Dan has been lost in the desert for two days with very little water. As a result, you would expect to observe
A) normal urine production.
B) decreased blood osmolarity.
C) elevated ADH levels.
D) cells enlarged with fluid.
E) increased blood volume.
C) elevated ADH levels.
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Indicate whether the statement is true or false
Which of the following is a characteristic of the autonomic nervous system?
A) controls smooth and cardiac muscles B) uses acetylcholine exclusively C) voluntary control usually D) only one nerve fiber from the CNS to effector
What type of epithelium is often found in glands and kidney tubules?
A. Stratified squamous B. Simple squamous C. Pseudostratified columnar D. Simple cuboidal
Each hemoglobin molecule can transport up to ________ oxygen molecules
A) 2 B) 6 C) 5 D) 3 E) 4