A cat presents to a clinic with difficulty breathing, lethargy, and cyanosis. The veterinarian auscultated the thoracic cavity and politely asked to have a radiograph taken of the thorax. Dx: pleural effusion. A thoracocentesis was performed and 300 cc of fluid was aspirated. Rx: Bronchodilator BID. A bronchodilator is a drug that:
A) widens the trachea
B) narrows the upper airways
C) widens the bronchi
D) narrows the trachea
E) A and C
C
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Oxytocin
A. stimulates ejection of milk from the breasts. B. secretion is regulated by a negative feedback loop. C. is produced and secreted by cells in the supraoptic nucleus of the hypothalamus. D. is produced only in females. E. All of the choices are correct.
Jennifer undergoes a pelvic scan to determine if she sustained any fractures as a result of a car accident. To her surprise, the technician does not find any fractures. He does note, however, that Jennifer's acetabulae are markedly shallow bilaterally. What might the technician conclude about Jennifer's pelvic bone structure, as a result of this finding?
What will be an ideal response?
The force generated by a single muscle fiber can be increased by
A) increasing the asynchrony of recruitment only. B) increasing muscle length beyond optimal only. C) increasing frequency of action potentials and increasing muscle length beyond optimal only. D) increasing frequency of action potentials only.
True or False? The organs of the lymphatic system include lymph nodes, the spleen, and the thyroid gland.
Answer the following statement true (T) or false (F)