Answer the following statements true (T) or false (F)
1. Acetylcholine is the neurotransmitter released in the neuromuscular junction.
2. The midbrain is an enlarged upward extension of the spinal cord just inside the cranial cavity.
3. The hypothalamus releases chemicals that stimulate the release of hormones by the posterior pituitary gland.
4. Islands of gray matter in the white matter of the cerebrum are called basal ganglia.
5. The dura mater, pia mater, and arachnoid are layers of the meninges.
1. TRUE
2. FALSE
3. FALSE
4. TRUE
5. TRUE
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The size principle:
A. refers to the fact that large ? motor neurons are recruited before small ones B. refers to the fact that large and small ? motor neurons are recruited simultaneously C. predicts that ? and ? motor neurons are activated simultaneously during a movement D. predicts that ? motor neurons are activated before ? motor neurons during a movement E. is a consequence of small motor neurons being more excitable than large motor neurons
Which protein is the main protein buffer in blood plasma?
a) Albumin b) Hemoglobin c) Complement d) Fibrin e) Calmodulin
During the proliferative phase of the uterine cycle,
A) the corpus luteum is forming. B) the functional zone of the endometrium is restored. C) the fertilized ovum implants. D) the uterine glands enlarge. E) menses occurs.
________ is an increased rate of red blood cell destruction.
A. Leukopenia B. Pernicious anemia C. Aplastic anemia D. Hemolytic anemia