Which of the following hemodynamic indices will be found in a patient with a large hemothorax?
a. Decreased QS/QT
b. Decreased CO
c. Increased CI
d. Increased SV
B
Because a large pneumothorax can impede venous blood return to the heart, the cardiac output (CO) will be decreased.
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True or false (circle one). The sternoclavicular joint has an articulating disk
Indicate whether the statement is true or false.
Patients should be cautioned about taking herbals because:
A) They are not regulated by the FDA. B) Pharmacy profits will decline if people are healed with herbals instead of medication. C) Herbals may interact with their prescription medications. D) They may interact with other dietary supplements.
A 7-year-old with a fever of 101.3°F and shortness of breath has a patent airway, but tachypneic respirations. His heart rate is 132 beats/min, respirations are 28 breaths/min, and blood pressure is 94/60 mmHg, with an SpO2 of 96% on room air. Crackles and wheezes are noted in the base of the right lung only. Given this presentation, you would suspect and treat the patient for:
A) Bronchiolitis B) Pneumonia C) Asthma D) Upper respiratory infection
Heart valves serve what purpose?
A) They prevent oxygenated blood from flowing through the coronary arteries. B) They control the heart's electrical signals. C) They prevent blood from flowing forward. D) They prevent backflow of blood.