Changes in the cardiac structure and function occur in the heart of an older adult. Which of the following is a normal change expected in the aging heart?
A) Decreased left ventricular ejection time
B) Decreased connective tissue in the SA and AV nodes and bundle branches
C) Thinning and flaccidity of the cardiac values
D) Widening of the aorta
Ans: D
Feedback: Changes in cardiac structure and function are clearly observable in the aging heart. Aging results in decreased elasticity and widening of the aorta, thickening and rigidity of the cardiac valves, increased connective tissue in the SA and AV nodes and bundle branches, and an increased left ventricular ejection time (prolonged systole).
You might also like to view...
You are caring for a patient 2 days post-op of removal of a large squamous cell carcinoma of the neck. While you are doing discharge teaching, the patient asks, "Is my cancer going to spread to other parts of my body?"
What is your best response? A) "It is highly likely that this type of cancer will spread." B) "Squamous cell carcinoma of the head and neck usually does not spread to distant sites in the body." C) "You will have to speak to your oncologist about that." D) "Squamous cell carcinoma is nothing to be concerned about, so don't worry."
A nurse is charged with battery after helping an invalid patient back to bed and not calling for help due to a reduced staffing level. The patient sustained excessive bruising, sore joints, and extended stay. In this case, the:
a. patient is the plaintiff. b. nurse can be charged with forcefully restraining the patient without orders. c. nurse is accountable due to the decreased level of staffing. d. charge of invasion of privacy may be withheld.
Attention-deficit disorder and narcolepsy are treated using CNS ________.
Fill in the blank(s) with the appropriate word(s).
When a patient is less responsive to a drug after repeated doses, it is termed drug ________.
Fill in the blank(s) with the appropriate word(s).