If a person stands up suddenly from the prone (lying) position they may feel a sudden dizzy or lightheadedness. Which of the following is the least likely physiological response to this situation?
A) increased sympathetic output to the heart
B) faster heart rate and greater heart contractility
C) increased parasympathetic nerve impulses to the heart
D) increasing peripheral resistance due to vasoconstriction
C
Anatomy & Physiology
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Indicate whether this statement is true or false.
Anatomy & Physiology
Discuss the relationship between hyperthyroidism and Graves' disease
What will be an ideal response?
Anatomy & Physiology
With a specimen in the anatomic position, you can best see the mediastinum with a(n) ________ view.
A. inferior B. superior C. frontal D. posterior E. midsagittal
Anatomy & Physiology
What neurotransmitter is used by neurons with cell bodies in the raphe nuclei along the midline of the brainstem?
A. Glycine B. Dopamine C. Serotonin D. GABA
Anatomy & Physiology