The ________ is the dorsal diencephalon, containing the choroid plexus and the pineal gland.
A. third ventricle
B. thalamus
C. hypothalamus
D. epithalamus
Answer: D
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Neurons can send messages to
A) only other neurons. B) other neurons and skeletal muscle only. C) only other neurons and neuroglia. D) other neurons, glands, and muscles.
You are a pediatrician. You have a young patient who does not seem to be growing. You suspect that there might be stress in the home. You decide to perform a blood test for cortisol and expect to find
A. high plasma cortisol levels have led to overall state of catabolism. B. high plasma cortisol levels have led to an increased skeletal muscle metabolic rate, there are no nutrients left for growth. C. high plasma cortisol levels have led to a decrease in blood calcium levels. D. high plasma cortisol levels have led to a decrease in available fuel in the bloodstream. E. None of these answers are correct.
A gene typically has many alleles because
A) a protein sequence can vary in many ways. B) humans have many traits. C) a chromosome has many genes. D) a DNA sequence can vary in many ways.
All four heart valves are closed during this time.
A. All of ventricular systole B. All of ventricular diastole C. Ventricular ejection D. Isovolumetric contraction