Which are conditions that may be treated using beta blockers? (Select all that apply.)

Cardiac dysrhythmias

Hypotension

Hypothyroidism

Heart failure

Stage fright

Answer and Explanation

Correct Answer : A,D,E

Choice A reason: Beta blockers are commonly used to treat cardiac dysrhythmias (irregular heartbeats). They work by blocking the effects of adrenaline on the heart, which helps to reduce the heart rate and regulate the rhythm. This makes beta blockers effective in managing conditions such as atrial fibrillation, ventricular arrhythmias, and supraventricular tachycardia.

Choice B reason: Hypotension (low blood pressure) is not typically treated with beta blockers. In fact, beta blockers can sometimes lower blood pressure, so they are usually avoided in patients with pre-existing hypotension. Instead, other medications or treatments are used to manage low blood pressure.

Choice C reason: Hypothyroidism (underactive thyroid) is not treated with beta blockers. The primary treatment for hypothyroidism is thyroid hormone replacement therapy, usually with levothyroxine. Beta blockers do not address the underlying issue of thyroid hormone deficiency and are not used in the management of this condition.

Choice D reason: Beta blockers are used to treat heart failure, particularly in patients with systolic heart failure. They help to reduce the workload on the heart, improve heart function, and decrease the risk of hospitalization and mortality. By slowing the heart rate and reducing the force of contraction, beta blockers can help to manage symptoms and improve outcomes in heart failure patients.

Choice E reason: Beta blockers are used to treat stage fright (performance anxiety) because they help to control physical symptoms of anxiety, such as rapid heart rate, trembling, and sweating. By blocking the effects of adrenaline, beta blockers can help individuals feel calmer and more composed during stressful situations, such as public speaking or performing in front of an audience.

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Correct Answer is A

Explanation

Choice A reason: There is a 50% chance that the offspring will be affected by the recessive disorder. If the mother is affected (homozygous recessive, aa) and the father is a carrier (heterozygous, Aa), each child has a 50% chance of inheriting the affected gene (a) from both parents, resulting in the child being homozygous recessive (aa) and thus affected by the disorder.

Choice B reason: There is not a 100% chance that the offspring will be affected. While there is a high probability (50%) that the offspring will be affected, it is not certain that all children will inherit the condition.

Choice C reason: There is not a 25% chance that the offspring will be a carrier. In this case, the offspring have a 50% chance of being carriers (heterozygous, Aa) and a 50% chance of being affected (homozygous recessive, aa).

Choice D reason: There is not a 25% chance that the offspring will be affected. The correct probability for being affected is 50%, not 25%.

A. Severe hypotension B. Acute tubular necrosis C. Bilateral kidney stones which are partially blocking the flow of urine D. Glomerulonephritis

Correct Answer is C

Explanation

Choice A reason: Severe hypotension is associated with prerenal acute kidney injury, not postrenal. Prerenal acute kidney injury results from decreased blood flow to the kidneys due to conditions like severe hypotension, leading to reduced kidney perfusion.

Choice B reason: Acute tubular necrosis (ATN) is a form of intrinsic or intrarenal acute kidney injury, not postrenal. ATN is typically caused by prolonged ischemia or exposure to nephrotoxic agents, which directly damage the kidney tubules.

Choice C reason: Postrenal acute kidney injury is caused by an obstruction in the urinary tract that prevents urine from leaving the kidneys, leading to increased pressure and kidney damage. Bilateral kidney stones partially blocking the flow of urine can cause such an obstruction, leading to postrenal acute kidney injury.

Choice D reason: Glomerulonephritis is a type of intrinsic or intrarenal acute kidney injury, not postrenal. It involves inflammation and damage to the glomeruli, the filtering units within the kidneys, and is not typically caused by an obstruction in the urinary tract.

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Which are conditions that may be treated using beta blockers? (Select all that apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A couple seeks counseling about the risk of their child developing a recessive disorder. The woman is affected and upon further testing it is determined that the man is a carrier. Which of the following is true?

Correct Answer is A

Explanation

Postrenal acute kidney injury may be caused by:

Correct Answer is C

Explanation

Appropriate therapy for prerenal kidney injury includes:

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