What is a triad?
A. After exercise, the O2 taken in that exceeds the O2 required for resting metabolism
B. A T tubule and two adjacent terminal cisternae
C. The combination of myosin heads with active sites on actin molecules
D. A protein found along the groove of the F-actin double helix
E. The movement of myosin head while attached to actin myofilament
Answer: B
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Connective tissue of the skin is developed from ________.
A. melanocytes B. fibroblasts C. collagen D. fascia
After urine is formed, it drains into a central collecting cavity, the renal pelvis, located at the medial inner core of each kidney
a. True b. False Indicate whether the statement is true or false
The framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of ________ tissue
A) areolar connective B) regular dense connective C) irregular dense connective D) reticular connective E) adipose
The chemical curare is a nicotinic receptor antagonist. How will curare affect skeletal muscle function?
A. It activates an autoimmune disease that destroys myelin. B. It will cause spastic paralysis (sustained, unwanted muscle contraction). C. It will cause persistent twitches with short periods of rest in between. D. It will cause flaccid paralysis (no muscle contraction possible). E. Muscle function is fine, but it will cause a loss of voluntary control.