Power-horse Library

Which of the following accommodates Web users with vision impairment? - Answer Ensuring that all pages and page elements can be rendered by audio screen readers. What does XHTML use to format a page's appearance in the Web browser? - Answer HTML Which of the following was developed by the W3C to ensure core technologies used on the Web are equally accessible to all users, including disabled people? - Answer Web Accessibility Initiative (WAI) Which language was created by IBM to describ...

What is the move towards separating document structure, presentation, and webpage interaction called? - Answer Separation of concerns What is a packet? - Answer Information sent on the Internet What does an IP address represent? - Answer A computer's unique address on the Internet What is the format of a typical IP address? - Answer 32 bits divided into four 8-bit groups What is IPv4? - Answer The original Internet Protocol with 32-bit addresses What is IPv6? - Answer A new versi...

Who is the accrediting body for perfusion education? - Answer Accreditation Committee - Perfusion Education (AC-PE) In the consensus curriculum, what does "emergency preparedness" refer to? - Answer In the event of an emergency, such as a natural disaster, perfusionists should be prepared to provide services to assist in triage of patients. What are the two national organizations related to perfusion? - Answer American Society of Extracorporeal Technology (AmSECT) and the American Academ...

What is the max acceptable venous line pressure? A. 40 mmHg B. -40 mmHg C. 120 mmHg D. -120 mmHg - Answer B. -40 mmHg An advantage of continuous warm blood cardioplegia is: A. increased oxygen delivery. B. significantly decreased myocardial oxygen tension. C. a shift of the oxygen dissociation curve to the left. D. lower myocardial oxygen consumption. - Answer A. increased oxygen delivery. Intra-aortic balloon augmentation is contraindicated in patients with: A. prosthet...

1. Red blood cells have a diameter of approximately - Answer B) 7 microns 2. The anion with the highest extracellular concentration is - Answer A) chloride 3. The major extracellular cation that is responsible for regulating body fluid is - Answer D) sodium 4. The temperature correction of pCO2 and pO2 from the blood gas analyzer - Answer A) results in an increased gas value with decreasing temperature 5. The term alpha stat refers to - Answer D) the dissociation state of the imidazo...

Which of the following can cause an increase in myocardial oxygen consumption in a normal heart? - Answer all of the above: Ca ions Digitalis Epi Which of the following conditions results in dilated and depressed myocardium and an A-V block of electrical impulse? - Answer hyperkalemia What percentage of the total blood volume is contained in the pulmonary circulation? - Answer 0.1% Systemic vascular resistance is approximately _________ times higher than pulmonary vascular resistan...

Which of the following is not true regarding peak aortic blood flow acceleration? a) it is significant primarily in patients with aortic stenosis b) it is a sensitive indicator of changing contractility state and secondary to hypoxia c) it is highly sensitive to inotropic changes d) it is minimally affected by preload changes e) 2 of the above - Answer it is significant primarily in patients with aortic stenosis In doppler assessment of aortic valve gradient: a) the degree of stenosis...

Who was granted a federal contract in 1986 to operate the organ procurement and transplantation network? - Answer UNOS (United Network of Organ Sharing) In the 1980" there was an sudden increase in organ transplantation, Why? - Answer wide spread use of anti-rejection medications Why get a "used" heart? - Answer 1) NHLBI- end stage cardiac disease 2) NYHA class III and IV CHF a) refractory to max medical treatment b) continuous mechanical or inotropic support required c) Peak O2 ...

Metabolic acidosis is characterized by: - Answer a fall in the plasma HCO3- concentration and a low pH The patient is a 71 year old male who presents to the OR with a history of congestive heart failure. His history is positive for increasing shortness of breath, 3 pillow orthopnea, lower extremity edema, and dyspnea with mild exertion. Preoperative lab values are as follows (Arterial values): pH: 7.41, pCO2: 60, pO2: 50, HCO3-: 38.1, BE + 12, SaO2: 72%, Hgb/Hct: 7.6/23 Based on the above inf...

pharmacokinetics - Answer what the body does to the drug Pharmacodynamics - Answer what the drug does to the body upregulation - Answer increase density of receptors chronic decrease in receptor stimulation ex. chronic use of beta-blockers increases the number of B-receptors downregulation - Answer decrease density of receptors caused by a chronic increase in receptor activation ex. chronic treatment of asthma with albuterol (beta 2 agonist) reduces the number of B-receptors wh...