In a female cat, the vagina and the urethra empty into the ________
A) uterine horn
B) penis
C) urinary bladder
D) urogenital sinus
D
Explanation:
A) The uterus of the cat is Y-shaped (bicornate) and consists of two large uterine horns joining a single uterine body.
B) The urethra passes into the penis in a male cat. Males do not have a vagina.
C) The urinary bladder stores urine. Upon urination, urine passes through the urethra into the urogenital sinus.
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Precapillary sphincters will
A. open when the tissue needs nutrients. B. control blood flow into the true capillaries. C. close when the tissue's needs have been met. D. cause blood to flow directly from the metarteriole into the postcapillary venule. E. All of these answers are correct.
Which of the following is true of spongy bone?
A. Lamellae are arranged in concentric circles in osteons. B. Nourishment is supplied through a central canal. C. Bone is arranged in plates called trabeculae. D. Arrangement of the bony plates is completely random. E. The spaces are filled with yellow marrow.
Match the type of receptor with the appropriate description.
1. The most studied examples of this type are phasic receptors called Pacinian corpuscles. 2. These receptors slowly adapt, and would be activated when the skin is between 20-40° C. 3. These receptors respond to stimuli that are harmful or potentially harmful to body tissues and lead to the perception of pain. 4. These are probably the oldest sensory receptors as evidenced by their existence in primitive animals that do not have formalized nervous systems. A. chemoreceptors B. touch receptors C. thermoreceptors D. nociceptors
What type of memory is involved in learning the material in Human Physiology about memory?
What will be an ideal response?