ap exam

Which of the following statements of the endocrine system are true?

Secretes hormones into the blood stream

Protein based hormones exert their effects by

Activating outside the cell

What’s the mechanism whereby one endocrine gland stimulates one endocrine glands to secrete a hormone, which in turn cause the first endocrine gland to stop production of its own hormone?

Negative feedback loop

What is the pineal gland secrete?

Melatonin

What would you expect to occur in response in increasing blood levels of calcium?

Thyroid gland to secrete calcitonin

How does the thyroid hormone affect heat production?

Stimulates metabolism which increases warmth

Which cells increase the hormone insulin?

Beta cells

In an adult where can red blood marrow be found?

The ends of long bones such at the end in flat in irregular bones

The stimulus for the reprduction of new red blood cells are?

Decrease in oxygen

What is eyrtero and how it’s secreted?

Secreted by the kidneys in response to low oxygen levels

What is the most likely outcome of mitral valve incompetence?

Blood flows back into the right atrium

In which areas of the brain does the cardiac center live?

Medulla

What causes myocardial infarction?

Blood clot of fatty deposit artery

The coronary arteries arise from which major of artery?

Ascending aorta

The most common site of routine assessment of the heart rate?

Radial

What’s the cardiac impulse order

SA node

Atria

AV node

Bundle of his

Bundle branches

Purkinje fibers

What’s the correct progression of the heart and the lungs?

Body> right atrium > tri valve> Right ventricle > pulmonary valve > pulmonary arteries > lungs > pulmonary veins > left atrium > mitral (bi) valve> left ventricle >aortic valve > aorta