Sensory information is processed and relayed to the cerebrum by the
A) medulla oblongata.
B) pons.
C) midbrain.
D) thalamus.
E) cerebellum.
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Question 2) The cerebellum and pons develop from the
A) telencephalon.
B) diencephalon.
C) mesencephalon.
D) metencephalon.
E) myelencephalon.
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Question 3) Autonomic centers that control blood pressure, heart rate, and digestion are located in the
A) medulla oblongata.
B) pons.
C) midbrain.
D) diencephalon.
E) cerebellum.
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Question 4) The tracts that connect the cerebellum to the brain stem are located in the
A) medulla oblongata.
B) pons.
C) mesencephalon.
D) diencephalon.
E) thalamus.
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Question 5) The ________ principle states that the size and speed of the action potential are independent of the stimulus strength.
A) threshold
B) all-or-none
C) summation
D) polarization
E) potential
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Question 6) Damage to the pectoralis major would interfere with a person's ability to
A) extend the forearm.
B) abduct the humerus.
C) flexion of the humerus.
D) elevate the scapula.
E) rotate the elbow.
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Question 7) Tom, a trumpet player, asks you which muscles he should develop in order to be a better trumpeter. What would you tell him?
A) the masseter and buccinator
B) the buccinator and orbicularis oris
C) the orbicularis oris and risorius
D) the risorius and zygomaticus
E) the levator labii and mentalis
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Question 8) Pam's daughter is born cross-eyed. As she grows, the problem does not become any better. Her physician suggests cutting an eye muscle to bring the eyes into a more normal position. Which muscle will he cut?
A) inferior rectus
B) lateral rectus
C) medial rectus
D) superior rectus
E) superior oblique
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Question 9) Which of the following muscles functions to expel urine or semen in males?
A) bulbospongiosus
B) superficial transverse perineus
C) coccygeus
D) levator ani
E) anconeus
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Question 10) Each of the following muscles is involved in the process of chewing or manipulating food in the mouth except the
A) masseter.
B) temporalis.
C) pterygoid.
D) omohyoid.
E) genioglossus.
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