What hormone is made by the parafollicular cells of the thyroid gland?
A) thyroxine (T4 ) B) calcitonin
C) triiodothyronine (T3 ) D) parathyroid hormone (PTH)
Answer: B
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Which of the following correctly lists the order of structures through which urine flows
after its formation in the nephron? A) calyx, renal pelvis, ureter, urinary bladder, urethra B) renal pelvis, calyx, urinary bladder, ureter, urethra C) calyx, renal pelvis, urethra, ureter, urinary bladder D) renal pelvis, calyx, ureter, urinary bladder, urethra
In response to high blood pressure, stretch receptors called __________ in the walls of arteries carrying blood to the head will trigger a reflex that causes the heart to __________ its beats per minute.
A. baroreceptors; decrease B. proprioceptors; decrease C. baroreceptors; increase D. proprioceptors; increase E. chemoreceptors; increase
How could you best improve the contrast of this specimen?
What will be an ideal response?
Unlike cartilage, bone
A) is a connective tissue. B) has a matrix that contains collagen. C) is highly vascular. D) has an outer covering. E) has cells within lacunae.