Identify the characteristic(s) shared by all types of muscle tissues?
a. They are neurogenic.
b. They have T tubules.
c. They have tropomyosin.
d. They attach to tendons.
e. They have neuromuscular junctions.
C
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Match the phase of mitosis with an event in that phase.
a. interphase b. prophase c. metaphase d. anaphase e. telophase 1. _____ Chromosomes align in the center of the cell 2. _____ DNA replicates 3. _____ Nuclear envelope reforms around the chromosomes 4. _____ Chromatin condenses into chromosomes 5. _____ Chromosomes are pulled away from the center of the cell
An infection may occur in a tissue injury. Why?
a. The skin and mucous membranes are body's first line of defense, and are mostly impenetrable to microorganisms unless broken. b. The increased availability of nutrients allows microorganisms to replicate. c. Once microorganisms gain entry to the body through a wound, they will always cause an infection. d. The increased availability of nutrients allows microorganisms to replicate. The skin and mucous membranes are body's first line of defense and are mostly impenetrable to microorganisms, unless broken or damaged by tissue injury.
Choose the pairing that has the least related items:
a. Haldane, Hb affinity for carbon dioxide b. VRG, inspiration and expiration c. Apneustic area, inspiration d. Pneumotaxic area, expiration e. Hering-Breuer, Hb affinity for oxygen
The functional and structural unit of the kidneys is the ________
A) nephron B) glomerular capsule C) nephron loop D) capsular space