Which connective tissue cells produce antibodies?
A. Plasma cells
B. Mast cells
C. Fibroblasts
D. Fixed macrophages
E. Mesenchymal cells
Answer: A
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A chemical synapse ALWAYS includes ________.
1. axon terminal 2. presynaptic cell 3. synaptic cleft 4. postsynaptic cell 5. dendrite A) 2, 3, 4 B) 2, 3, 4, 5 C) 1, 3, 4 D) 1, 2, 3, 4 E) 1, 2, 3, 4, 5
An average human ejaculate contains about ____ sperm
a. 20-30 million b. 100-120 million c. 100-120 thousand d. 150-200 million e. 300-400 million
These figures show the intrinsic muscles of the right foot. What muscle or group does number 1 indicate?
A. Abductor hallucis B. Interossei C. Abductor digiti minimi D. Lumbricals E. Flexor digitorum brevis
Basal nuclei are interconnected areas of neurons involved in which one of the following functions?
a. Executing movement output to muscles b. Main memory storage area c. Control of emotions d. Motor function control