Where in the male reproductive system would you expect to find the most mature sperm?
A) in the seminiferous tubules
B) in the head of the epididymis
C) near the tail of the epididymis
D) in the seminal gland
E) in the prostate gland
C
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Which of the following is most likely to result from an aneurysm in a brain artery?
A) hypotension B) quadriplegia C) stroke D) myocardial infarction E) pulmonary embolism
Migraine results from
A. a neurotransmitter deficiency. B. release of calcitonin gene-related peptide from the trigeminal nerves at the base of the brain, in response to a spreading wave of excitation followed by lack of response from the cortex. C. release of an abnormal form of beta endorphin from the trigeminal nerves at the base of the brain, in response to cortical stimulation. D. not eating enough chocolate, which causes a spreading effect in the cortex.
The link between adjacent arteries or veins that reduces the impact of a temporary or permanent occlusion of a single blood vessel is __________.
a. a venule b. an arteriole c. a cardiovascular bridge d. an anastomosis
What hormone is produced by adipocytes to regulate satiety, a feeling of fullness after eating?
A) erythropoietin (EPO) B) atrial natriuretic peptide (ANP) C) calcitriol D) leptin