The backup system of respiratory control, which is based on low concentrations of oxygen in the blood, is called the:
A. hypoxic drive.
B. pneumotaxic drive.
C. hypocarbic drive.
D. oxyhemoglobin drive.
Answer: A. hypoxic drive.
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Your diabetic patient asks you why diabetics need to take insulin. Which of the following answers is most accurate?
A) "Insulin helps glucose enter the cells of the body so it can be used for energy." B) "Insulin helps the body eliminate excess glucose through the kidneys." C) "Insulin breaks down glucose into proteins so it can be used by the cells for energy." D) "Without insulin glucose is converted to ketone bodies, which are toxic in large quantities."
A metered-dose inhaler is a(n):
a. handheld device that produces a medicated spray for inhalation. b. inhalation aid that disperses liquid into aerosol spray or mist. c. regulator device that administers oxygen along with inhaled medication. d. specially designed regulator used for nitrous oxide administration.
The heart's valves open and close in response to changes in
A) oxygenation. B) pressure. C) the heart's pacemaker. D) sodium and potassium concentration.
The optimal position of the scapula maintained by optimal muscular tension in which the scapula lies flat against the ribs and the medial border is parallel to the spine
What will be an ideal response?