What should I know before undergoing a spider vein removal procedure?

What should I know before undergoing a spider vein removal procedure?
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1 Answer

Answer :

It is important to understand the procedure as well as what is required for post-procedure care. While the procedure is simple and fairly common, there are risks, so it's a good idea to be aware of them in order to identify problems, should they arise. This site offers a comprehensive view of all aspects of spider vein removal: www.yourplasticsurgeryguide.com/other-procedures/spider-vein.htm
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How to Understand Spider Vein Removal?

Description : How to Understand Spider Vein Removal?

Last Answer : Spider veins, also known as varicose veins can be unsightly andembarrassing. They are small blood vessels that appear red orbluish in color and are often in a web or matted pattern. They aretypically ... is not always a pain free process. Although there are noneedles, the procedure is known to st

What is the best spider vein removal product?

Description : What is the best spider vein removal product?

Last Answer : Laser removal is the best spider vein removal product to get rid of most spider veins but if you have serious problems then laser removal may need to be combined with sclerotherapy.

The person who could not fast in Ramadan due to taking chemotherapy ; What should he do ? I am currently undergoing chemotherapy for liver cancer. The treatment is to take some tablets daily , injected into the vein. The caregiver advised me not to fast because of the overall weakness of my health i

Description : The person who could not fast in Ramadan due to taking chemotherapy ; What should he do ? I am currently undergoing chemotherapy for liver cancer. The treatment is to take some tablets daily , injected ... Qiyamul Lail due to physical weakness ? Will I perform the qaya of this prayer the next day ?

Last Answer : One: We pray to God to heal you . Two: There is no difficulty in not fasting the month of Ramadan due to illness. Then, if you are able to fast, then make up the fast of this month. And if ... So that there is no beetir (odd), since there is no beetir prayer except at night. Allah is All-Knowing.

Low dose subcutaneous heparin therapy is indicated for: A. Prevention of leg vein thrombosis in elderly patients undergoing abdominal surgery B. Ischaemic stroke C. Patients undergoing neurosurgery D. Prevention of extention of coronary artery thrombus in acute myocardial infarction

Description : Low dose subcutaneous heparin therapy is indicated for: A. Prevention of leg vein thrombosis in elderly patients undergoing abdominal surgery B. Ischaemic stroke C. Patients undergoing neurosurgery D. Prevention of extention of coronary artery thrombus in acute myocardial infarction

Last Answer : A. Prevention of leg vein thrombosis in eld

is it safe to give a spider spider vein tretment?

Description : is it safe to give a spider spider vein tretment?

Last Answer : No it is not safe to give your pet spider a spider vein treatment. Spider vein treatments are not meant for your pet spider and could seriously harm your pet. These treatments are meant for humans only unless specifically stated by your doctor to use it otherwise.

Which of the following statement(s) is/are true concerning the management of a patient with hemophilia A undergoing an elective surgical operation? a. Concentrates of factor VIII should be given several days prior to elective surgery b. The half-life of factor VIII concentrates is less than 24 hours c. A dose of 40–50 IU/kg of factor VIII concentrate should be given prior to the planned surgical procedure d. Factor VIII concentration administration should be given for the first 24 hours after surgery but may then be stopped if no abnormal bleeding has been observed e. A new recombinant preparation of factor VIII offers the advantage of being virus-free

Description : Which of the following statement(s) is/are true concerning the management of a patient with hemophilia A undergoing an elective surgical operation? a. Concentrates of factor VIII should be given ... observed e. A new recombinant preparation of factor VIII offers the advantage of being virus-free

Last Answer : Answer: b, c, e Although the half-life of factor VIII is 2.9 days in normal individuals, the half-life of factor VIII concentrates is 9 to l8 hours. Levels of 80% to ... infection in the hemophilia population. A new recombinant preparation of factor VIII offers the advantage of being virus-free

A number of prospective clinical trials have addressed the role of total parenteral nutrition in the cancer patient. The results have been somewhat conflicting. Which of the following statement(s) have been proven correct by prospective trials? a. Preoperative TPN is beneficial in surgical patients with severe preoperative nutrition b. Postoperative TPN is of value following pancreatic resection c. Routine use of perioperative (including prior to the procedure) TPN is of benefit in patients undergoing hepatectomy for hepatoma d. TPN is of no benefit in patients undergoing bone marrow transplant

