ATI RN
ATI Pathophysiology Exam
1. A woman is being treated with clomiphene citrate for the treatment of infertility. She states to the nurse that she has seen an increase in vaginal discharge. The nurse knows that this effect is related to:
- A. Increased blood flow to the vaginal area.
- B. Increased cervical mucus production.
- C. Increased production of vaginal secretions.
- D. Increased lubrication in the vaginal canal.
Correct answer: C
Rationale: The correct answer is C: 'Increased production of vaginal secretions.' Clomiphene citrate affects cervical mucus production, leading to an increase in vaginal secretions. This effect is beneficial for fertility as it helps create a more hospitable environment for sperm transport. Choice A, 'Increased blood flow to the vaginal area,' is incorrect as the increase in vaginal discharge is primarily due to changes in cervical mucus. Choice B, 'Increased cervical mucus production,' is partially correct but does not fully explain the increase in vaginal secretions. Choice D, 'Increased lubrication in the vaginal canal,' is not directly related to the effect seen with clomiphene citrate treatment for infertility.
2. A patient underwent an open cholecystectomy 4 days ago, and her incision is now in the proliferative phase of healing. The nurse knows that the next step in the process of wound healing is:
- A. Inflammation
- B. Maturation
- C. Remodeling
- D. Coagulation
Correct answer: C
Rationale: In the context of wound healing, after the proliferative phase comes the remodeling phase. During the remodeling phase, the wound gains strength as collagen fibers reorganize, and the scar matures. Inflammation is the initial phase of healing, where the body responds to injury with redness, swelling, and warmth. Maturation is the final stage where the scar tissue continues to undergo changes but is not the immediate next step after the proliferative phase. Coagulation is the process of blood clot formation and is not a phase in wound healing.
3. Hematopoiesis occurs primarily in the bone marrow. What cells are formed during this process?
- A. Pancreatic beta cells
- B. Red blood cells
- C. Gastric parietal cells
- D. Neurons and glial cells
Correct answer: B
Rationale: The correct answer is B: Red blood cells. Hematopoiesis is the process of blood cell formation that primarily occurs in the bone marrow. Red blood cells are one of the main cell types formed during this process. Pancreatic beta cells (Choice A), gastric parietal cells (Choice C), and neurons and glial cells (Choice D) are not formed during hematopoiesis. Pancreatic beta cells are involved in insulin production, gastric parietal cells secrete gastric acid, and neurons and glial cells are part of the nervous system.
4. During an assessment of a male client suspected of having a disorder of motor function, which finding would suggest a possible upper motor neuron (UMN) lesion?
- A. Hypotonia
- B. Hyperreflexia
- C. Muscle atrophy
- D. Fasciculations
Correct answer: B
Rationale: Hyperreflexia, or exaggerated reflexes, is a common sign of an upper motor neuron (UMN) lesion. An UMN lesion indicates damage to the central nervous system pathways that control movement. Hypotonia (choice A) refers to reduced muscle tone, which is more indicative of lower motor neuron lesions. Muscle atrophy (choice C) suggests long-standing denervation or disuse of muscles. Fasciculations (choice D) are involuntary muscle contractions that can be seen in lower motor neuron lesions, like in amyotrophic lateral sclerosis (ALS), rather than UMN lesions.
5. A patient with osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic action of this medication?
- A. It decreases bone resorption and increases bone density.
- B. It stimulates the formation of new bone.
- C. It increases calcium absorption in the intestines.
- D. It increases the excretion of calcium through the kidneys.
Correct answer: A
Rationale: The correct answer is A. Raloxifene works by decreasing bone resorption and increasing bone density. This helps in preventing further bone loss and reducing the risk of fractures in patients with osteoporosis. Choice B is incorrect because raloxifene does not stimulate the formation of new bone, but rather helps to maintain existing bone mass. Choice C is incorrect as raloxifene does not directly increase calcium absorption in the intestines. Choice D is also incorrect as raloxifene does not increase the excretion of calcium through the kidneys.
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