A drop of blood returning from the big toe would enter the heart through what vessel?
A. Superior vena cava
B. Inferior vena cava
C. Coronary sinus
D. Pulmonary veins
E. Azygous vein
B. Inferior vena cava
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In response to respiratory alkalosis,
A) the respiratory rate increases. B) the chemoreceptors in the carotid and aortic bodies are further stimulated. C) the kidneys conserve bicarbonate. D) the kidneys secrete more hydrogen ions. E) the respiratory rate decreases.
Dense regular collagenous connective tissue would be found in
A. the brain. B. a lymph node. C. a skull bone. D. a ligament. E. a nerve.
Depolarization of a postsynaptic neuron in response to a neurotransmitter is called an ___ postsynaptic potential.
Fill in the blank(s) with the appropriate word(s).
FSH and LH are collectively known as gonadotropins
Indicate whether the statement is true or false