Which of the following serves as a prototype for messenger RNA (mRNA)?
a. Deoxyribonucleic acid (DNA)
b. Nitric acid (HNO3)
c. Potassium (K) and sodium (Na)
d. Transfer RNA (tRNA)
a. Deoxyribonucleic acid (DNA)
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During an asthma attack, three main pathological changes lead to hypoxia in the patient. Which of these changes is not one of these three?
A) Bronchospasm B) Decreased alveolar perfusion C) Increased edema to bronchiole walls D) Heavy mucus secretion and airway plugging
An alert and distressed 72-year-old male with a history of congestive heart failure is in severe respiratory distress, breathing 28 to 32 times a minute. His airway is patent, respirations labored, and skin diaphoretic with a weak and rapid radial pulse. Vital signs are: pulse 136, respirations 28, blood pressure 202/110 mmHg, and SpO2 83%. Cyanosis is evident in the fingertips. The best
treatment of his breathing would be: A) CPAP. B) albuterol MDI. C) high-concentration oxygen with a nonrebreather. D) nasal airway with high-concentration O2.
Which of the following does not apply to HIPAA requirements?
A. Health-care facilities must inform patients, in writing, about disclosure of identifiable health information. B. The medical assistant should be informed of available resources for resolving disputes. C. Health-care facilities must provide patients with a written notice of their privacy practices. D. The patient's written authorization is required for disclosures not permitted by a hospital's privacy notice. E. Patient consent is required to disclose protected information.
A patient was struck in the right upper arm with a baseball bat. Which signs or symptoms indicate the highest standard probability that the humerus has been fractured?
A. Crepitus felt on palpation. B. creased sensation in the right hand. C. Deformity to the upper arm. D. Pain to the right upper arm.