Hypertension Overview Quiz

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Questions and Answers

What is the minimum systolic blood pressure that defines hypertension?

130 mm Hg

140 mm Hg (correct)

120 mm Hg

150 mm Hg

Which type of hypertension accounts for 95% of cases and has no specific identifiable cause?

Secondary Hypertension

Primary Hypertension (correct)

Renal Hypertension

Malignant Hypertension

Which of the following conditions is a known cause of secondary hypertension?

Chronic Stress

Kidney Disease (correct)

Obesity

Hypertension Induced by Caffeine

Which mechanism is a notable contributor to the pathophysiology of hypertension?

Increased sympathetic nervous system activity Signup and view all the answers

What is a major clinical manifestation of severe hypertension when target organ damage occurs?

Retinopathy Signup and view all the answers

Which test is typically used to assess for kidney damage in patients with high blood pressure?

Urinalysis Signup and view all the answers

What role does the renin-angiotensin-aldosterone system (RAAS) play in hypertension?

Increases blood volume and resistance Signup and view all the answers

Which of the following is NOT commonly associated with target organ damage from hypertension?

Respiratory failure Signup and view all the answers

How long apart should blood pressure measurements be taken to accurately diagnose hypertension?

1 to 4 weeks Signup and view all the answers

What is an aspect of insulin resistance related to hypertension?

It links hypertension to diabetes and obesity Signup and view all the answers

What is the primary purpose of echocardiography in patients with hypertension?

To assess left ventricular hypertrophy Signup and view all the answers

Which of the following is NOT a common risk factor for hypertension?

High fiber intake Signup and view all the answers

What is the treatment goal for blood pressure in adults under 60 years old?

Below 140/90 mm Hg Signup and view all the answers

Which dietary approach is recommended for managing hypertension?

DASH diet Signup and view all the answers

What class of medication works by blocking the conversion of angiotensin I to angiotensin II?

ACE inhibitors Signup and view all the answers

Which of the following nursing diagnoses is commonly associated with hypertension management?

Knowledge deficit Signup and view all the answers

What defines a hypertensive emergency?

BP > 180/120 mm Hg with target organ damage Signup and view all the answers

What is the desired reduction in blood pressure during the first hour of treatment for hypertensive emergencies?

20-25% Signup and view all the answers

Which intervention is most important for promoting adherence to treatment in hypertensive patients?

Providing education on disease management Signup and view all the answers

What is a recommended lifestyle change to help manage hypertension?

Reduce sodium intake Signup and view all the answers

Study Notes

Hypertension Definition

Hypertension is defined as a systolic blood pressure (SBP) of 140 mm Hg or higher or a diastolic blood pressure (DBP) of 90 mm Hg or higher based on two or more accurate BP measurements taken 1 to 4 weeks apart.

Types of Hypertension

Primary hypertension accounts for 95% of hypertension cases and has no identifiable cause.
Secondary hypertension accounts for 5% of hypertension cases and is caused by underlying conditions like kidney disease, renal artery stenosis, hyperaldosteronism, certain medications, or pregnancy.

Pathophysiology

Key mechanisms involved in hypertension include increased sympathetic nervous system activity, increased renal sodium, chloride, and water reabsorption, increased renin–angiotensin–aldosterone system (RAAS) activity, decreased vasodilation of arterioles, insulin resistance, and immune system activation leading to renal inflammation.

Clinical Manifestations

Hypertension is often asymptomatic, known as the "silent killer".
In severe cases, hypertension can lead to target organ damage, causing symptoms like eye damage, renal damage, heart disease, stroke, and peripheral arterial disease.

Assessment and Diagnostic Findings

History and physical exams focus on potential target organ damage.
Laboratory tests include urinalysis to check for kidney damage, blood chemistry to monitor sodium, potassium, creatinine, fasting glucose, and cholesterol levels, 12-lead ECG to detect heart problems, and echocardiography to assess left ventricular hypertrophy.

Risk Factors for Hypertension

Common risk factors for hypertension include age, family history, high salt intake, obesity, lack of exercise, smoking, excess alcohol consumption, and stress.

Medical Management

The goal of hypertension treatment is to lower BP below 140/90 mm Hg in most adults, or below 150/90 mm Hg in adults over 60-80 years old.

Lifestyle Modifications

Dietary changes include adopting the DASH diet, which is rich in fruits, vegetables, and low-fat dairy, and reducing sodium intake.
Increasing physical activity, quitting smoking, and limiting alcohol consumption are also recommended.

Pharmacologic Therapy

Medications used to manage hypertension include diuretics, beta-blockers, ACE inhibitors, calcium channel blockers, and angiotensin II receptor blockers (ARBs).

Nursing Process

Common nursing diagnoses for patients with hypertension include knowledge deficit and noncompliance.
Nursing interventions include increasing the patient's knowledge about the disease, treatment, and lifestyle changes, promoting adherence to medications and lifestyle changes, and monitoring for complications.

Hypertensive Crises

Hypertensive emergency occurs when BP is greater than 180/120 mm Hg with target organ damage, requiring immediate treatment to lower BP by 20-25% within the first hour, with a goal of 160/100 mm Hg over 6 hours.
Hypertensive urgency involves high BP but no evidence of organ damage, requiring normalization of BP within 24-48 hours.

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Description

Test your knowledge on hypertension, including its definitions, types, pathophysiology, and clinical manifestations. This quiz will help reinforce your understanding of how hypertension impacts health and the underlying mechanisms involved. Perfect for health students and professionals alike.