If a myocardial infarction results in the formation of scar tissue along the pathway of the left bundle branch,
A) blood flow to the lungs will decrease.
B) the ventricle will contract more forcefully.
C) the right ventricle will fail to contract.
D) cardiac arrhythmias may occur.
E) conduction through the left ventricle would remain normal.
D) cardiac arrhythmias may occur.
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Cortisol is useful in controlling inflammation reactions because it
A) destabilizes lysosomal membranes. B) decreases blood flow. C) decreases the permeability of capillaries. D) increases synthesis of prostaglandins.
Identify the function for which the endocrine system is NOT responsible.
A. Controls development and functions of the reproductive system B. Regulates equilibrium and balance from the inner ear C. Regulates the rate of metabolism D. Regulates heart rate and blood pressure E. Prepares the body for physical activity and stress
Which structure delivers venous blood from the tissues and organs of the abdominal and pelvic cavities, and from the lower limbs?
A) coronary veins B) pulmonary trunk C) superior vena cava D) fossa ovalis E) inferior vena cava
The dominant cerebral hemisphere of the brain
A) is for emotional status. B) is for interpretation of art and music. C) performs analytical tasks. D) controls vital functions such as blood pressure and heart rate. E) controls emotions.