Which of these synovial joints does not have at least one rounded or convex surface?
A. Pivot
B. Ball and socket
C. Condylar
D. Saddle
E. Plane
Answer: E
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In clinical estimates, ________ of total body water is in the ICF and ________ in the ECF
A) one-tenth; nine-tenths B) one-quarter; three-quarters C) one-half; one-half D) two-thirds; one-third E) one-third; two-thirds
To reduce brain swelling by pulling water out of brain cells, a substance can be injected intravenously to increase the osmotic pressure of interstitial fluid. Which of the following properties must this substance lack in order to be effective?
A) permeable to capillary endothelium B) nontoxic to neurons C) permeable to brain plasma membranes D) impermeable to brain plasma membranes E) soluble in water
Atropine is sometimes used to dilate the pupil for an eye examination. Which receptor would atropine block?
A. Nicotinic receptor B. Beta receptor C. Alpha 1 adrenergic receptor D. Alpha 2 adrenergic receptor E. Muscarinic receptor
Platelets are cell fragments formed from:
A) lymphocytes. B) megakaryocytes. C) monoblasts. D) myeloblasts.