There are ________ prevertebral ganglia.
A. 5
B. 3
C. 2
D. 12
E. 4
Answer: B
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The type of synapse that allows the most direct communication between cells, and therefore the fastest communication, is the ________ synapse.
Fill in the blank(s) with the appropriate word(s).
During a cardiovascular examination, a patient has a resting heart rate of 65 beats/min and a blood pressure of 100/70 mm Hg in the supine position
In the upright position at steady state, the patient's heart rate is 74 beats/min and blood pressure is 105/70 mm Hg. One physiological change that occurred in the patient as a result of assuming an upright position is: A. diminished arteriolar resistance B. increased venous capacitance C. increased capillary filtration D. increased cardiac vagal tone E. increased cardiac sympathetic tone
Answer the following statement(s) true (T) or false (F)
1. the sodium-potassium pump is involved in establishing the resting membrane potential. 2. the nerve impulse is an electrical current that travels along dendrites or axons. 3. the sodium-potassium pump is involved in establishing the RMP 4. The voltage-gated potassium channels close before the membrane potential is brought back to its resting level. 5. receptors that bind the neurotransmitter at the postsynaptic cell membrane are voltage-gated.
This cross section of skin shows general cutaneous receptors. What kind of receptor does number 5 indicate?
A. Free nerve ending B. Root hair plexus C. Lamellated corpuscle D. Krause bulb E. Tactile disc