If a neuron is prevented from sending a neurotransmitter across a synapse to another cell, which neuron property is being inhibited?
A. Excitability
B. Secretion
C. Conductivity
D. Permeability
Answer: B
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What are the first blood vessels to branch from the aorta as it leaves the heart?
A. Pulmonary veins B. Coronary veins C. Coronary arteries D. Pulmonary arteries
The ________ and ________ are part of the respiratory system
A) bronchi, thymus B) testes, ovaries C) lungs, esophagus D) alveoli, trachea
The round window
A. reflects sound waves. B. vibrates the basilar membrane. C. allows for compression of the organ of Corti. D. acts as a mechanical release for waves within the cochlea. E. increases the pressure of the perilymph.
A sample of a woman's blood is analyzed for reproductive hormone levels. The results indicate a high level of progesterone, relatively high levels of inhibin, and low levels of FSH and LH. The female is most likely experiencing ________ of the uterine cycle
A) the proliferative phase B) the menstrual phase C) the secretory phase D) menarche E) menopause