About 70% of the ventricle filling is achieved passively without the contraction of the atria.

Answer the following statement true (T) or false (F)


True

Anatomy & Physiology

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Which type of skin cancer is the most dangerous because it is highly metastatic and resistant to chemotherapy?

A. squamous cell carcinoma B. adenoma C. melanoma D. basal cell carcinoma

Anatomy & Physiology

Membrane-bound proteins that use metabolic energy to move ions across the plasma membrane are called ________ pumps

A) channel B) receptor C) active D) motor E) ion

Anatomy & Physiology

Why is high blood pressure damaging to the heart?

A. With high blood pressure, the blood is more viscous and harder to pump. B. The heart rate slows down to dangerously low levels if blood pressure is too high. C. Due to increased afterload, the left ventricle must contract more forcefully to expel the same amount of blood. D. Sodium concentration increases during high blood pressure and is toxic to the myocardium.

Anatomy & Physiology

The statement "a rotating body will maintain a state of constant angular motion unless acted on by an external torque" refers to which of the following?

A. Newton's first law of inertia B. Newton's second law of acceleration C. Newton's third law of action/reaction D. none of the above

Anatomy & Physiology