Drugs known as calcium channel blockers can be used to
A) increase blood pressure.
B) decrease the force of cardiac contraction.
C) constrict the coronary arteries.
D) increase stroke volume.
E) increase sympathetic stimulation of the myocardium.
B) decrease the force of cardiac contraction.
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Which is a function of the placenta?
A) It stimulates fetal blood cell production. B) It produces hormones that keeps the pregnancy viable. C) It directs organogenesis. D) It is first immune organ of the fetus.
What is the origin of the postganglionic fibers that cause the pupil to dilate?
A. Optic ganglion B. Ciliary ganglion C. Splanchnic nerves D. Solar plexus E. Carotid plexus
The term anorexia means
a. tired or inactive c. difficulty urinating b. not eating d. vomiting
A ______________________ must be established for a veterinarian to prescribe medication
Fill in the blank(s) with correct word