Which statement is incorrect?
A. Endocrine glands lack ducts.
B. Hormones may have widespread, distant effects on the body.
C. Steroid hormones are carried in the blood by transport proteins.
D. A common second-messenger is cyclic AMP.
E. The effect of hormones is shorter than the effect of nerve impulses.
Answer: E
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Which of the following is FALSE regarding single-unit smooth muscle cells?
A. They have many gap junctions between cells. B. They may have pacemaker activity. C. They have an individual neuron innervating each individual smooth-muscle cell. D. They exhibit tone. E. They may respond to stretch by contracting.
How do the following relate to nervous system development and/or healing? Synaptic plasticity, neuroglia, neurotrophic factors.
What will be an ideal response?
Cell adhesion molecules that protrude from the inner endothelial lining and causes leukocytes to marginate are called ________
Fill in the blank(s) with correct word
The glenoid cavity of the ________ articulates with the head of the ________.
A. scapula; humerus B. humerus; scapula C. scapula; sternum D. sternum; humerus E. radius; humerus