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Question
Which of these is a cation? Check all that apply.
_____ O2
__X__ K+
__X__ Na+
__X__ Ca2+
_____ Cl-
Gradable: automatic
Answer
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Related questions
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The sympathetic chain of ganglia is found at the __________ levels of the spinal cord.
A. cervical and thoracic
B. thoracic and lumbar
C. thoracic, lumbar and sacral
D. sacral, lumbar and coccygeal
E. cervical, thoracic, lumbar, sacral, and coccygeal
Q:
Sympathetic nerve fibers are not associated with situations involving __________.
A. anger
B. digestion
C. exercise
D. stress
E. arousal
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Which of the following statements is true regarding parasympathetic tone?
A. It holds the resting heart rate below its intrinsic rate.
B. It accelerates the resting heart rate above its intrinsic rate.
C. It might increase or decrease heart rate depending on the situation.
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Which of the following cranial nerves is mispaired?
A. Abducens - V
B. Oculomotor - III
C. Facial - VII
D. Accessory - XI
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Exhausted from studying all night, you briefly close your eyes and your mind starts to wander. Which brain waves would be most predominant in an EEG?
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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
B. third-order
C. first-order
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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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E. It is likely to play a role in understanding spoken language.
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
C. Cerebellum
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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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
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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:
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B. Diencephalon
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B. A diet predominantly based on red meat
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A. adrenal glands; intestines
B. liver; kidneys
C. blood; kidneys
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B. cAMP activates protein kinases
C. Adenylate cyclase produces cAMP
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