Endocrine glands contain ducts
Indicate whether the statement is true or false
False
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An increase in plasma levels of ACTH leads to an increase in plasma _______ levels
a. cortisol b. glucagon c. vasopressin d. parathyroid hormone e. epinephrine
How do lymphatic capillaries differ from blood capillaries?
A. Lymphatic capillaries do not have a basement membrane. B. Lymphatic capillary epithelium act as one-way valves preventing movement of fluid back into interstitial spaces. C. Lymphatic capillaries are more permeable than blood capillaries. D. Simple squamous epithelial cells of lymphatics overlap with loose attachments. E. All of the choices are correct.
The liver is involved in the metabolism of each of the three major nutrient biomolecules
Indicate whether this statement is true or false.
A synapse includes:
a. a very narrow synaptic cleft b. a presynaptic neuron with neurotransmitter receptor sites on its membrane c. a postsynaptic neuron that releases the neurotransmitter d. all of the above