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...

What are cannulation sites for an LVAD? - Answer Pulmonary Vein and Aorta What is the minimum pressure for an LVAD inflow, before you are at risk for drawing air? - Answer 5 mmHg Correction for cannula entrapment in LVAD's can be accomplished by doing what? - Answer increasing the left atrial preload (decreasing flow) --> Cannula is sucking down in the LVAD inflow either in the pulm vein, lv apex, or just below crossing the aortic valve. What is the indication that indicates to add...

In 55% of patients, which coronary artery gives rise to blood supply for the S-A Node? A. right. B. circumflex. C. posterior descending. D. obtuse marginal. - Answer A Which of the following is a reported disadvantage of cerebral saturation monitoring using Near Infrared Spectroscopy (NIRS) Technology: A. Global ischemic events are not reflected in the measurements. B. Pulsatile perfusion pressure is required for accurate measurements. C. Catheter placement is required for continuous m...

What good substances cross the placental membrane? - Answer O2, CO2, H2O, bilirubin, maternal serum proteins, RBc, IgG, IgA What harmful substances cross the placental membrane? - Answer 1) viruses: rubella, HIV, measles, oral conraception, WARFARIN, DILANTIN, Xanax, cocaine, heroin, RH-antibodies What does not cross the placental membrane? - Answer maternal chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria Which vessel supplies blood to the fetus? - Answer umbilical vein Whic...

The major cation found in extracellular fluid is: - Answer Sodium (Na) The primary structural units of proteins are: - Answer L-amino acids Which clotting factor is activated by contact with foreign surfaces, roughened vascular walls, and platelet aggregates? - Answer 12 - Hageman (X11) The effect of plasmin is to: - Answer Limit clotting by splitting fibrin The normal arterio-venous oxygen difference is approximately: - Answer 5 volumes percent Oxygen delivery will be decreased w...

The major cation found in extracellular fluid is? a) K+ b) Ca++ c) Mg++ d) Na+ - Answer d) Na+ Oxygen delivery will be decreased when a low venous oxygen tension and high venous oxyhemoglobin saturation are present due to: a) increase in P50 b) decrease in P50 c) metabolic alkalosis d) metabolic acidosis - Answer c) metabolic alkalosis At a given PO2, increasing PCO2 results in: a) more O2 bound to the hemoglobin b) less O2 bound to hemoglobin c) no effect on amt of O2 bound to hemo...

The 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 IABP augmentation is contraindicated in patients with: A: prosthetic aortic valves B: aortic insufficiency C: VSDs D: peripheral atherosclerosis - Answer B When using a roller pump. aortic dissection caused by the aortic cannula may be de...

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 increased oxygen delivery Intra-aortic ballon augmentation is contraindicated in patients with: A. prosthetic aortic valves B. aortic insufficiency C. ventricular septal defects D. peripheral atherosclerosis - Answer aortic insufficiency W...

An advantage of continuous warm blood cardioplegia is - Answer Increased oxygen delivery Intra-aortic balloon augmentation is contraindicated in pts with - Answer Aortic insufficiency When using a roller pump, aortic dissection caused by the aortic cannula may be detected by - Answer Elevated arterial line pressure The most significant advantage of venovenous ECMO over venoarterial ECMO is - Answer Unaffected pulmonary hemodynamics The rate of water extraction using an ultrafiltratio...

the major cation found in extracellular fluid - Answer Na+ the eprimary structural unit of proteins - Answer L-amino acids which clotting factor is activated by contact with foreign surfaces, roughened vascular walls, and platelet aggregates? - Answer XII ffect of plasmin is to: A) limit clotting by splitting fibrin B) initiate the intrinsic pathway C) cleave thrombin D) initiate the extrensic pathway - Answer A) limit clotting by splitting fibrin normal arterio0venous O2 differe...

ASD types - Answer Sinus venosus Ostium Secondum Ostium Primum Sinus venosus is found - Answer high in atrial septum near SVC Ostium Secundum is found - Answer atrial septum in fossa ovalic ostium primum is found - Answer low in atrial septum endocaMOST COMMON ASD commonly found in downs syndrome (trisomy 21) rdial cusion defect ostuim primum is AKA - Answer partial or complete AV canal VSD complication with closure - Answer complete heart block 4 types of VSDs - Answe...