Which muscle is innervated by the tibial nerve?
A) Vastus lateralis
B) Tibialis anterior
C) Extensor digitorum longus
D) Fibularis longus
E) Semimembranosus
E
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Which muscle acts to close the eye in an exaggerated blink?
A) nasalis muscle B) corrugators supercilii C) levator palpebrae superioris D) orbicularis oculi
Define reinforcement as it pertains to spinal reflexes
A) Reinforcement is an enhancement of a spinal reflex through the facilitation of motor neurons involved in reflexes. B) Reinforcement is a reduction of a spinal reflex through the inhibition of motor neurons involved in reflexes. C) Reinforcement is the cooperation of many muscle groups to enable reflexes to occur without losing postural tone. D) Reinforcement is the repetition of a spinal reflex in order to condition the motor neurons to the reflex. E) Reinforcement involves processing events in the nuclei of the brain to enhance the reflex.
Involuntary muscle tissues are
A) smooth muscle tissue and cardiac muscle tissue. B) smooth muscle tissue, skeletal muscle tissue, and cardiac muscle tissue. C) smooth muscle tissue and skeletal muscle tissue. D) cardiac muscle tissue and skeletal muscle tissue.
A Caucasian patient with pale skin is treated for low blood pressure with medication that elevates the blood pressure; however, the skin's pallor does not change. Which of the following is the most likely cause of the pallor in this patient?
A. Respiratory disease that results in the blood being poorly oxygenated B. The presence of hematomas in the skin C. Hypertension caused by excessive use of the medication D. Anemia