In the preoperative assessment of a patient for the likelihood of postoperative risk, ascorbic acid deficiency, anemia, and volume contraction are all risk factors for

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Question 1 of 9

In the preoperative assessment of a patient for the likelihood of postoperative risk, ascorbic acid deficiency, anemia, and volume contraction are all risk factors for

Correct Answer: D

Rationale: Step-by-step rationale for why choice D (Atelectasis) is correct: 1. Ascorbic acid deficiency can lead to impaired lung function, increasing the risk of atelectasis. 2. Anemia can cause decreased oxygen-carrying capacity, contributing to atelectasis. 3. Volume contraction can lead to reduced lung expansion, further predisposing to atelectasis. Summary: - Choice A (Prolonged intubation): Intubation duration is more related to respiratory complications, not directly linked to the mentioned risk factors. - Choice B (Thromboembolism): Risk factors like immobility and hypercoagulability are more relevant to thromboembolism. - Choice C (Delayed wound healing): More associated with factors like malnutrition and impaired immune function rather than the mentioned risk factors.

Question 2 of 9

Which of the following is an indication for forceps delivery?

Correct Answer: B

Rationale: The correct answer is B: Occipito posterior position. Forceps delivery may be indicated in this situation to help rotate the baby's head and facilitate delivery. Occipito posterior position can lead to prolonged labor and fetal distress, making forceps delivery necessary for a safe delivery. Incorrect choices: A: Cephalopelvic disproportion is not an indication for forceps delivery as it refers to mismatch between the size of the baby's head and the mother's pelvis. C: Breech presentation typically requires a different approach such as cesarean section rather than forceps delivery. D: Placenta abruption, a medical emergency, would not be managed with forceps delivery but rather require immediate intervention to prevent harm to both the mother and baby.

Question 3 of 9

Incidental antepartum haemorrhage is also referred to as

Correct Answer: C

Rationale: The correct answer is C: Extraplacental haemorrhage. Incidental antepartum haemorrhage refers to bleeding from a source other than the placenta, such as the cervix or vagina, before delivery. Intraplacental haemorrhage (choice A) refers to bleeding within the placenta itself, not outside it. Intrapartum haemorrhage (choice B) occurs during labor and delivery, not before. Preterm haemorrhage (choice D) is not a specific term used to describe antepartum bleeding. Therefore, the correct term for antepartum bleeding from a non-placental source is extraplacental haemorrhage.

Question 4 of 9

In uterine inversion, the last part to be replaced is the

Correct Answer: B

Rationale: In uterine inversion, the fundus is the last part to be replaced due to its position being the deepest inside the vagina. The fundus is the upper portion of the uterus and is the last part to invert back into its normal position. The cervix, isthmus, and body are parts of the uterus that are more easily replaced during the process of uterine inversion. The fundus being the final part to be replaced ensures the uterus is fully restored to its correct orientation.

Question 5 of 9

The progression of coronary artery plaque formation can lead to a variety of pathologic conditions. When subtotal plaque disruption occurs resulting in vasoconstriction, platelet activation, and embolization, it most commonly causes which clinical phenomenon?

Correct Answer: C

Rationale: The correct answer is C: Transmural myocardial infarction. Subtotal plaque disruption leads to vasoconstriction, platelet activation, and embolization, causing complete occlusion of a coronary artery. This results in ischemia of the entire thickness of the myocardial wall, leading to transmural myocardial infarction. Endothelial cell dysfunction (A) is an early event in atherosclerosis but does not directly result from subtotal plaque disruption. Prinzmetal's angina (B) is caused by transient coronary artery spasm rather than plaque disruption. Non-ST elevation myocardial infarction (D) involves incomplete blockage of a coronary artery and typically does not result from subtotal plaque disruption.

Question 6 of 9

Icterus gravis and hydrops fetalis are conditions highly associated with:

Correct Answer: A

Rationale: The correct answer is A: Rhesus D incompatibility. Icterus gravis (severe jaundice) and hydrops fetalis (abnormal accumulation of fluid) are both conditions commonly associated with Rhesus D incompatibility between a mother and her fetus. This occurs when the mother is Rh-negative and the fetus is Rh-positive, leading to maternal antibodies attacking the fetal red blood cells, resulting in severe hemolytic anemia and subsequent complications. Explanation for why other choices are incorrect: B: ABO incompatibility typically leads to less severe jaundice and hemolytic disease compared to Rhesus D incompatibility. C: Physiological jaundice is a common and benign condition in newborns caused by the immaturity of the liver, not by blood type incompatibility. D: Instant perinatal death is not specifically associated with these conditions, but rather with other serious complications during childbirth.

Question 7 of 9

The AGACNP is evaluating a patient who reportedly fell down a flight of steps. Her history is significant for several emergency room visits, but she denies any significant medical conditions. Some documentation in her chart indicates that she may have been subjected to physical abuse. Today she presents with a periorbital ecchymosis of the left eye and swelling in the left side of the face. Her neurologic examination is within normal limits. Which head imaging study would be most useful in assessing for findings consistent with a history of abuse?

Correct Answer: B

Rationale: The correct answer is B: CT scan without contrast. A CT scan is the most useful imaging study in assessing for findings consistent with a history of abuse in this patient. CT scan is preferred for acute trauma to the head as it provides detailed images of the brain, skull, and facial bones. It can detect acute hemorrhages, fractures, or other signs of trauma. In this case, the patient's presentation with periorbital ecchymosis and facial swelling raises suspicion for traumatic injury, which can be assessed effectively with a CT scan. Radiographs (choice A) are not as sensitive as CT scans in detecting subtle fractures or soft tissue injuries in the head and face. MRI (choice C) is not typically used in acute trauma assessment and may not provide timely information needed in this case. PET scan (choice D) is not indicated for evaluating traumatic head injuries and is more commonly used for assessing metabolic and functional activity in the body.

Question 8 of 9

A general principle in surgical oncology is that the best approach to curative surgery in a fixed tumor requires

Correct Answer: D

Rationale: The correct answer is D: Elective lymph node dissection. This is because elective lymph node dissection helps to remove potentially cancerous lymph nodes, aiding in staging and ensuring complete tumor removal, thus improving the chances of curative surgery. En bloc resection (A) is important but may not always be feasible in fixed tumors. Adjuvant therapies (B) are used after surgery, not as the primary approach. Neoadjuvant therapies (C) are given before surgery to shrink tumors, not specifically for fixed tumors.

Question 9 of 9

Which one of the following fetal positions is associated with intense back pain during labor?

Correct Answer: C

Rationale: The correct answer is C: Occipito-posterior. This position occurs when the baby's head is facing forward but towards the mother's spine. This position can cause intense back pain during labor because the baby's head puts pressure on the mother's lower back. Occipito-anterior (A) is the most common and ideal position for labor. Transverse position (B) is when the baby is lying sideways, which may cause prolonged labor but not necessarily intense back pain. Occipito-lateral (D) is a less common position where the baby's head is facing sideways, which may not specifically cause intense back pain.

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