Answer:
True
Explanation:
Pacemaker cells, unlike other neurons in the body, can depolarized themselves (and therefore can fire action potentials) without the need of an external innervation of the autonomic nervous system.
Each class of pacemaker cells has its own intrinsic rate.
For example, sinoatrial node rate is 60-100 bpm (the normal heart frequency).
The atrioventricular node is also part of the electrical conduction system of the heart. When the sinoatrial node fails, atrioventricular node takes the lead (40-60 bpm).
Answer:
The correct answer choice for the question: The study, or care, of patients with conditions of the heart and circulatory system, would be, D: cardiology.
Explanation:
The name of the medical field that studies and treats patients with conditions that affect their heart and cardiovascular system, is cardiovascular medicine. However, the medical specialists who work on taking care of this major body system are known as cardiologists, and the specialty from internal medicine is known as cardiology. Cardiology is precisely the specialty that focuses only on the heart and cardiovascular system, over any other system.
The nursing intervention that should be a priority when an older adult client gets diagnosed with end-stage renal disease (ESRD) and has fluid volume excess is: assessing the client's lung sounds.
ESRD is a chronic kidney disease resulting in kidney failure. This is a gradual loss of the functioning of kidney that cannot be restored. The only solution to this disease is long-term dialysis on a regular basis or kidney transplant.
Lung sounds are of different types depending upon the condition of a person lungs. Listening to this sound, also called auscultation is necessary to assess the right medical condition. The sounds related to fluid overload in lungs are grunting, gurgling, or wheezing.
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Answer:
external acoustic meatus, tympanic membrane, ossicles, and oval window. incus, stapes, oval window, scala vestibuli perilymph, and cochlear duct endolymph.
