Which of the following does not stimulate insulin secretion?
a. Elevated blood amino acid concentration
b. Gastrointestinal hormones
c. A fast-food hamburger
d. Starvation
e. Elevated blood glucose concentration
D
You might also like to view...
Which type of hormone requires a carrier protein in the blood?
A. Autocrine hormone B. Water-soluble hormone C. Oligopeptide D. Lipid-soluble hormone
The enzyme carbonic anhydrase causes
A) carbon dioxide to react with water. B) water to react with hydrogen ions. C) water to react with bicarbonate ions.
Choose the correct statement regarding semen.
A) Semen contains glandular secretions with a distinct ionic and nutrient composition. B) Seminal fluid contains a prostatic enzyme, which functions in liquefying clotted semen. C) Of the total volume of seminal fluid, the prostate contributes about 60 percent. D) Seminal fluid contains an abundant amount of a waxy material called smegma. E) A normal sperm count ranges from 5 million to 15 million spermatozoa per milliliter of semen.
Answer the following statement(s) true (T) or false (F)
1. The autonomic effect on a target cell depends only on the neurotransmitter reaching that target cell. 2. Acetylcholine binds to both muscarinic and nicotinic receptors. 3. Acetylcholine always has an excitatory effect. 4. Binding of norepinephrine (NE) to an alpha-adrenergic receptor is usually excitatory, and binding to a beta-adrenergic receptor is usually inhibitory.