Description : A number of prospective clinical trials have addressed the role of total parenteral nutrition in the cancer patient. The results have been somewhat conflicting. Which of the following statement(s) ... hepatectomy for hepatoma d. TPN is of no benefit in patients undergoing bone marrow transplant

Last Answer : Answer: a, c Numerous clinical trials have failed to yield a consensus with regard to the efficacy of TPN in cancer patients. In 1991, a multicenter VA cooperative trial demonstrated ... patients receiving bone marrow transplantation has also been shown to be a valuable component of overall care

While undergoing a surgical procedure a patient develops hypotension. Which of the following drugs can be injected intramuscularly to raise his BP (a) Noradrenaline (b) Isoprenaline (c) Mephentermine (d) Isoxsuprine

Description : While undergoing a surgical procedure a patient develops hypotension. Which of the following drugs can be injected intramuscularly to raise his BP (a) Noradrenaline (b) Isoprenaline (c) Mephentermine (d) Isoxsuprine

Last Answer : Ans: C

The nurse advises the patient undergoing photodynamic therapy (PDT) for macular degeneration to avoid exposure to direct sunlight or bright lights for a) the first five days after the procedure. Photodynamic therapy includes the use of verteporfin, a light-activated dye. The dye within the blood vessels near the surface of the skin could become activated with exposure to strong light, such as sunlight or bright lights. Ordinary indoor light is not a problem. The patient should be counseled to wear protective clothing, such as long-sleeved shirts, sunglasses, and wide-brimmed hats, if the patient has to go outdoors during daylight hours in the first five days post-treatment. Inadvertent sunlight exposure can lead to severe blistering of the skin and sunburn.

Description : The nurse advises the patient undergoing photodynamic therapy (PDT) for macular degeneration to avoid exposure to direct sunlight or bright lights for a) the first five days after the procedure. ... should avoid exposure to direct sunlight or bright lights for the first five days post-treatment.

Last Answer : a) the first five days after the procedure. Photodynamic therapy includes the use of verteporfin, a light-activated dye. The dye within the blood vessels near the surface of the skin could ... days post-treatment. Inadvertent sunlight exposure can lead to severe blistering of the skin and sunburn.

While undergoing a surgical procedure a patient deve- lops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

Description : While undergoing a surgical procedure a patient deve- lops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

Last Answer : C. Mephentermine

While undergoing a surgical procedure a patient develops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

Description : While undergoing a surgical procedure a patient develops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

Last Answer : C. Mephentermine

While undergoing a surgical procedure a patient develops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

Description : While undergoing a surgical procedure a patient develops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

Last Answer : C. Mephentermine

What questions do I need to ask before undergoing a blepharoplasty?

Description : What questions do I need to ask before undergoing a blepharoplasty?

Last Answer : Male or female you should have some relative basis here. Check out this information panel about blepharosplasty. http://www.plasticsurgery.org/Patients_and_Consumers/Procedures/Cosmetic_Procedures/Eyelid_Surgery_for_Women.html

What is the procedure for the removal of a Supreme Court Judge. -SST 10th

Description : What is the procedure for the removal of a Supreme Court Judge. -SST 10th

Last Answer : A Judge can be impeached on grounds of proven misbehaviour or incapacity. The process involves a motion being passed by a special majority of each House of Parliament. (i) A motion addressed to the ... each house. (v) The judge will be removed after the President gives the order for his removal.

Anyone undergoing hormone supplementation therapy with testosterone?

Description : Anyone undergoing hormone supplementation therapy with testosterone?

Last Answer : Ah, nuts. I put a comma where it did not belong. Last two topics should, of course, be combined into: “The place where hormones and spirituality and self image meet.”

Would you like to join me in sending well wishes to any jellies undergoing anything stressful today?

Description : Would you like to join me in sending well wishes to any jellies undergoing anything stressful today?

Last Answer : Best of luck redfeather!

What mode of transport can you see undergoing some dramatic improvements in the next few decades?

Description : What mode of transport can you see undergoing some dramatic improvements in the next few decades?

Last Answer : I hope trains. With all of the derailments and deaths and things I’m hoping they figure out better ways to make them safer for both animals and people

Statement A : The primary transcript produced in eukaryotic is translated without undergoing any modification or processing. Statement B: The hn-RNA i

Description : Statement A : The primary transcript produced in eukaryotic is translated without undergoing any modification or processing. Statement B: The hn-RNA i

Last Answer : Statement A : The primary transcript produced in eukaryotic is translated without undergoing any ... If both assertion and reason are false.

