The phase in the cardiac cycle when the mitral valve is closed and the aortic valve is open is the
A) atrial systole.
B) early diastolic filling phase.
C) late diastolic filling phase.
D) systolic ejection phase.
E) dicrotic phase.
D
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Breathing is regulated mainly by response to the level of _____ detected in the blood.
Fill in the blank(s) with the appropriate word(s).
The buccopharyngeal fascia is a superior extension of which cervical fascia?
A. Vertebral fascia B. Deep investing fascia C. Carotid sheath D. Visceral fascia
Define spinal reflex
A) A spinal reflex is a slow, calculated response of the spinal cord following exposure to a single specific stimulus. B) A spinal reflex is a slow, calculated response of the spinal cord following repeated exposure to specific stimuli. C) A spinal reflex is a slow, calculated action involving input from the brain triggered by specific stimuli. D) A spinal reflex is an automatic response to a stimulus that is controlled in the spinal cord and can function without input from the brain. E) A spinal reflex is when sensory inputs are sent quickly by the spinal cord to the brain for analysis before any response occurs.
Growth hormone directly influences both IGF-I and IGF-II production
a. True b. False Indicate whether the statement is true or false