Select all that are true when a muscle fiber is at rest.A) There is a charge difference across the sarcolemma.B) Sodium-potassium pumps are active.C) Calcium is stored in the sarcoplasm.D) ACh receptors are open.
What will be an ideal response?
A, B
Anatomy & Physiology
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Which of the following occurs first in hemostasis?
A. Activation of the fibrinolytic system B. Conversion of prothrombin to thrombin C. Conversion of plasminogen to plasmin D. Platelet aggregation E. A clotting cascade that leads to the conversion of fibrinogen to stable fibrin
Anatomy & Physiology
Receptors for pain called __________ respond to tissue damage.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
As the major arteries branch into medium-size vessels approaching the organs, the vessel wall becomes relatively less __________ and more __________
Fill in the blank(s) with correct word
Anatomy & Physiology
The peripheral nervous system includes the
A) somatic nervous system. B) brain. C) spinal cord. D) nuclei. E) all of the above.
Anatomy & Physiology