If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultan eousely, what will be the ratio of ova and sperms p

Description : If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultan eousely, what will be the ratio of ova and sperms p

Last Answer : If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultan eousely, what will be ... `1:2` C. `1:4` D. `2:1`

Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Description : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Last Answer : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii ... (vi) `PCl_(3)` (vii) `AsCl_(3)`

Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Description : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Last Answer : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii ... (vi) `PCl_(3)` (vii) `AsCl_(3)`

Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the production of

Description : Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the production of

Last Answer : Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the ... Hydrogen sulfide C. Ammonia D. Lactic Acid

A book with many printing errors contains four different formulae for the displacement y of a particle undergoing a certain periodic function

Description : A book with many printing errors contains four different formulae for the displacement y of a particle undergoing a certain periodic function

Last Answer : A book with many printing errors contains four different formulae for the displacement y of a ... Rule out the wrong formulae on dimensional grounds.

Define angular velocity. Show that the centripetal force on a particle undergoing uniform circular motion is -mω^2 r.

Description : Define angular velocity. Show that the centripetal force on a particle undergoing uniform circular motion is -mω^2 r.

Last Answer : Define angular velocity. Show that the centripetal force on a particle undergoing uniform circular motion is -mω2r.

Joint families are now undergoing significant changes is an example of functional changes.

Description : Joint families are now undergoing significant changes is an example of functional changes.

Last Answer : Correct the underlined word and complete the sentence : Joint families are now undergoing significant changes is an example of functional changes.

What is the main source of energy for most processe undergoing thermal expansion?

Description : What is the main source of energy for most processe undergoing thermal expansion?

Last Answer : Thermal energy is the main source of energy for most processeundergoing thermal expansion

What happens to a substance that is undergoing thermal expansion?

Description : What happens to a substance that is undergoing thermal expansion?

Last Answer : The dimension of the sample increases; the chemical composition remain unchanged.

What vitamins should one take after undergoing gastric bypass surgery?

Description : What vitamins should one take after undergoing gastric bypass surgery?

Last Answer : Thiamine, vitamin B12, calcium and vitamin D, and iron. Thiamine is basically to reduce the pain and other bad side effects after the surgery. Calcium is to restore the health for your bones while ... absorbs the calcium. And start eating foods with iron once you are allowed to eat solid foods.

Appropriate guidelines for the use of TPN in cancer patients include: a. Long-term TPN in patients with rapid progressive tumor growth unresponsive to other therapy b. Mildly malnourished patients undergoing surgery for a curable cancer c. Preoperatively administered TPN prior to surgery or other therapy in patients with severe malnutrition d. Patients in whom treatment toxicity precludes the use of enteral nutrition

Description : Appropriate guidelines for the use of TPN in cancer patients include: a. Long-term TPN in patients with rapid progressive tumor growth unresponsive to other therapy b. Mildly malnourished ... with severe malnutrition d. Patients in whom treatment toxicity precludes the use of enteral nutrition

Last Answer : Answer: c, d As a general rule, the most important factor to consider when making decisions about the use of TPN in patients with cancer is the response of the tumor to antineoplastic ... . Long-term TPN is not indicated with rapidly progressive tumor growth which is unresponsive to such therapy

A 47-year-old patient undergoing a complicated laparotomy for bowel obstruction develops a postoperative enterocutaneous fistula. Which of the following statement(s) is/are true concerning parenteral nutritional support in the postoperative period? a. Oral intake can result in severe dehydration, electrolyte abnormalities, and perifistula skin injury b. Total parenteral nutrition increases the spontaneous closure rate of intestinal fistula c. Total parenteral nutrition decreases mortality rate in patients with intestinal fistulas d. The use of TPN better prepares the patient for surgery if surgical intervention proves necessary

Description : A 47-year-old patient undergoing a complicated laparotomy for bowel obstruction develops a postoperative enterocutaneous fistula. Which of the following statement(s) is/are true concerning parenteral ... use of TPN better prepares the patient for surgery if surgical intervention proves necessary

Last Answer : Answer: a, b, d Patients with gastrointestinal-cutaneous fistulas represent the classical indication for TPN. In such patients, oral intake of food almost invariably results in increased ... treated more aggressively surgically after a defined period of nutritional support (unless closure occurs)

