The cessation of bleeding is specifically called __________.
A. a vascular spasm
B. homeostasis
C. hemostasis
D. platelet plug formation
E. coagulation
C. hemostasis
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About the time of ovulation, the anterior pituitary gland releases a surge of
A. progesterone. B. LH. C. estrogens. D. androgens.
Muscle fibers generally only have one motor end plate, but motor neurons innervate many different muscle fibers in a group. Choose the statement that correctly explains how this affects muscle contraction.
A. The force of a contraction does not at all depend on the strength of the signal sent via the motor neuron. B. While muscle fibers only have one motor end plate, they can recruit each other to contract once a fiber receives a signal. C. When a motor neuron transmits a signal, only one fiber will contract with strong force. D. A signal traveling through one motor neuron can potentially make multiple fibers in a group contract, generating more force.
A child is affected by strabismus-type "lazy eye", a condition where the muscles of one eye fail to correctly position it and causes a lack of coordination between both eyes. The child's particular strabismus causes one eye to constantly look directly upward. Which extrinsic eye muscle has been weakened in this case?
A. Inferior oblique B. Lateral rectus C. Superior rectus D. Inferior rectus
Explain codominance using the ABO blood groups as an example
What will be an ideal response?