Biology Answers

All are assessment findings of pericarditis EXCEPT?

1. Ankle oedema.

2. Substernal pain.

3. Friction rubs.

4. Elevated WBC count. 

One of the most common causes of valvular heart disease is .

1. hypertension

2. tobacco smoking

3. diabetes

4. alcoholism 

Atrial fibrillation is a common symptom that only occurs with .

1. mitral stenosis

2. mitral regurgitation

3. aortic stenosis

4. aortic regurgitation

Which of the following is NOT the symptom of heart failure?

1. Headache.

2. Shortness of breath.

3. Fluid accumulation.

4. Chest pain.

Which of the following decreases blood volume by increasing the excretion of sodium and fluids?

1. renin.

2. digitalis.

3. nitroglycerin.

4. diuretics. 

Which of the following is NOT a risk factor for cardiovascular disease?

1. Consumption of aspirin.

2. Cigarette smoking.

3. Elevated blood cholesterol.

4. Obesity stress

1. Why atherosclerosis is especially dangerous when found in the coronary arteries?

1. It can lead to coronary artery disease.

2. It can cause a heart attack.

3. It can restrict blood flow to the heart muscle.

4. It can cause myocardial infarction.

Does the mitochondrial matrix ever run out of protons for pumping in oxidative phosphorylation?

Gene Therapy

Write 3 paragraphs, 3-5 sentences long, on how this technique is used in an industrial, pharmaceutical, or hospital setting.

Use 3-4 sentences.

Explain the difference between prokaryotic and eukaryotic transcription.

Explain the difference between an activator and a repressor?

Explain the difference between a promoter and an enhancer?

Explain the difference between an intron and an exon?

Explain what happens when eIF-2 is phosphorylated and when it is not phosphorylated?