The function of the postcapillary venule is to
A. allow for diffusion of nutrients to the tissues.
B. allow for diffusion of metabolic wastes from the tissues.
C. drain the capillary bed.
D. supply metarteriole with blood.
E. allow for diffusion of nutrients and metabolic wastes.
C
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Which is TRUE regarding the regulation of heart rate?
A. Stimulation of parasympathetic nerves to the heart causes a slowing of heart rate. B. A person whose heart lacks autonomic innervation has a faster heart rate at rest than a person with a normally innervated heart. C. Stimulation of sympathetic nerves to the heart causes an increase in heart rate. D. The slope of diastolic depolarization in SA node cell action potentials determines the heart rate. E. All of the choices are true.
Which of the following layers is considered loosely organized connective tissue?
A. Mesoderm B. Ectoderm C. Endoderm D. Epidermis
The ____ cells of the pancreatic islets secrete insulin.
Fill in the blank(s) with the appropriate word(s).
List 5 important items that are essential to the veterinary assistant's professional appearance and should be kept in pockets at all times
What will be an ideal response?