of a synovial joint, which allows for a wide range of motion.
What term was historically used to refer to the medical professionals who specialized in the use of X-ray technology for diagnosis and treatment?
- A. Radiologists
- B. Roentgenologists
- C. Sonographers
- D. Nuclear Medicine Physicians
Correct Answer: B
Rationale: The term "Roentgenologists" was used historically to refer to specialists in the use of X-ray technology.
Which immunization reduces a patient’s risk for infection with the virus that causes painful localized blistering rash?
- A. Smallpox vaccine
- B. Varicella vaccine (chicken pox)
- C. Shingles (herpes zoster) vaccine
- D. Meningococcal vaccine
Correct Answer: C
Rationale: Shingles vaccine reduces the risk of herpes zoster, which causes painful rash.
Which of the following statements is true?
- A. Decision-making capacity can be determined only by a psychiatrist.
- B. A diagnosis of dementia precludes competent decision making.
- C. Lack of decision-making capacity should not be presumed if the patient goes against medical advice.
- D. Expression of a choice is sufficient to indicate decision-making capacity.
Correct Answer: C
Rationale: A patient's decision-making capacity cannot be assumed to be absent solely based on their refusal of medical advice.