Arteries have one-way valves that prevent the backflow of blood.
Answer the following statement true (T) or false (F)
False
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What changes in lung function are associated with malnutrition?
a. Reduced VC b. Increased TLC c. Increased RV d. Decreased FRC
What does an inconclusive exercise electrocardiography test mean?
A. The patient is one of the 5% of patients who have false-positive results. B. Additional testing must be done to determine whether the patient has heart disease. C. The patient has no detectable coronary vascular disease. D. The patient probably has heart disease, although it did not show up on the test.
For which type of procedure would a physician prescribe aprotinin (Trasylol®)?
a. sigmoidoscopy b. tonsillectomy c. cataract removal d. coronary artery bypass
A 1-year-old child presents with a decreased level of alertness, bradypnea, cyanosis, and a heart rate of 50 beats/min. You should:
A: assess the child's cardiac rhythm. B: start chest compressions. C: provide bag-mask ventilations. D: start an IV and give epinephrine.