In contrast to a patient undergoing an elective operation, which of the following statement(s) is/are true concerning a patient who has suffered a multiple trauma? a. Basal metabolic rates are similar b. The patient is highly sensitive to insulin c. Utilization of the amino acids, glutamine and alanine, is similar to their composition in skeletal muscle d. Fat and protein stores are rapidly depleted

Description : In contrast to a patient undergoing an elective operation, which of the following statement(s) is/are true concerning a patient who has suffered a multiple trauma? a. Basal metabolic rates are ... is similar to their composition in skeletal muscle d. Fat and protein stores are rapidly depleted

Last Answer : Answer: b, d The degree of hypermetabolism is generally related to the severity of injury. Patients with long-bone fractures have a 15-25% increase in metabolic rate, whereas metabolic ... in injured subjects, if unfed, severely injured patients rapidly deplete their fat and protein stores

Which of the following statements regarding the transmission of infectious agents through blood transfusions is/are true? A. The transmission rates for human immunodeficiency virus (HIV) have been decreasing progressively since the early 1980s. B. The transmission rates of hepatitis have been decreasing steadily since the 1980s. C. Cytomegalovirus (CMV) is the infectious agent most commonly transmitted in blood. D. Severely immunocompromised patients (such as patients undergoing transplantation) should receive specially screened blood products.

Description : Which of the following statements regarding the transmission of infectious agents through blood transfusions is/are true? A. The transmission rates for human immunodeficiency virus (HIV) ... patients (such as patients undergoing transplantation) should receive specially screened blood products.

Last Answer : Answer: ABCD DISCUSSION: The incidence of both HIV and hepatitis transmitted via blood transfusions has been steadily decreasing since the 1980s. This is related to improved ... , severely compromised patients such as those undergoing transplantation should receive CMV-negative blood products

A patient undergoing cancer chemotherapy is vomiting frequently. A drug that might help in this situation is (a) Bromocriptine (b) Cimetidine (c) Ketanserin (d) Loratadine (e) Ondansetron

Description : A patient undergoing cancer chemotherapy is vomiting frequently. A drug that might help in this situation is (a) Bromocriptine (b) Cimetidine (c) Ketanserin (d) Loratadine (e) Ondansetron

Last Answer : Ans: E

Indication of rapid sequence anesthesia include all except A. Patient ASA I undergoing elective cholecytectomy. B. Patient presented with bowel obstruction C) Morbid Obesity Patients D) Pregnancy

Description : Indication of rapid sequence anesthesia include all except A. Patient ASA I undergoing elective cholecytectomy. B. Patient presented with bowel obstruction C) Morbid Obesity Patients D) Pregnancy

Last Answer : Ans: A

A man is sitting by the side of a large lake. He hears the utterances of bathers with their mouth close to water surface more clearly than if they were at same distance away on land. This effect is due to sound waves undergoing (a) Reflection (b) Refraction (c) Dispersion (d) Total internal reflection

Description : A man is sitting by the side of a large lake. He hears the utterances of bathers with their mouth close to water surface more clearly than if they were at same distance away on land. This ... due to sound waves undergoing (a) Reflection (b) Refraction (c) Dispersion (d) Total internal reflection

Last Answer : Ans:(c)

Which of the following problems is indicated if a lead-acid battery begins to gas violently when it is first placed on charge? A. Insufficient compartment ventilation is being provided. B. A short circuit exists in one of the battery cells. C. The battery is undergoing its normal charging rate. D. An excessive charging rate is being applied to the battery.

Description : Which of the following problems is indicated if a lead-acid battery begins to gas violently when it is first placed on charge? A. Insufficient compartment ventilation is being provided. B. A short ... undergoing its normal charging rate. D. An excessive charging rate is being applied to the battery.

Last Answer : Answer: D

A material capable of undergoing large permanent deformation, when subjected to compression is termed as (A) Malleable (B) Ductile (C) Brittle (D) None of these

Description : A material capable of undergoing large permanent deformation, when subjected to compression is termed as (A) Malleable (B) Ductile (C) Brittle (D) None of these

Last Answer : (A) Malleable

. A material capable of undergoing large permanent deformation, when subjected to tension is termed as (A) Friable (B) Ductile (C) Brittle (D) None of these

Description : . A material capable of undergoing large permanent deformation, when subjected to tension is termed as (A) Friable (B) Ductile (C) Brittle (D) None of these

Last Answer : (B) Ductile

A protoplast is a cell (a) undergoing division (b) without cell wall (c) without plasma membrane (d) without nucleus.

