A nurse is caring for a client who is pregnant and Rh-negative. The nurse should plan to monitor which of the following maternal laboratory test results to determine maternal-fetal blood incompatibility?
Homocysteine.
Indirect Coombs.
Erythropoietin.
aPTT.
The Correct Answer is B
The indirect Coombs test is used to detect antibodies against foreign red blood cells in the maternal serum. This test can help identify maternal-fetal blood incompatibility, which can cause hemolytic disease of the newborn.
Choice A is wrong because homocysteine is a type of amino acid and is not related to blood compatibility.
Choice C is incorrect because erythropoietin is a hormone that regulates red blood cell production and is not a specific test for detecting maternal-fetal blood incompatibility.
Choice D is not the correct answer as aPTT (activated partial thromboplastin time) is a test used to evaluate blood clotting factors and is not directly related to monitoring maternal-fetal blood incompatibility.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The nurse should offer the client a milkshake because it is a high-calorie, high- protein, and easy-to-consume food that can meet the nutritional needs of a client who is in the manic phase of bipolar disorder. Clients who are manic often have increased activity, decreased appetite, and poor attention span, which can lead to weight loss and malnutrition.
Choice A is wrong because Creamed corn is wrong because it is a low-protein, high-carbohydrate food that can increase blood glucose levels and cause mood swings.
Choice B is wrong because Mashed potatoes is wrong because it is a low-protein, high-starch food that can also affect blood glucose levels and mood stability.
Choice C is wrong because Spaghetti with meat sauce is wrong because it is a complex food that requires utensils and attention to eat, which can be difficult for a client who is manic and distractible.
Normal ranges for potassium are 3.5 to 5.0 mEq/L.
Correct Answer is B
Explanation
Obturator.

An obturator is a device that is inserted into the tracheostomy tube to guide it through the stoma and prevent tissue damage. It should be removed after the tube is inserted and kept near the bedside in case of accidental decannulation.
Choice A is wrong because povidone-iodine is an antiseptic solution that is not routinely used for tracheostomy care. It can cause skin irritation and damage to the mucous membranes.
Choice C is wrong because an irrigation set is not needed for a tracheostomy tube.
Irrigation can introduce bacteria and increase the risk of infection. It can also cause coughing and bleeding.
Choice D is wrong because hemostats are not used for a tracheostomy tube.
Hemostats are surgical instruments that are used to clamp blood vessels or tissues. They have no role in tracheostomy care.
Some other supplies that the nurse should place in the room are a trach tube the same size as the current tube and one size smaller, a portable suction machine with battery backup, and tubing that connects to the suction machine. Other supplies may include saline solution, syringes, gauze squares, gloves, a trachea tube brush, a waterproof drape, non-woven sponges, pipe cleaners, cotton tipped applicators, a T-drain sponge, twill tape, a trach holder, a speaking valve, a stoma cover, and a nebulizer.
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