Which of the following parts of neuron transmits impulses away from the cell body?

Correct Answer: C

Rationale: The correct answer is C: Axon. The axon is the part of the neuron that transmits impulses away from the cell body towards other neurons or target cells. It is coated with a myelin sheath, which helps speed up the transmission of impulses. Dendrites (A) receive signals from other neurons, the neurolemma (B) is the outermost layer of the myelin sheath, and the synapse (D) is the junction between two neurons where neurotransmitters are released. Therefore, the axon is the only part of the neuron specifically responsible for transmitting impulses away from the cell body.

Correct Answer: D

Rationale: The correct answer is D: Understands discharge instructions. This is crucial for patient safety and recovery post-surgery. Understanding discharge instructions ensures patients know how to care for themselves at home, manage medications, recognize warning signs, and follow-up instructions. Choice A is incorrect as patients should not drive after surgery due to potential impairment. Choice B is incorrect as IV narcotics administration timing is not a discharge criterion. Choice C is irrelevant to the patient's readiness for discharge. Understanding discharge instructions is the key factor in ensuring the patient's well-being and recovery after ambulatory surgery.

Correct Answer: D

Rationale: The correct answer is D because it involves collaboration with the client to validate their experience. It shows respect for the client's perspective and promotes open communication. Choice A is incorrect as it lacks client involvement. Choice B is incorrect as it focuses on the nurse's interpretation rather than the client's experience. Choice C is incorrect as it may come off as accusatory or judgmental, lacking empathy.

Correct Answer: C

Rationale: The correct answer is C because firm skin turgor indicates adequate hydration, a key goal of fluid resuscitation in diarrhea management. Firm skin turgor reflects the body's fluid balance and hydration status. When fluid resuscitation is successful, the patient's skin turgor improves due to replenished fluid levels. Choices A, B, and D are incorrect as they do not directly assess hydration status or the effectiveness of fluid resuscitation. Passing formed stools, decrease in stool frequency, and absence of perianal burning may be positive outcomes in diarrhea management, but they do not specifically indicate successful fluid resuscitation.

Correct Answer: A

Rationale: The correct answer is A: Filtration. Albumin is a large protein molecule that cannot pass through the semipermeable membrane of blood vessels. Therefore, the shift of body fluids associated with intravenous albumin administration occurs through the process of filtration, where fluid moves across the membrane due to a pressure difference. Osmosis (B) involves the movement of water across a semipermeable membrane, which is not the case for albumin. Diffusion (C) is the movement of molecules from an area of high concentration to low concentration, which is not how albumin moves. Active transport (D) requires energy to move substances against a concentration gradient, which is not the mechanism for albumin movement in the body.

Correct Answer: A

Rationale: The correct answer is A: Phagocytosis. Macrophages and neutrophils are both types of phagocytes responsible for engulfing and digesting pathogens such as bacteria. This process helps in clearing infections and maintaining immune homeostasis. Summary: - Choice B (Complement fixation) is incorrect as it refers to a process where complement proteins bind to pathogens to enhance their removal by phagocytes. - Choice C (Antibody production) is incorrect as macrophages and neutrophils do not produce antibodies. They mainly rely on phagocytosis for pathogen clearance. - Choice D (Suppression of autoimmunity) is incorrect as these cells are involved in innate immunity and do not play a direct role in regulating autoimmunity.

Correct Answer: C

Rationale: The correct answer is C: Bleeding gums and dark tarry stools. Thrombocytes are platelets responsible for blood clotting. Medications that depress thrombocytes can lead to decreased clotting ability, resulting in bleeding tendencies. Bleeding gums and dark tarry stools are common signs of bleeding due to decreased platelet function. A: Sore throat and swollen glands are more indicative of a possible infection or inflammation, not related to thrombocyte depression. B: Pernicious anemia with weakness is associated with vitamin B12 deficiency, not directly related to thrombocyte depression. D: Thickening of blood and bruising are not typical signs of decreased platelet function, but rather may be indicative of other conditions like clotting disorders.

Correct Answer: A

Rationale: Correct Answer: A Rationale: 1. Asking if the patient feels the need to go to the bathroom helps assess urgency. 2. Urinary retention may lead to the inability to sense the urge to void. 3. This question directly addresses the issue of voiding, crucial in diagnosing urinary retention. Summary: B: Mobility is not directly related to urinary retention. C: Medication timing is important but not directly related to urinary retention. D: Safety rail inquiry is more related to fall prevention, not urinary retention.

Correct Answer: A

Rationale: The correct answer is A: Hyperkalemia. In hemodialysis, potassium levels can be elevated due to impaired renal excretion. High potassium can lead to muscle weakness and numbness. The client's K level of 5.9 mEq/L is above the normal range (3.5-5.0 mEq/L), confirming hyperkalemia. Na, Cl, and Ca levels are within normal limits, ruling out hypernatremia, hypochloremia, and hypocalcemia as the client's primary electrolyte imbalance. Monitoring and managing hyperkalemia are crucial to prevent life-threatening complications like cardiac arrhythmias.