Select the most correct statement concerning skin cancer.
A) Most tumors that arise on the skin are malignant.
B) Squamous cell carcinomas arise from the stratum corneum.
C) Basal cell carcinomas are the least common but most malignant.
D) Melanomas are rare but must be removed quickly to prevent them from metastasizing.
D) Melanomas are rare but must be removed quickly to prevent them from metastasizing.
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The motor cortex on the frontal lobe is not the only brain region involved in motor control
Indicate whether the statement is true or false
Most deep-sea dwelling organisms have evolved L (red) cones as a way to compensate for the diminished penetration of blue wavelength light into the deep sea
Indicate whether the statement is true or false
Which of the following is a function of the hypothalamus?
A) regulates autonomic nervous system functions B) regulates the release of hormones from the posterior pituitary C) regulates body temperature D) regulates food intake (hunger) and water intake (thirst) E) all of the above
The cardiac output is dependent on
A. respiration rate. B. stroke volume. C. heart rate. D. both heart rate and stroke volume.