Scurvy is caused by a vitamin C deficiency that prevents the proper development of desmosomes; hence, tissue cells do not hold together

Indicate whether the statement is true or false


F

Anatomy & Physiology

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Typically, there are ________ papillary muscles that project from the wall of the left ventricle and attach to the chordae tendineae that support the left AV valve.

A. six B. two C. a highly variable number of D. three E. no

Anatomy & Physiology

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia, as well as preganglionic axons from the vagus nerve?

A.   Esophageal plexus B.   Pulmonary plexus C.   Abdominal aortic plexus D.   Hypogastric plexus E.   Cardiac plexus

Anatomy & Physiology

What class of drugs selectively blocks the reuptake of serotonin into presynaptic axon terminals?

a. phosphodiesterase-type 5 (PDE-5) inhibitors b. selective serotonin reuptake stimulators (SSRSs) c. phosphodiesterase-type 5 (PDE-5) stimulators d. selective serotonin reuptake inhibitors (SSRIs) e. phosphodiesterase-type 2 (PDE-2) inhibitors

Anatomy & Physiology

Where does implantation of the fertilized ova typically occur in the pig reproductive tract?

A) uterine horn B) uterine body C) ovary D) vagina

Anatomy & Physiology