The intracellular digestive organelle of a cell is the
A. lipochrome.
B. smooth endoplasmic reticulum.
C. lysosome.
D. rough endoplasmic reticulum.
E. microtubule.
C
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Why do asthma sufferers often use inhalers that contain sympathomimetics to ease their symptoms?
A. Sympathomimetics suppress release of norepinephrine and epinephrine. B. The drugs are antagonists that bind to adrenergic receptors in the bronchial tubes without stimulating them. C. The drugs are agonists that stimulate adrenergic receptors in the bronchial tubes. D. The sympathomimetics bind to muscarinic receptors and block them. E. Sympathomimetics enhance the release of acetylcholine from preganglionic and postganglionic neurons.
The problem-oriented approach is one means veterinarians use to arrive at a diagnosis
Indicate whether the statement is true or false
The hormone ADH promotes water reabsorption through the wall(s) of the
A) ascending limb of the nephron loop. B) distal convoluted tubule and collecting duct. C) proximal convoluted tubule and collecting duct. D) descending limb of the nephron loop.
Which of the following hormones secreted by the anterior pituitary is non-tropic?
a. TSH b. PRL c. LH d. ACTH e. FSH