The valves of the heart allow blood to flow in different directions through the heart based upon the pressure differences from the pulmonary and systemic circulations.
a. true
b. false
b. false
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Which of the following blood pressure readings would be indicative of hypertension?
A) 120/80 in a 30-year-old man B) 140/90 in a 70-year-old woman C) 170/96 in a 50-year-old man D) 110/60 in a 20-year-old woman
The condition known as shock is characterized by a decreased return of venous blood to the heart. How could an upsetting situation such as the sight of a tragic accident or very bad news produce shock?
What will be an ideal response?
Which artery supplies blood to the brachium?
A) axillary artery B) esophageal arteries C) subscapular artery D) costocervical artery
Saturated fats ________
A) have two fatty acid chains B) exist as solids at room temperature C) are formed from four interlocking carbon rings D) contain many double bonds E) exist as liquids and are derived from plants