What does the acronym AIDS stand for?
A) auto immune disease syndrome
B) adult infectious disease syndrome
C) acquired immune deficiency syndrome
D) Red Cross aid programs for patients in Africa
C
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The parasympathetic branch of the autonomic nervous system
A. is responsible for mobilizing energy sources for use in a crisis. B. activates the endocrine system. C. is in control when one is frightened or angry. D. aids in digestion and promoting growth.
Which of the following statements regarding the pineal gland or its hormone is NOT true?
A) The pineal gland is found in the hypothalamus region of the brain. B) The pineal gland secretes melatonin. C) Melatonin regulates the body's circadian rhythm. D) The body's circadian rhythm is its 24-hour clock.
Which of the following describes the basic scheme of the clock genes present in neurons of the suprachiasmatic nucleus of the hypothalamus? Choose the correct option
A) An increased expression of immediate early genes plays a role in satisfying the higher metabolic demands of the awakened brain. B) Some of the genes from mitochondria are related to changes in synaptic strength and affect the expression of other genes. C) Clock genes perpetrate a cyclic negative feedback loop in which the clock gene expresses a protein whose presence decreases gene expression in a pattern consistent with circadian rhythms. D) The genes from mitochondria may be associated with the absence of learning and memory formation.
The most discernible difference between a cervical dislocation and a cervical fracture is the:
A. Extent of muscle weakness B. Position of the neck C. Severity of pain D. Intensity of numbness