Nursing Elites

1. Which of the following are signs and symptoms of myocardial infarction?

• A. Persistent chest pain which may radiate to the arm
• B. Brief sternal chest pain on inspiration
• C. Rapid respirations with left-sided weakness and numbness
• D. Left upper quadrant abdominal pain which radiates to the back and shoulder

Correct answer: A

Rationale: The correct answer is A. Persistent chest pain that may radiate to the arm is a classic symptom of myocardial infarction. This pain is typically described as crushing, pressure-like, or squeezing. Choice B is incorrect because brief sternal chest pain on inspiration is not characteristic of myocardial infarction. Choice C is incorrect because rapid respirations with left-sided weakness and numbness are not typical symptoms of myocardial infarction. Choice D is incorrect because left upper quadrant abdominal pain that radiates to the back and shoulder is not a common presentation of myocardial infarction.

2. The neurotransmitter GABA mainly functions to trigger inhibitory postsynaptic potentials (IPSPs). Therefore, when explaining this to a group of nursing students, the nurse will state:

• A. It takes at least three chemical substances (amino acids, neuropeptides, and monoamines) to stimulate any activity between the cells.
• B. There is a symbiotic relationship; therefore, the end result will be depolarization of the postsynaptic membrane.
• C. The combination of GABA with a receptor site is inhibitory since it causes the local nerve membrane to become hyperpolarized and less excitable.
• D. The neurotransmitters will interact with cholinergic receptors to bind to acetylcholine in order to produce hypopolarization within the cell.

Correct answer: C

Rationale: When GABA binds with a receptor site, it causes hyperpolarization of the local nerve membrane, making it less excitable. This hyperpolarization leads to inhibition of nerve cell activity. Choice A is incorrect because GABA is a neurotransmitter itself and does not require three chemical substances to stimulate activity between cells. Choice B is incorrect as GABA triggers inhibitory postsynaptic potentials (IPSPs), leading to hyperpolarization, not depolarization, of the postsynaptic membrane. Choice D is also incorrect as it describes a process involving cholinergic receptors and acetylcholine, which is unrelated to GABA's mechanism of action.

3. Which of the following describes inflammation of the bladder lining?

• A. Incontinence
• B. Pyelonephritis
• C. Urinary calculi
• D. Cystitis

Correct answer: D

Rationale: The correct answer is D, Cystitis. Cystitis specifically refers to the inflammation of the bladder lining. Choice A, Incontinence, refers to the loss of bladder control and is not related to inflammation. Choice B, Pyelonephritis, is the inflammation of the kidney and renal pelvis, not the bladder lining. Choice C, Urinary calculi, refers to the formation of stones in the urinary tract and is not related to bladder inflammation.

4. When educating a patient starting on oral contraceptives, what should the nurse include regarding the medication's effectiveness?

• A. Oral contraceptives are 100% effective when taken correctly.
• B. Oral contraceptives are effective immediately after starting.
• C. Oral contraceptives are less effective if taken with certain antibiotics.
• D. Oral contraceptives are less effective if taken with food.

Correct answer: C

Rationale: The correct answer is C. Oral contraceptives can be less effective when taken with certain antibiotics due to potential drug interactions. It is crucial for patients to be informed about this to consider additional contraceptive methods during antibiotic therapy. Choice A is incorrect because while oral contraceptives are highly effective, they are not 100% foolproof. Choice B is incorrect as it may give the impression that immediate protection is conferred, which is not the case. Choice D is incorrect as taking oral contraceptives with food does not significantly impact their effectiveness.

5. A patient is taking medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What should the nurse teach the patient about this medication?

• A. Medroxyprogesterone should be taken with food to prevent nausea.
• B. Medroxyprogesterone should be taken at the same time each day to maintain consistent hormone levels.
• C. Medroxyprogesterone can be taken intermittently when symptoms worsen.
• D. Medroxyprogesterone should be stopped if side effects occur.

Correct answer: B

Rationale: The correct answer is B. Medroxyprogesterone should be taken at the same time each day to maintain consistent hormone levels and effectiveness. Choice A is incorrect because medroxyprogesterone does not necessarily need to be taken with food. Choice C is incorrect as it is typically prescribed continuously rather than intermittently. Choice D is incorrect because patients should not stop the medication if side effects occur without consulting their healthcare provider.

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