The pulmonary arteries carry ________ blood to the ________.
A. oxygenated; left atrium
B. oxygenated; lungs
C. deoxygenated; right atrium
D. deoxygenated; lungs
Answer: D
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The muscle tissue without striations is ________ muscle.
A) skeletal B) smooth C) cardiac D) voluntary E) multinucleated
What type of capillaries have large gaps, allow a free exchange of water and solutes, and are found in the liver, bone marrow, and spleen?
a. intercalated b. continuous c. sinusoidal d. fenestrated
Which of the following is a target tissue for parathyroid hormone?
A. thyroid B. blood C. pancreas D. small intestine E. stomach
What is an action potential?
A. The flow of electricity along an axon of a neuron in one direction B. The flow of electricity along an axon of a neuron in multiple directions C. The flow of electricity begun by stimulating the axon of a neuron D. The flow of electricity along a dendrite of a neuron in one direction