Chronotropy refers to an effect on _____
a. heart rate
b. force of contraction
c. bronchial smooth muscle
d. speed of conduction through the atrioventricular node
A
Chrono refers to rate. Chronotropic effect refers to a change in heart rate. Positive chronotropic effect refers to an increase in heart rate. Negative chronotropic effect refers to a decrease in heart rate.
You might also like to view...
An informed consent was to be obtained from the patient for his scheduled open cholecystectomy. Which circumstance could prevent the patient from signing his informed consent?
a. Pain radiating to the scapula b. An injection of Demerol, 75 mg IM, 1 hour ago c. The presence of jaundice and scleral icterus d. His concern over his insurance company not covering the procedure
An injury to a ligament when a joint is forced beyond its normal range of movement is called a:
a. strain. b. sprain. c. fracture. d. cork.
A nurse testifies about care provided to a patient in the 8 hours before a successful suicide. The nurse responds to questions about observations regarding the patient's behavior as well as interventions performed and documented during the shift
In what capacity was this nurse testifying? a. Forensic nurse examiner b. Expert witness c. Fact witness d. Consultant
The nurse is teaching a class on anthrax to a group of emergency response workers. The nurse plans to include which of the following?
A. Anthrax is a deadly bacterium; the most common and deadly form is gastrointestinal anthrax. B. Cutaneous anthrax is the most common form, but inhaled anthrax is the most lethal form. C. Anthrax most commonly affects wild rodents such as mice, rats, squirrels, and chipmunks. D. Cutaneous anthrax is serious because it quickly spreads by person-to-person contact.