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Question
_________ are secreted by one cell into the tissue fluid, diffuse to nearby cells in the same tissue, and stimulate their physiology.
A. Neurotransmitters
B. Neuromodulators
C. Hormones
D. Parahormones
E. Paracrines
Answer
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Related questions
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A. cervical and thoracic
B. thoracic and lumbar
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D. sacral, lumbar and coccygeal
E. cervical, thoracic, lumbar, sacral, and coccygeal
Q:
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A. anger
B. digestion
C. exercise
D. stress
E. arousal
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Which of the following statements is true regarding parasympathetic tone?
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B. It accelerates the resting heart rate above its intrinsic rate.
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B. Oculomotor - III
C. Facial - VII
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B. Beta
C. Delta
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A. Dural sinus
B. Lateral ventricle
C. Central canal
D. Subarachnoid space
Q:
The pyramidal cells of the precentral gyrus are called __________ neurons.
A. stellate
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Which of the following is correct regarding the occipital lobe?
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B. It is the principal visual center of the brain.
C. It is the primary site for receiving and interpreting signals from the general senses.
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Q:
Planning, motivation, and social judgment are functions of the brain associated with which part of the cerebrum?
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B. Tegmentum in the midbrain
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D. Reticular formation
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The __________ function(s) in visual attention, such as to look and follow the flight of a butterfly.
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Which of the following is not a function of CSF?
A. To regulate the chemical environment of the nervous tissue
B. To rinse metabolic wastes from the nervous tissue
C. To provide oxygen and nutrients to the nervous tissue
D. To protect the brain from striking the cranium when the head is jolted
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Q:
From superficial to deep, the meninges occur in which order?
A. Dura mater, pia mater, arachnoid
B. Dura mater, arachnoid, pia mater
C. Pia mater, dura mater, arachnoid
D. Pia mater, arachnoid, dura mater
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Q:
Which of the following structures appears as a large bulge just rostral to the medulla?
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A. High altitude
B. Air pollution other than by carbon monoxide
C. Renal disease
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B. A diet predominantly based on red meat
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A normal hematocrit is __________ of the total blood volume.
A. less than 1%
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A. arachidonic acid
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A. adrenal glands; intestines
B. liver; kidneys
C. blood; kidneys
D. liver; spleen
E. spleen; kidneys
Q:
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A. Negative feedback inhibition
B. The antagonistic effect
C. Up-regulation
D. Enzyme amplification
E. Down-regulation
Q:
Which of the following is the last step in the sequence of events happening when cyclic AMP acts as a second messenger?
A. G protein activates adenylate cyclase
B. cAMP activates protein kinases
C. Adenylate cyclase produces cAMP
D. G protein is activated by the binding of a hormone to the receptor
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Q:
T4 and T3 are __________ hormones that are mainly transported __________ in the blood.
A. monoamine; bound to thyroxine-binding globulin (TBG)
B. monoamine; unbound (free)
C. steroid; bound to transcortin-binding protein (TBP)
D. steroid; unbound (free)
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B. Pancreatic polypeptide
C. Gastrin
D. Somatostatin (growth hormone-inhibiting hormone)
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C. insulin; lowers
D. insulin; raises
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Q:
. The __________ secrete(s) __________, which promotes Na+ and water retention.
A. adrenal medulla; epinephrine
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C. kidneys; corticosterone
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