Which of these is NOT a characteristic of cardiac muscle?
A) striated
B) branching fibers
C) intercalated disks present
D) under involuntary (unconscious) control
E) many nuclei per cell
Ans: E) many nuclei per cell
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Julia is a new mother who plans to continue lactation for at least a year after her baby is born. At a post-parturition doctor's visit, the doctor says her blood test indicates declining levels of estrogen and progesterone. Will this interfere with her plans to lactate?
A. Yes, high levels of estrogen and progesterone are required for milk production. B. No, because the secretion of oxytocin and prolactin are more important for lactation. C. No, because even in the absence of hormones, suckling at the breast is sufficient stimulus for milk production. D. Yes, high levels of estrogen and progesterone are required for milk ejection.
Which of the following structures include the fibular and tibial collateral ligaments of the knee joint?
a) Synovial membranes b) Articular fat pads c) Menisci d) Extracapsular ligaments e) Tendon sheath
. The test that measures the amount of each type of leukocyte in the blood is a __________ count
Fill in the blank with correct word.
Lamellar bone
A. is very light in weight. B. has a porous appearance. C. has its collagen fibers randomly oriented. D. is organized into thin sheets of tissue. E. is not easily restructured.