How many steps are involved in the extrinsic pathway to the clotting cascade?

a. eight
b. seven
c. six
d. five
e. four


e

Anatomy & Physiology

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The QRS complex in an electrocardiogram best represents:

A. depolarization of the atria B. repolarization of the atria C. depolarization of the ventricles D. repolarization of the ventricles E. the delay at the AV node

Anatomy & Physiology

The ____ act like the male sex hormones

a. stimulants
b. depressants
c. anabolic steroids
d. hallucinogens

Anatomy & Physiology

When central chemoreceptors detect a drop in the pH of the cerebrospinal fluid,

A. the vagus and phrenic nerves stimulate decreased production of the catalyst carbonic anhydrase. B. pontine respiratory centers trigger a decrease in rate and depth of breathing. C. medullary respiratory centers trigger a decrease in rate and depth of breathing. D. medullary respiratory centers trigger an increase in rate and depth of breathing.

Anatomy & Physiology

Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is the condition of the RBC in solution "C"?

A. Crenated B. Coagulated C. Phagocytized D. Normal E. Hemolyzed

Anatomy & Physiology