Unformatted text preview: Epinephrin
44. Pancreas A
45. Which of the following statements on hormones is INCORRECT?
A. Steroid hormones are lipid soluble and membrane permeable.
B. Autocrine hormones affect the same cell that secretes them.
C. Some hormones can be produced by neurons.
D. Hormones are produced by endocrine cells.
E. All the statements are correct.
46. How does troponin control muscle contraction?
A. Changes in its position expose actin-myosin binding sites.
B. Changes its shape by binding calcium.
C. It releases calcium from the sarcoplasmic reticulum.
D. It provides a bridge between actin and myosin.
E. It provides a site where ATP can be utilized. MCDB 1B Midterm Green (2) Version: 2 Page: 6 47. Which of the following statements is FALSE?
A. Glycine receptors are chloride gated ion channels.
B. Inhibitory neurons cause hyperpolarization of membranes.
C. Acetylcholine -gated ion channels are sodium ion channels.
D. Neuromuscular junctions can be both excitatory or inhibitory.
E. My head hurts, I can't think any more, they are all true!
48. Did you bubble in your perm number and what color did you write underneath it? A. YES!; Pink
B. YES, ; Green
End of Exam. Please return your test and scantron to your TA.
If you don't have a TA, return your exam to Dr. Bush near the podium MCDB 1B Midterm Green (2) Version: 2 Page: 7...
View Full Document
This test prep was uploaded on 02/13/2014 for the course MCDB 1B taught by Professor Weimbs during the Winter '08 term at UCSB.
- Winter '08