Which of the following would not lead to polycythemia?
A. Excessive aerobic exercise
B. Iron deficiency
C. Dehydration
D. Emphysema
E. Cancer of the erythropoietic line of the red bone marrow
Answer: B
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Answer the following statements true (T) or false (F)
1. Arteriosclerosis is sometimes called hardening of the arteries. 2. Fatty deposits that build up in the blood vessels can develop into a condition called atherosclerosis. 3. A cataract is caused by pressure building up inside the eyeball. 4. The clouding of the lens of the eye is called a cataract. 5. Glasses can successfully treat glaucoma.
In which direction do fluids and solutes move in each of the three kidney processes?
A) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the peritubular fluid into the tubular fluid. B) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space. C) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the tubular fluid into the peritubular fluid. D) During filtration, fluids move from the tubular fluid into the peritubular fluid; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space. E) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the glomerular capillaries into the capsular space; during secretion, fluids move from the tubular fluid into the peritubular fluid.
Label component "A" on the reflex arc
A. sensory receptor B. effector organ C. sensory neuron D. motor neuron E. interneuron
The outermost layer of the digestive tract, which is composed of a thin layer of areolar tissue and simple squamous epithelium, is called the ________
A) lumen B) muscularis externa C) serosa (mesentery) D) submucosa E) mucosa (mucous membrane)