Nur 145 - Study guides, Class notes & Summaries

Sinoatrial (SA) node pacemaker of the heart Atrioventricular (AV) node the secondary pacemaker of the heart Depolarization electrical activation of a cell caused by the influx of sodium into the cell while potassium exits the cell Repolarization return of the cell to resting state, caused by reentry of potassium into the cell while sodium exits the cell. Refractory periods 1) effective (absolute) refractory period: the cell is completely unresposive to any electrical stimulus; it is incapabl...

3 Phases of Surgery Preoperative, post operative, intraoperative Characteristics of calcium deficiency muscle cramps, hypotension, decreased Cardiac output, neuro changes, dysphagia Characteristics of calcium excess hypertension, EKG changes, muscle/ joint pain, nausea, thirst, dehydration, constipation Normal Calcium level 9.0-10.5 mg/dL Normal Potassium level 3.5- 5 Excessive Potassium level characteristics cardiac dysrhythmias, death, twitching, muscle weakness Lower Potassium Levels ch...

NUR 145 - Module A Practice Q

NUR 145 Final E

NUR 145 CH. 15 QUESTIONS & ANSWERS (2023/2024)(VERIFIED ANSWERS)

What is the name for cranial nerve #1? What sense does it give us? Olfactory; Smell. What is expected/unexpected from CN #1? E- able to perceive and identify odor from each nostril. U- loss of smell or inability to discriminate odors (anosmia). What is the name for CN #2? What sense does it give us? Optic; vision. What is expected from CN #2? 20/20 vision w/ or w/o lenses, in each eye, and a full visual field. What are the names for CN #3, 4, 6, and what do they give us the ability to do? Oc...

Dysrhythmia (sometimes called arrhythmia) occurs when there is a disturbance of the normal electrical conduction, resulting in an abnormal heart muscle contraction or heart rate. Conduction system or electrical system, of the heart is the anatomic structure that controls the sequence of muscle contractions so that an optimal volume of blood is pumped from the heart with each beat. See Fig 24-1, pg. 387 The normal electrical conduction pathway in the heart starts with the firing of which compon...

Anxiety is a normal human emotion that is similar to fear. It's an unpleasant feeling of apprehension or nervousness, and it is caused by the perception of potential or actual danger that threatens a person's security. Anxiety Disorders: Types -Generalized anxiety disorder -Panic disorder -Phobias -Obsessive-compulsive disorder (OCD) Anxiety disorders are abnormal or irrational responses to stressful situations that impair normal daily functioning. Generalized anxiety disorder excessive wor...

Mental health issues with aging cognitive disorders-alzheimers/dementia/delirium Depression in the older adult Abuse Community resources Dementia the loss of cognitive functioning--thinking, remembering, and reasoning--and behavioral abilities to such an extent that it interferes with a persons daily life and activities -ranges in severity from the mildest stage, when it is just beginning to affect a persons functioning, to the most severe stage, when the person must depend completely on others...

For both outpatients and inpatients scheduled for diagnostic procedures of the cardiovascular system, the nurse performs a thorough initial assessment to establish accurate baseline data. Which of the following data is necessary to collect if the patient is experiencing chest pain? A. Pulse rate in upper extremities B. Blood pressure in the left arm C. Description of the pain D. Sound of the apical pulses description of the pain A history of its location, frequency, and duration is necessary. ...