Description : A protoplast is a cell (a) undergoing division (b) without cell wall (c) without plasma membrane (d) without nucleus.

Last Answer : (b) without cell wall

A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of (a) fats (b) amino acids (c) glucose (d) ketones.

Description : A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of (a) fats (b) amino acids (c) glucose (d) ketones.

Last Answer : d) ketones.

For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will (A) Increase (B) Decrease (C) Increase or decrease depending on the fuel type (D) Not change

Description : For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will (A) Increase (B) Decrease (C) Increase or decrease depending on the fuel type (D) Not change

Last Answer : (B) Decrease

For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant(A) Is independent of pressure(B) Increases with pressure(C) Decreases with pressure(D) Increases /decreases with pressure depending on the stoichiometric co￾efficients of the reaction

Description : For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant (A) Is independent of pressure (B) Increases with pressure (C) Decreases with pressure (D) Increases /decreases with pressure depending on the stoichiometric co￾efficients of the reaction

Last Answer : (B) Increases with pressure

Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent? (a) CH3CH2NH2 (b) (CH3CH2)2NH (c) (CH3CH2)3N (d) (CH3)3N

Description : Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent? (a) CH3CH2NH2 (b) (CH3CH2)2NH (c) (CH3CH2)3N (d) (CH3)3N

Last Answer : CH3CH2NH2

The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is: (A) 0.875 (B) 0.5 (C) 0.425 (D) Data insufficient to calculate

Description : The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is: (A) 0.875 (B) 0.5 (C) 0.425 (D) Data insufficient to calculate

Last Answer : (A) 0.875

The second law of thermodynamics states that (A) The energy change of a system undergoing any reversible process is zero (B) It is not possible to transfer heat from a lower temperature to a higher temperature (C) The total energy of system and surrounding remains the same (D) None of the above

Description : The second law of thermodynamics states that (A) The energy change of a system undergoing any reversible process is zero (B) It is not possible to transfer heat from a lower temperature to a higher temperature (C) The total energy of system and surrounding remains the same (D) None of the above

Last Answer : (D) None of the above

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot? (A) Temperature - entropy (B) Temperature - pressure (C) Enthalpy - entropy

Description : For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot? (A) Temperature - entropy (B) Temperature - pressure (C) Enthalpy - entropy

Last Answer : (A) Temperature - entropy

Limestone is added in the blast furnace (during pig iron manufacture) to (A) Form slag by combining with impurities (B) Supply heat by undergoing exothermic reaction with impurities (C) Reduce the coke consumption (D) Reduce slag viscosity

Description : Limestone is added in the blast furnace (during pig iron manufacture) to (A) Form slag by combining with impurities (B) Supply heat by undergoing exothermic reaction with impurities (C) Reduce the coke consumption (D) Reduce slag viscosity

Last Answer : Option A

What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen tanks) that contains metal or metal parts enters the room where the MRI is located. The magnetic field generated by the unit is so strong that any metal-containing items will be strongly attracted and can literally be pulled away with such great force that they can fly like projectiles towards the magnet.

Description : What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the ... oxygen tanks) that contains metal or metal parts enters the room where the MRI is located.

Last Answer : a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen ... literally be pulled away with such great force that they can fly like projectiles towards the magnet.

In general, chest drainage tubes are not used for the patient undergoing a) Pneumonectomy Usually, no drains are used for the pneumonectomy patient because the accumulation of fluid in the empty hemithorax prevents mediastinal shift. b) Lobectomy With lobectomy, two chest tubes are usually inserted for drainage, the upper for air and the lower for fluid c) Wedge resection With wedge resection, the pleural cavity usually is drained because of the possibility of an air or blood leak d) Segmentectomy With segmentectomy, drains are usually used because of the possibility of an air or blood leak.

Description : In general, chest drainage tubes are not used for the patient undergoing a) Pneumonectomy Usually, no drains are used for the pneumonectomy patient because the accumulation of fluid in the empty ... With segmentectomy, drains are usually used because of the possibility of an air or blood leak.

Last Answer : a) Pneumonectomy Usually, no drains are used for the pneumonectomy patient because the accumulation of fluid in the empty hemithorax prevents mediastinal shift.