ATI RN

1. What is a characteristic of coronary artery disease (CAD)?

• A. The build-up of infectious by-products in the lymph nodes
• B. Insufficient delivery of oxygenated blood to the myocardium
• C. Insufficient delivery of carbon dioxide to the lungs
• D. The build-up of bile in the stomach and gall bladder

Correct Answer: B

Rationale: Coronary artery disease (CAD) is characterized by the insufficient delivery of oxygenated blood to the myocardium, which can lead to chest pain and other symptoms.

2. What condition can be caused by excessive amount of growth hormone released by the pituitary gland in childhood?

• A. Acromegaly
• B. Gigantism
• C. Syndrome of inappropriate antidiuretic hormone
• D. Dwarfism

Correct Answer: B

Rationale: Gigantism is a condition caused by excessive growth hormone release before the epiphyseal plates close, leading to abnormal growth.

3. Intracellular fluid contains a higher concentration of which of the following?

• A. Magnesium
• B. Sodium
• C. Chloride
• D. Bicarbonate

Correct Answer: A

Rationale: Magnesium is found in higher concentrations within intracellular fluid, playing crucial roles in cellular functions.

4. What causes secondary brain injury after head trauma?

• A. Brain injury resulting from the body’s response to tissue damage
• B. Brain injury resulting from initial trauma
• C. Injury as a result of medical therapy
• D. Focal areas of bleeding

Correct Answer: A

Rationale: Secondary brain injury results from the body's response to the initial damage, which can exacerbate the effects of the primary injury.

5. Which of the following organs are primarily affected by poorly managed hypertension?

• A. The bladder and urethra
• B. The brain and skin
• C. The heart and kidneys
• D. The stomach and intestines

Correct Answer: C

Rationale: Hypertension primarily affects the heart and kidneys, leading to complications such as heart failure and renal damage.