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What correctly describes pursed-lip breathing?
- A. Breathe in to count of 4 and out to count of 2, pursing lips
- B. Breathe in through nose and slowly exhale through pursed lips
- C. Place one hand on abdomen and other on chest, inhaling through pursed lips and exerting pressure on inspiration
- D. Take in a deep breath, through pursed lips, then let out one-third; continue this pattern
Correct Answer: B
Rationale: Pursed-lip breathing involves slow exhalation to prolong expiration and improve airflow.
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What drug would be most effective in relieving Mr. Stout’s bronchial spasm?
- A. Potassium iodide
- B. Ephedrine sulfate
- C. Cromolyn sodium
- D. Acetylcysteine (Mucomyst)
Correct Answer: B
Rationale: Ephedrine stimulates beta-adrenergic receptors, relaxing bronchial smooth muscle.
Why are older adults more likely to develop hypovolemic shock?
- A. Low-activity lifestyle
- B. Altered cardiac function
- C. Decreased percentage of body water
- D. Decline in muscle strength and bone mass
Correct Answer: C
Rationale: Older adults have less total body water, making them more susceptible to fluid losses and hypovolemic shock.
Complications of overeating include which of the following?
- A. Hyperlipidemia
- B. Type I diabetes
- C. Sleep disturbances
- D. Rheumatoid arthritis
Correct Answer: A
Rationale: Overeating can lead to elevated cholesterol levels, contributing to hyperlipidemia and cardiovascular risks.
Persons at risk are the target population for cancer screening programs. Which asymptomatic patient(s) needs extra encouragement to participate in cancer screening? (Choose all that apply.)
- A. A 19-year-old white-American female who is sexually inactive for a Pap smear.
- B. A 35-year-old white-American female for an annual mammogram.
- C. A 45-year-old African-American male for an annual prostate-specific antigen.
- D. A 49-year-old African-American male for an annual fecal occult blood test.
Correct Answer: D
Rationale: African-American males are at higher risk for prostate and colorectal cancers, making regular screening crucial for early detection.
Which of the following is a sign of presbyopia?
- A. Difficulty seeing distant objects
- B. Difficulty seeing close objects
- C. Double vision
- D. Color blindness
Correct Answer: B
Rationale: Presbyopia is the gradual loss of near focusing ability, making it difficult to see close objects.